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HSP
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CALIF
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A Grade 2
PRACTICE Workbook
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UNIT 1: NUMBERS AND OPERATIONS
Chapter 1: Addition Facts and
Strategies
1.1 Understand Addition ................. PW1
1.2 Count On ................................. PW2
1.3 Doubles and Doubles Plus One .. PW3
1.4 Make a Ten .............................. PW4
1.5 Algebra: Practice the Facts ........ PW5
1.6 Algebra: Follow the Rule ............ PW6
1.7 Algebra: Add Three Numbers ..... PW7
1.8 Problem Solving WorkshopStrategy: Draw a Picture ........... PW8
Chapter 2: Subtraction Facts and
Strategies
2.1 Understand Subtraction ............ PW9
2.2 Count Back ............................ PW10
2.3 Algebra: Fact Families ............. PW11
2.4 Algebra: Think Addition to Subtract ................................ PW12
2.5 Algebra: Missing Addends ....... PW13
2.6 Problem Solving WorkshopSkill: Choose the Operation ..... PW14
Chapter 3: Place Value to 100
3.1 Tens ...................................... PW15
3.2 Tens and Ones ....................... PW16
3.3 Understand Place Value .......... PW17
3.4 Expanded Form ..................... PW18
3.5 Read and Write Numbers to 100 ................................... PW19
3.6 Different Ways to Show Numbers ............................... PW20
3.7 Problem Solving WorkshopSkill: Make Reasonable Estimates .............................. PW21
Chapter 4: Number Concepts and
Patterns
4.1 Algebra: Compare Numbers: >, <, or = ............................... PW22
4.2 Algebra: Order Numbers ......... PW23
4.3 Even and Odd Numbers .......... PW24
4.4 Algebra: Patterns on a Hundred Chart ....................... PW25
4.5 Algebra: Skip-Count on a Number Line .......................... PW26
4.6 Problem Solving WorkshopStrategy: Find a Pattern .......... PW27
4.7 Algebra: Number Patterns ....... PW28
UNIT 2: 2-DIGIT ADDITION AND SUBTRACTION
Chapter 5: Explore 2-Digit Addition
5.1 Mental Math: Add On Multiples of Ten ...................... PW29
5.2 Regrouping for Addition........... PW30
5.3 Model 2-Digit Addition ............. PW31
5.4 Problem Solving WorkshopStrategy: Make a Model .......... PW32
5.5 Model and Record 2-Digit Addition ................................. PW33
5.6 2-Digit Addition ....................... PW34
Chapter 6: 2-Digit Addition
6.1 Add 2-Digit Numbers ............... PW356.2 Practice 2-Digit Addition .......... PW36
6.3 Rewrite 2-Digit Addition ........... PW37
6.4 Estimate Sums ....................... PW38
6.5 More 2-Digit Addition ............... PW39
6.6 Problem Solving WorkshopSkill: Use a Table .................... PW40
6.7 Algebra: Break Apart Numbers to Add ..................... PW41
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Chapter 7: Explore 2-Digit Subtraction
7.1 Mental Math: Subtract Multiples of 10 ....................... PW42
7.2 Regrouping for Subtraction ...... PW43
7.3 Model 2-Digit Subtraction ........ PW44
7.4 Problem Solving WorkshopStrategy: Make a Model .......... PW45
7.5 Model and Record 2-Digit Subtraction ............................ PW46
7.6 Subtract 2-Digit Numbers ........ PW47
Chapter 8: 2-Digit Subtraction
8.1 2-Digit Subtraction .................. PW48
8.2 Practice 2-Digit Subtraction ..... PW49
8.3 Rewrite 2-Digit Subtraction ...... PW50
8.4 More 2-Digit Subtraction .......... PW51
8.5 Use Addition to Check Subtraction ............................ PW52
8.6 Estimate Differences .............. PW53
8.7 Problem Solving WorkshopSkill: Use a Table .................... PW54
8.8 Mental Math: Find Differences . PW55
8.9 Mixed Practice ....................... PW56
UNIT 3: DATA, GRAPHS, AND MONEY
Chapter 9: Data and Graphs
9.1 Picture Graphs ....................... PW57
9.2 Take a Survey on a Tally Chart .. PW58
9.3 Read a Bar Graph .................. PW59
9.4 Make a Bar Graph .................. PW60
9.5 Problem Solving WorkshopStrategy: Make a Bar Graph .... PW61
9.6 Pictographs ........................... PW62
9.7 Range and Mode .................... PW63
Chapter 10: Count Money
10.1 Dimes, Nickels, and Pennies .... PW64
10.2 Half Dollars and Quarters ........ PW65
10.3 Count Collections ................... PW66
10.4 Make the Same Amounts ........ PW67
10.5 Problem Solving WorkshopStrategy: Make a List .............. PW68
Chapter 11: Use Money
11.1 Algebra: Compare Amounts .... PW69
11.2 Problem Solving WorkshopStrategy: Act It Out ................ PW70
11.3 Add and Subtract Money ......... PW71
11.4 Problem Solving WorkshopStrategy: Predict and Test ....... PW72
11.5 One Dollar ............................. PW7311.6 Make Change to $1.00 ........... PW74
UNIT 4: GEOMETRY AND FRACTIONS
Chapter 12: Solid Figures
12.1 Identify Solid Figures .............. PW75
12.2 Algebra: Sort Solid Figures ...... PW76
12.3 Attributes of Solid Figures ....... PW77
12.4 Make Plane Figures from Solid Figures .......................... PW78
12.5 Problem Solving WorkshopStrategy: Make a Table ............ PW79
Chapter 13: Plane Figures and Spatial
Sense
13.1 Identify Plane Figures ............. PW80
13.2 Algebra: Sort Plane Figures ..... PW81
13.3 Combine Plane Figures ........... PW82
13.4 Separate Plane Figures .......... .PW83
13.5 Problem Solving WorkshopStrategy: Use Logical Reasoning ............................. PW84
13.6 Congruent Figures .................. PW85
Chapter 14: Parts of a Whole
14.1 Equal Parts ........................... PW86
14.2 Unit Fractions ....................... PW87
14.3 Compare Unit Fractions ........ .PW88
14.4 Problem Solving WorkshopStrategy: Make a Model .......... PW89
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14.5 Other Fractions ...................... PW90
14.6 Fractions Equal to 1 ................ PW91
14.7 Fractions Greater Than 1 ........ PW92
Chapter 15: Parts of a Group
15.1 Equal Parts of a Group ............ PW93
15.2 Unit Fractions of a Group ........ PW94
15.3 Other Fractions of a Group ...... PW95
15.4 Problem Solving WorkshopStrategy: Make a Model .......... PW96
UNIT 5: GREATER NUMBERS AND 3-DIGIT ADDITION AND SUBTRACTION
Chapter 16: Place Value to 1,000
16.1 Hundreds .............................. PW97
16.2 Hundreds, Tens, and Ones ...... PW98
16.3 Understand Place Value .......... PW99
16.4 Read and Write 3-Digit Numbers ............................. PW100
16.5 Different Ways to Show Numbers ............................. PW101
16.6 Problem Solving WorkshopSkill: Make Reasonable Estimates ............................ PW102
16.7 Count Bills and Coins ............ PW103
16.8 Problem Solving WorkshopStrategy: Make a Model ........ PW104
Chapter 17: Compare and Order
Greater Numbers
17.1 Algebra: Compare Numbers: >, <, or = ............................. PW105
17.2 Use Place Value to Compare Numbers ............................. PW106
17.3 Compare Money Amounts ..... PW107
17.4 Algebra: Order Numbers ....... PW108
17.5 Problem Solving WorkshopSkill: Use a Table .................. PW109
Chapter 18: 3-Digit Addition
18.1 Mental Math: Add On Multiples of 100.................... PW110
18.2 Model 3-Digit Addition: Regroup Ones ..................... PW111
18.3 Model 3-Digit Addition: Regroup Tens ....................... PW112
18.4 Practice 3-Digit Addition ........ PW113
18.5 Estimate Sums ..................... PW114
18.6 Problem Solving WorkshopSkill: Too Much Information ... PW115
Chapter 19: 3-Digit Subtraction
19.1 Mental Math: Subtract Multiples of 100 ......PW116
19.2 Model 3-Digit Subtraction: Regroup Tens ....................... PW117
19.3 Model 3-Digit Subtraction: Regroup Hundreds ............... PW118
19.4 Practice 3-Digit Subtraction ... PW119
19.5 Add and Subtract Money ....... PW120
19.6 Problem Solving Workshop Skill: Solve Multistep Problems ....... PW121
19.7 Estimate Differences ............ PW122
UNIT 6: MULTIPLICATION, DIVISION, MEASUREMENT, AND TIME
Chapter 20: Multiplication Concepts
and Facts
20.1 Skip-Count to Multiply ........... PW123
20.2 Connect Addition to Multiplication ........................ PW124
20.3 Algebra: Model with Arrays ... PW125
20.4 Algebra: Multiply in Any Order PW126
20.5 Problem Solving WorkshopStrategy: Write a Number Sentence ............................. PW127
20.6 Multiply with 2 ...................... PW128
20.7 Multiply with 5 ...................... PW129
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20.8 Multiply with 10 .................... PW130
20.9 Use a Multiplication Table ...... PW131
Chapter 21: Division Concepts
21.1 Sizes of Shares .................... PW132
21.2 Number of Equal Shares ....... PW133
21.3 Equal Shares with Remainders ......................... PW134
21.4 Connect Subtraction to Division ............................... PW135
21.5 Problem Solving WorkshopStrategy: Write a Number Sentence ............................. PW136
Chapter 22: Length
22.1 Measure Length with Nonstandard Units .................................. PW137
22.2 Compare Nonstandard Units .. PW138
22.3 Measure to the Nearest Inch .. PW139
22.4 Problem Solving WorkshopSkill: Make Reasonable Estimates ............................ PW140
22.5 Measure in Inches and Feet .. PW141
22.6 Measure to the Nearest Centimeter ........................... PW142
Chapter 23: Weight, Mass, and
Capacity
23.1 Ounces and Pounds ............. PW143
23.2 Grams and Kilograms ........... PW144
23.3 Cups, Pints, Quarts, and Gallons.......................... PW145
23.4 Liters ................................... PW146
23.5 Problem Solving WorkshopSkill: Make Reasonable Estimates ............................ PW147
Chapter 24: Time
24.1 Explore 1 Minute .................. PW148
24.2 Time to 15 Minutes ............... PW149
24.3 Time to 5 Minutes ................. PW150
24.4 Time Before the Hour ........... PW151
24.5 A.M. and P.M. ...................... PW152
24.6 Elapsed Time ....................... PW153
24.7 Problem Solving WorkshopSkill: Use a Table .................. PW154
24.8 Days, Weeks, Months, and Years .................................. PW155
Spiral Review
Week 1 ..............................................SR1
Week 2 ..............................................SR2
Week 3 ..............................................SR3
Week 4 ..............................................SR4
Week 5 ..............................................SR5
Week 6 ..............................................SR6
Week 7 ..............................................SR7
Week 8 ..............................................SR8
Week 9 ..............................................SR9
Week 10 ..........................................SR10
Week 11 ..........................................SR11
Week 12 ..........................................SR12
Week 13 ..........................................SR13
Week 14 ..........................................SR14
Week 15 ..........................................SR15
Week 16 ..........................................SR16
Week 17 ..........................................SR17
Week 18 ..........................................SR18
Week 19 ..........................................SR19
Week 20 ..........................................SR20
Week 21 ..........................................SR21
Week 22 ..........................................SR22
Week 23 ..........................................SR23
Week 24 ..........................................SR24
Week 25 ..........................................SR25
Week 26 ..........................................SR26
Week 27 ..........................................SR27
Week 28 ..........................................SR28
Week 29 ..........................................SR29
Week 30 ..........................................SR30
Week 31 ..........................................SR31
Week 32 ..........................................SR32
Week 33 ..........................................SR33
Week 34 ..........................................SR34
Week 35 ..........................................SR35
Week 36 ..........................................SR36
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1. Six bees are flying. Then 6 more bees come to join them. How many bees are there now?
Understand AdditionWrite the number sentence. Solve.
bee
— C — C — ladybugs
— C — C — moths
— C — C — crickets
Problem SolvingProblem Solving
5. Write a number sentence for the ants that Carol saw.
2. Jeff finds 8 ladybugs. Sally finds 3 ladybugs. How many ladybugs do they find in all?
4. There are 7 crickets jumping. There are 8 crickets chirping. How many cricketsare there in all?
ladybug
cricket
3. There are 4 moths on a tree. Then 5 more moths come. How many moths are onthe tree now?
6 — C 6 — C = 12 — bees+
moth
— C — C —
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PW1
Name Lesson 1.1
Practice
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1.
6.
11.
2.
7.
12.
3.
8.
13.
4.
9.
14.
5.
10.
15.
Count On
Circle the greater number. Count on to find the sum.
6+ 3_
9
9+ 2_
5+ 1_
3+ 4_
9+ 3_
2+ 5_
6+ 1_
5+ 3_
2+ 8_
1+ 7_
4+ 2_
3+ 7_
8+ 1_
8+ 3_
Problem SolvingProblem Solving
16. What are three ways you can count on to make a sum of 9? Look at an addition table ifyou need to.
— � — � 9
— � — � 9
— � — � 9
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1 + 10
_
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PracticePW2
Name Lesson 1.2
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PracticePW3
Name Lesson 1.3
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Doubles and Doubles Plus One Write a double. Then write both doubles-plus-one facts.
Problem SolvingProblem Solving
7. Six crickets are chirping. Then 6 more crickets join them. How many crickets are chirping now?
8. Nora counts 8 flies inside and 9 flies outside. How many flies does she countin all?
Solve. Use doubles or doubles plus one.
cricket fly — crickets — flies
1. 7 — + 7 — = 14 7 — � 8 — � 15
8 — � 7 — � 15
2. — � — � 10 — � — � 11
— � — � 11
3. — � — � 18 — � — � 19
— � — � 19
4. — � — � 8 — � — � 9
— � — � 9
5. — � — � 12 — � — � 13
— � — � 13
6. — � — � 16 — � — � 17
— � — � 17
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Make a Ten
Use a ten frame and to make a ten. Find the sum.
1.
4 + 7
_
2.
5 + 8
_
3.
9 + 2
_
4.
8 + 7
_
5.
9 + 9
_
6.
4 + 8
_
7. 8 + 9
_
8.
6 + 6
_
9.
7 + 5
_
10.
5 + 8
_
11.
3 + 9
_
12.
7 + 7
_
13. 8 + 5
_
14.
9 + 7
_
15.
8 + 8
_
16.
7 + 6
_
17.
2 + 9
_
18.
6 + 8
_
Problem SolvingProblem Solving
19. There are 13 children in a room. Some are boys. The others are girls. Write addition sentences to show some ways to make 13.
— C — C —
— C — C —
— C — C —
— C — C —
11
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PracticePW4
Name Lesson 1.4
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PracticePW5
Name Lesson 1.5
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1. 6 � 6 � —
6 � 7 � —
4. — � 8 � 5
— � 8 � 6
7. 5 � 9 � —
9 � 5 � —
10. 2 � 0 � —
7 � 0 � —
13. — � 6 � 0
— � 4 � 0
2. 0 � 6 � —
0 � 9 � —
5. 2 � 9 � —
9 � 2 � —
8. — � 0 � 3
— � 0 � 4
11. — � 8 � 8
— � 8 � 9
14. 3 � 8 � —
9 � 3 � —
3. — � 7 � 4
— � 4 � 7
6. 5 � 0 � —
1 � 0 � —
9. — � 5 � 6
— � 5 � 7
12. 6 � 9 � —
9 � 6 � —
15. 7 � 9 � —
9 � 7 � —
Practice the Facts
Find the sums.
Problem SolvingProblem Solving
16. Fred thinks of an addition fact. The sum is 14. One addend is 7. What fact could Fred be thinking of?
17. Fred thinks of a new addition fact. This time, the sum is 15, but one addend is still 7. What fact could Fred be thinking of?
Solve. Use doubles or doubles plus one.
12
13
— � — � — — � — � —
— � — � —
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1. Rule: Add 5. 2. Rule: Add 3. 3. Rule: Add 8.
In Out
2 7
345
Algebra: Follow the Rule
Follow the rule. Complete the table.
In Out
3579
In Out
2468
Find a rule. Complete the table.
4. Rule: Add —. 5. Rule: Add —. 6. Rule: Add —.
In Out
3 75 97 11
9
In Out
2 83 945
In Out
6 137 1489
4
Problem SolvingProblem Solving
7. Find the missing numbers in the puzzle. 9 8
2 8
610 5
5
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HINT: Which two numbers can you odd to find the sum for the center of the circle?
PracticePW6
Name Lesson 1.6
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Algebra: Add 3 Numbers
Write the sum.
1.
3 4
� 2
_
2.
4
6 � 3
_
3.
3
3 � 7
_
4.
4
2 � 4
_
5.
7
3 � 2
_
6.
4
2 � 5
_
7.
4
2 � 6
_
8.
9
1 � 1
_
9.
2 3
� 7
_
10.
5
1 � 5
_
11.
6
4 � 4
_
12.
4
5 � 3
_
13.
1
3 � 7
_
14.
5
5 � 5
_
15.
8
1 � 2
_
16.
2
3 � 6
_
17.
5 5
� 3
_
18.
7
2 � 2
_
Problem SolvingProblem Solving
19. If Ali buys all the red beads,and Kim buys all the blue and green beads, how many beads do they buy in all?
— beads
20. If Kim buys all the green beads, and Ali buys 1 bluebead and 2 red beads, howmany beads do they buyin all?
— beads
Use the picture to solve.
9
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blue blue bluegreengreengreengreengreengreenredredred
PracticePW7
Name Lesson 1.7
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3. There are 2 ladybugs on the bush. Each ladybug has 8 spots. How many spots are there on both the ladybugs together?
4. Marisol has 6 red pens, 5 blue pens, and 2 green pens. How many pens does she have in all?
1. A cricket hops 5 times. Then it hops 3 more times. How many times does it hop in all?
2. Six worms are digging in the dirt. Then 6 more worms come to join them. How many worms are there now?
Problem Solving Strategy Practice
Draw a picture to solve.
cricket
worm
ladybug
pen
— hops
— worms
Mixed Strategy Practice
Choose a strategy to solve.
— spots
— pens
Choose a Strategy
Draw a Picture
Make a Model
Write a Number Sentence
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PracticePW8
Name Lesson 1.8
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Understand Subtraction
Write the number sentence. Solve.
1. There are 8 kites in theair. Then 3 kites fall to theground. Howmany kites arestill in the air?
2. Tammy eats 5 nuts. Joneats 7 nuts. How manyfewer nuts doesTammy eatthan Jon?
3. LaBron sees 8 birds. Bretsees 2 birds. How manymore birds doesLaBron seethan Bret?
4. There are 9 towels at thepool. Bella takes 1 towel.How many towelsare left?
KITE
nut
bird
towel
[ART:7 stars and 3bells]
Problem SolvingProblem Solving
5. There are — more stars than bells.
Use the picture to complete the sentence.
C C kites8 3 =-
C C fewer nuts
C C more birds
C C towels
5
PW9 Practice
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Name Lesson 2.1
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PW10 Practice
Name Lesson 2.2
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Count back to find the difference.
1. 8 � 3
_
5
2. 5 � 2
_
3. 7 � 3
_
4. 3 � 1
_
5. 6 � 2
_
6. 9 � 1
_
7. 12 � 3
_
8. 5 � 1
_
9. 8 � 2
_
10. 11 � 3
_
11. 7 � 2
_
12. 9 � 3
_
13. 10 � 1
_
14. 4 � 3
_
15. 3 � 2
_
16. 4 � 2
_
17. 11 � 2
_
18. 10 � 3
_
19. 6 � 3
_
Count Back
Say 8.Count back 3.
7, 6, 5
Problem SolvingProblem Solving
Subtract. Look for a pattern.
20. 6 � 1 � 5 —
6 � 2 �
6 � 3 �
6 � 4 �
21. 8 � 1 �
8 � 2 �
8 � 3 �
8 � 4 �
22. 9 � 1 �
9 � 2 �
9 � 3 �
9 � 4 �
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PW11 Practice
Name Lesson 2.3
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Complete the fact families.
1. 5 6 11 11
2. 17
� � � � � � � �
6 5 6 5
8
11 11 5 6
3. 13
4. 7
� � � � � � � �
9
5
5. 8
6. 14
� � � � � � � �
3
6
Algebra: Fact Families
Problem SolvingProblem Solving
7. 7 � 9
_
16
2 � 7
_
9
16 � 9
_
7
16 � 7
_
9
8.
8 � 5
_
13
5
� 8
_
13
13 � 5
_
8
8 � 5
_
3
Cross out the fact that does not belong in the family.Then write the missing fact.
��
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PW12 Practice
Name Lesson 2.4
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Algebra: Think Addition to Subtract
Problem SolvingProblem Solving
5. There are 11 children on the school bus. Then 3 children get off. How many childrenare left on the bus? � �
6. Tyrell has 14 socks. Eight ofhis socks are black. The rest are white. How many whitesocks does he have? � �
Write a number sentence to solve.
sock
13
16
11
12
Find the difference.Complete the addition fact that can help.
1. 13 � 8 � 5 — THINK: 8 � 5 — � 13
2. 16 � 7 � —— THINK: 7 � —� 16
3. 11 � 9 � —— THINK: 9 � —� 11
4. 12 � 4 � —— THINK: 4 � ——� 12
school bus
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PW13 Practice
Name Lesson 2.5
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Algebra: Missing Addends
Use addition and a related fact to find the missing addend.
1. 4 � ? � 12 4 � 8 � 12 The missing
12 � 4 � 8 addend is 8 .
2. ? � 7 � 16 � 7 � 16 The missing
16 � 7 � addend is .
3. ? � 8 � 13 � 8� 13 The missing
13 � 8 � addend is .
4. 9 � ? � 15 9 � � 15 The missing
15 � 9 � addend is .
5. ? � 7 � 11 � 7 � 11 The missing
11 � 7 � addend is .
6. 9 � ? � 12 9 � � 12 The missing
12 � 9 � addend is .
Problem SolvingProblem Solving
7. 7 � � 15
�
8. � 8 � 11
�
9. � 6 � 12
�
What number does the stand for?©
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PW14 Practice
Name Lesson 2.6
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Skill • Choose the Operation
Decide which operation to use.Then write the number sentence. Solve.
1. There are 17 children in Ms. Shore’s class. Eight of them are girls. How many boys are there in the class?
2. There are 5 big dogs and 7 little dogs in the park. How many dogs are in the park in all?
3. Mandy has 8 beads. Her friend gives her 6 more beads. How many beads does she have now?
4. Hal has 11 comic books. He gives 3 comic books away. How many comic books does he have left?
5. Yin has 7 red pens and 10 blackpens. How many more black pensthan red pens does she have?
dog
bead
comic book
pen
—boys
— dogs
— beads
— comic books
— more black pens
C C 17 8 9 =-
boy
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9
— — —
— C — C—
— C — C—
— C — C—
— C — C—
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1.
50 — ones � 5 — tens
2.
— ones � — tens
3.
— ones � — tens
TensWrite how many ones.Then circle each group of ten. Write how many tens.
Problem SolvingProblem Solving
4. Circle the two models that show the same amount.Cross out the model that shows a different amount.
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PracticePW15
Name Lesson 3.1
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1.
2 tens 9 ones
29
3.
tens ones
2.
tens ones
4.
tens ones
Hands On: Tens and OnesUse Workmat 3 and . Write how many tens and ones. Then write the number.
Problem SolvingProblem Solving
5. Ricky has 5 bags of small marbles and 3 big marbles. Each bag has 10 marbles. How many marbles does he have?
— marbles
6. Tad has 27 cookies. How many boxes of 10 cookiescan he make?
— boxes
How many cookies will not be in a box?
— cookies
marble cookie
PracticePW16
Name Lesson 3.2
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1. 36
3 or 30
4. 151 or 10
7. 722 or 20
10. 188 or 80
13. 855 or 50
2. 52
50 or 5
5. 8680 or 8
8. 7570 or 7
11. 1910 or 1
14. 3830 or 3
3. 60
6 or 60
6. 533 or 30
9. 242 or 20
12. 939 or 90
15. 677 or 70
Understand Place Value
Circle the value of the gray digit.
Problem SolvingProblem Solving
16. I have 4 ones and 3 tens. What number am I?
—
17. I have 8 ones and 1 ten. What number am I?
—
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PracticePW17
Name Lesson 3.3
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1.
7 — tens 9 — ones
70 — � 9 —
79 —
3.
— tens — ones
— � —
—
2.
— tens — ones
— � —
—
4.
— tens — ones
— � —
—
Expanded FormWrite the number in three different ways.
Problem SolvingProblem Solving
5. Tyler used these blocks to model a number.Circle the correct ways to write the number.
9 tens 2 ones
29
90 � 2
20 � 9
2 tens 9 ones
92
PracticePW18
Name Lesson 3.4
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PracticePW19
Name Lesson 3.5
Read and Write Numbers to 100
1. 50 � 4
54
4. sixty-two
7. 20 � 3
10. 30 � 9
13. thirty-one
2. seventeen
5. 80 � 1
8. 1 ten 8 ones
11. fourteen
14. seventy-one
3. 3 tens 0 ones
6. ninety-nine
9. eighty
12. 5 tens 7 ones
15. 60 � 5
Write the number.
Problem SolvingProblem Solving
Circle the best answer for the riddle.
16. I am a number with the digit 8 in the ones place. Which of these numbers couldI be?
eighteen eighty eighty-six
17. I am a number with thedigit 3 in the tens place. Which of these numbers could I be?
three thirty thirteen
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1. 26
1 — ten 16 — ones
2. 34
— tens
— ones
3. 42
— tens — ones
— tens — ones
— tens — ones
— tens — ones
— tens — ones
— tens — ones
— tens — ones
Different Ways to Show NumbersUse . Write how many tens and ones.
Problem SolvingProblem Solving
4. Use . Draw two ways to show 37.Write how many tens and ones for each model.
— tens — ones — tens — ones
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PracticePW20
Name Lesson 3.6
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PracticePW21
Name Lesson 3.7
1. Will has a box filled with paper clips. About how many paper clips might be in the box?
2. Ms. Tapp eats eggs for breakfast. About how manyeggs might sheeat?
3. Kathy fills a bucket with marbles. About how manymarbles might bein the bucket?
4. Ty counts the chairs in his classroom. Abouthow many chairsmight there be?
5. Emma and her father take some dogs for a walk. About howmany dogs mightthey take fora walk?
Skill • Make Reasonable EstimatesCircle the better estimate.
about 10 paper clips
about 100 paper clips
about 2 eggs
about 20 eggs
about 5 marbles
about 50 marbles
about 2 chairs
about 20 chairs
about 3 dogs
about 30 dogs
paper clip
egg
marble
chair
dog
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1.
23 is greater than — 21.
23 C > 21
2.
16 — 17.
16 C
17
Algebra: Compare Numbers: >, <, or =Write is greater than, is less than, oris equal to. Then write �, �, or �.
Write is greater than, is less than, or is equal to. Then write �, �, or �.
3. 38 —
38.
38 C
38
5. 76 —
67.
76 C
67
4. 27 —
41.
27 C
41
6. 57 —
55.
57 C
55
Problem SolvingProblem Solving
7. Which of the numbers in the box could make this true?
61 � —
61 70
62 60
HINT: Compare the tens digits. Then compare the ones digits if you need to.
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PracticePW22
Name Lesson 4.1
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2.
1.
3. 45 33 61
— C
— C
—
5. 18 37 46
— C
— C
—
4. 56 55 64
— C
— C
—
6. 60 59 63
— C
— C
—
least greatest greatest least
greatestleastgreatest least
Order NumbersCompare the numbers. Write them in the correct order. Then write � or �.
Write the numbers in the correct order. Then write � or � .
— C > — C
> —42 38 35greatest least
— C
— C
—
least greatest
Problem SolvingProblem Solving
7. Write a number in the box that will make this true.
41 � � 44
8. Write a number in the box that will make this true.
61 � � 56
REMEMBER:
� is greater than� is less than
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PracticePW23
Name Lesson 4.2
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1. 24
——
4. 21
——
2. 17
——
5. 36
——
3. 35
——
6. 19
——
Even and Odd NumbersUse cubes to show the number as tens and ones. Draw what you built.Write even or odd.
even
REMEMBER:
Build the ones in pairs.
Problem SolvingProblem Solving
7. Choose two numbers in the box that you canadd together to get an odd sum.
— and —
8. Choose two numbers in the box that you canadd together to get an even sum.
— and —
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PracticePW24
Name Lesson 4.3
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Algebra: Patterns on a Hundred Chart
Skip-count. Use the hundred chart to continue the pattern. Write the missing numbers.
4. Jared is writing a number pattern by skip-counting backward by fours. What should the first number in this pattern be?Complete the pattern.
, , , , 4
The first number in the pattern should be .
Problem SolvingProblem Solving
1. Count by fives.
5, 10, 15, 20 — , 25 — , 30 —
40, 45, 50, — , — , —
2. Count by twos.
22, 24, 26,
— , — , —
60, 62, 64, — , — , — , — , —
3. Count by threes.
27, 30, 33, — , — , — , — , —
78, 81, 84, — , — , — , — , —
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PracticePW25
Name Lesson 4.4
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1.
68, 73, 78, 83 — , 88 — Rule: Count by — — .
2.
35, 37, 39, — , — Rule: Count by — — .
3.
71, 75, 79, — , — Rule: Count by — — .
4.
12, 15, 18, — , — Rule: Count by — — .
Algebra: Skip-Count on a Number LineSkip-count. Write the missing numbers.Write a rule for the pattern.
Problem SolvingProblem Solving
5. There are 37 people on the bus. Each time the bus stops, 5 more people get on. In how many stops will there be 57 people on the bus?
— stops
68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88
35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55
71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91
12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32
37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57©
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fives
PracticePW26
Name Lesson 4.5
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Problem Solving Strategy: Find a PatternFind the pattern. Complete the table to solve.
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There are wings on 6 airplanes.
There are wheels on 5 wagons.
number of airplanes 1 2 3 4 5 6
number of wings 2 4 6
number of wagons 1 2 3 4 5
number of wheels 4 8 12
Mixed Strategy Practice
Choose a strategy to solve.
socks
grapesgrape
sock
• Draw a Picture• Write a Number Sentence• Find a Pattern
Choose a Strategy
There are wings on
each airplane.
There are wheels on
each wagon.
1. How many wings are on 6 airplanes?
2. How many wheels are on 5 wagons?
3. Matt has 6 black socks. He has 4 white socks. How many socks does he have in all?
4. Tasha has 14 grapes. Seven are purple. The rest are green. How many grapes are green?
PracticePW27
Name Lesson 4.6
MXECA09AWK2X_PH_C04_L6.indd Page PW27 7/30/09 4:44:43 AM s-080MXECA09AWK2X_PH_C04_L6.indd Page PW27 7/30/09 4:44:43 AM s-080 /Volumes/105/HMH0002/work%0/indd%0/Grade 2_PW/Ch04/MXECA09AWK2X_PH_C04_L6/Volumes/105/HMH0002/work%0/indd%0/Grade 2_PW/Ch04/MXECA09AWK2X_PH_C04_L6
Algebra: Number PatternsUse the hundred chart. Extend the pattern.
6. Gene is skip-counting by tens. He starts the pattern with 26. Will he say 86 in his pattern? Circle yes or no.
7. Write the first five numbers in Gene’s pattern.
, , , ,
Problem SolvingProblem Solving
1. Skip-count by fives.
4, 9, 14, , , , ,
2. Skip-count by tens.
8, 18, 28, , , , ,
3. Skip-count by twos.
9, 11, 13, , , , ,
4. Skip-count by fives.
31, 36, 41, , , , ,
5. Skip-count by tens.
15, 25, 35, , , , ,
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19 24 29 34 39
noyes
PracticePW28
Name Lesson 4.7
MXECA09AWK2X_PH_C04_L7.indd Page PW28 8/1/09 1:47:10 AM s-124MXECA09AWK2X_PH_C04_L7.indd Page PW28 8/1/09 1:47:10 AM s-124 /Volumes/105/HMH0002/work%0/indd%0/Grade 2_PW/Ch04/MXECA09AWK2X_PH_C04_L7 /Volumes/105/HMH0002/work%0/indd%0/Grade 2_PW/Ch04/MXECA09AWK2X_PH_C04_L7
Mental Math: Add on Multiples of Ten
Count on to add.
1. 36 � 40 � 76 —
3. 27 � 30 � —
5. 14 � 50 � —
7. 17 � 10 � —
9. 21 � 40 � —
2. 54 � 20 � —
4. 78 � 20 � —
6. 35 � 30 � —
8. 43 � 40 � —
10. 46 � 50 � —
Problem SolvingProblem Solving
11. Ben has 22 owl stickers. His friendgives him some more. Now he has62 owl stickers. Count on by tens.How many owl stickers did Ben’sfriend give him?
— owl stickers
12. Jada has 16 colored markers. Shebuys some more. Now she has 46markers. Count on by tens. Howmany markers did Jada buy?
— markers
owl sticker
marker
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PracticePW29
Name Lesson 5.1
MXECA09AWK2X_PH_C05_L1.indd Page 1 7/30/09 5:04:25 AM s-080MXECA09AWK2X_PH_C05_L1.indd Page 1 7/30/09 5:04:25 AM s-080 /Volumes/105/HMH0002/work%0/indd%0/Grade 2_PW/Ch05/MXECA09AWK2X_PH_C05_L1/Volumes/105/HMH0002/work%0/indd%0/Grade 2_PW/Ch05/MXECA09AWK2X_PH_C05_L1
1. Add 23 and 9.
3 — tens 2 — ones
32 —
4. Add 65 and 3.
— tens — ones
—
2. Add 54 and 6.
— tens — ones
—
5. Add 18 and 6.
— tens — ones
—
3. Add 37 and 7.
— tens — ones
—
6. Add 42 and 5.
— tens — ones
—
Hands On: Regrouping for AdditionUse Workmat 11 and . If you can make a ten, regroup.Write how many tens and ones. Write the sum.
Problem SolvingProblem Solving
7. Shelby sees 34 owls at the zoo. Thenshe sees 9 more owls on a nature walk.How many owls does Shelby see in all?
— owls
Use Workmat 11 and to solve.
owl
Tens Ones
Workmat Tens Ones
Workmat
Tens Ones
Workmat Tens Ones
Workmat Tens Ones
Workmat
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Tens Ones
Workmat
PracticePW30
Name Lesson 5.2Name Lesson 5.2
MXECA09AWK2X_PH_C05_L2.indd Page 1 8/1/09 1:16:57 AM s-124MXECA09AWK2X_PH_C05_L2.indd Page 1 8/1/09 1:16:57 AM s-124 /Volumes/105/HMH0002/work%0/indd%0/Grade 2_PW/Ch05/MXECA09AWK2X_PH_C05_L2/Volumes/105/HMH0002/work%0/indd%0/Grade 2_PW/Ch05/MXECA09AWK2X_PH_C05_L2
1. Add 33 and 19.
5 — tens 2 — ones
52 —
4. Add 24 and 49.
— tens — ones
—
2. Add 46 and 37.
— tens — ones
—
5. Add 12 and 77.
— tens — ones
—
3. Add 51 and 28.
— tens — ones
—
6. Add 68 and 29.
— tens — ones
—
Hands On: Model 2-Digit AdditionUse Workmat 11 and . If you can make a ten, regroup.Write how many tens and ones. Write the sum.
Problem SolvingProblem Solving
7. Clara has 25 marbles. Keith has18 marbles. How may marblesdo Clara and Keith have in all?
— marbles
Draw to solve.
marble
Tens Ones
Workmat Tens Ones
Workmat Tens Ones
Workmat
Tens Ones
Workmat Tens Ones
Workmat Tens Ones
Workmat
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PracticePW31
Name Lesson 5.3
MXECA09AWK2X_PH_C05_L3.indd Page 1 7/30/09 5:01:13 AM s-080MXECA09AWK2X_PH_C05_L3.indd Page 1 7/30/09 5:01:13 AM s-080 /Volumes/105/HMH0002/work%0/indd%0/Grade 2_PW/Ch05/MXECA09AWK2X_PH_C05_L3/Volumes/105/HMH0002/work%0/indd%0/Grade 2_PW/Ch05/MXECA09AWK2X_PH_C05_L3
Strategy • Make a ModelProblem Solving Strategy Practice
Use Workmat 11 and to make a model.Write how many.
1. Eric counts 35 bats sleeping in the zoo.He counts 17 bats eating.How many bats does hecount in all?
2. Sophie draws 29 worms.Aldon draws 14 worms.How many worms dothey draw in all?
Mixed Strategy Practice
Choose a strategy to solve.
3. Casey has 24 strawberries. Evan has20 more strawberries than Casey.How many strawberriesdoes Evan have?
4. There are 7 owl books in Tim’s classroom.There are 9 owl books in the library.How many owl books arethere altogether?
— bats
— worms
— strawberries
— owl books
bat
worm
strawberry
owl book
Choose a Strategy
• Make a Model
• Write a Number Sentence
• Draw a Picture
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PracticePW32
Name Lesson 5.4
MXECA09AWK2X_PH_C05_L4.indd Page 1 8/1/09 1:20:19 AM s-124MXECA09AWK2X_PH_C05_L4.indd Page 1 8/1/09 1:20:19 AM s-124 /Volumes/105/HMH0002/work%0/indd%0/Grade 2_PW/Ch05/MXECA09AWK2X_PH_C05_L4/Volumes/105/HMH0002/work%0/indd%0/Grade 2_PW/Ch05/MXECA09AWK2X_PH_C05_L4
5. Caroline has 24 bug stickers.Her brother has 17 bug stickers.How many bug stickers do they have in all?
— bug stickers
Tens Ones
1.
3.
2.
4. Tens Ones
B 5 1
� 3 9
__
Tens Ones
B 1 3
� 6 8
__
Tens Ones
B 2 9
� 4 2
__
Hands On: Model and Record 2-Digit AdditionUse Workmat 3 and .Draw the regrouping if you need to. Write the sum.
Problem SolvingProblem SolvingUse Workmat 3 and if you need to.
bug sticker
1
Tens Ones
B 3 6
� 1 6
__
5 2
Tens Ones
Workmat Tens Ones
Workmat
Tens Ones
Workmat Tens Ones
Workmat
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B
�
__
PracticePW33
Name Lesson 5.5
MXECA09AWK2X_PH_C05_L5.indd Page 19 7/30/09 5:01:37 AM s-080MXECA09AWK2X_PH_C05_L5.indd Page 19 7/30/09 5:01:37 AM s-080 /Volumes/105/HMH0002/work%0/indd%0/Grade 2_PW/Ch05/MXECA09AWK2X_PH_C05_L5/Volumes/105/HMH0002/work%0/indd%0/Grade 2_PW/Ch05/MXECA09AWK2X_PH_C05_L5
7. Ryan has 17 reptile toys. Colin has 9 reptile toys. How many reptile toys do they have altogether?
— reptile toys
8. There are 22 bees near the garden. There are 12 bees near the pond. How many bees are there in all?
— bees
1.
3.
5.
2.
4.
6.
Tens Ones
B 2 1
� 6 5
__
Tens Ones
B 1 6
� 9
__
Tens Ones
B 2 1
� 3 9
__
Hands On: 2-Digit AdditionUse Workmat 3 and .If there are 10 ones, regroup. Write the sum.
Problem SolvingProblem SolvingDraw if you need to. Solve.
1
Tens Ones
B 5 7
� 2 7
__
8 4
Tens Ones
B 4 7
� 1 5
__
Tens Ones
B 2 4
� 2 8
__
Tens Ones
Workmat Tens Ones
Workmat
Tens Ones
Workmat Tens Ones
Workmat
Tens Ones Tens Ones
WorkmatWorkmat
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PracticePW34
Name Lesson 5.6Name Lesson 5.6
MXECA09AWK2X_PH_C05_L6.indd Page 1 7/30/09 4:58:16 AM s-080MXECA09AWK2X_PH_C05_L6.indd Page 1 7/30/09 4:58:16 AM s-080 /Volumes/105/HMH0002/work%0/indd%0/Grade 2_PW/Ch05/MXECA09AWK2X_PH_C05_L6/Volumes/105/HMH0002/work%0/indd%0/Grade 2_PW/Ch05/MXECA09AWK2X_PH_C05_L6
1. 2. 3. 4.
5. 6. 7. 8. Tens Ones
B 6 3
� 2 7
__
Tens Ones
B 1 7
� 3 7
__
Tens Ones
B 4 4
� 2 9
__
Tens Ones
B 4 8
� 3 1
__
Tens Ones
B 2 2
� 5 8
__
Tens Ones
B 2 4
� 1 7
__
B 5 2
� 4 6
__
Tens Ones
B 1 3 5
� 2 8
__
6 3
Add 2-Digit Numbers
Add. Regroup if you need to.
Problem SolvingProblem Solving
9. Sidney has 17 golf balls. Charlie has 2 more golf balls than Sidney. How many golf balls do they have in all?
— golf balls
Circle the problem that helps answer the question. Solve.
Tens Ones
B 1 7
� 2
__
Tens Ones
B 1 7
� 1 5
__
Tens Ones
B 1 7
� 1 9
__
Tens Ones
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PW35 Practice
Name Lesson 6.1
MXECA09AWK2X_PH_C06_L1.indd Page 1 7/30/09 5:49:40 AM s-080MXECA09AWK2X_PH_C06_L1.indd Page 1 7/30/09 5:49:40 AM s-080 /Volumes/105/HMH0002/work%0/indd%0/Grade 2_PW/Ch06/MXECA09AWK2X_PH_C06_L1/Volumes/105/HMH0002/work%0/indd%0/Grade 2_PW/Ch06/MXECA09AWK2X_PH_C06_L1
1. 2. 3. 4.
5. 6. 7. 8. Tens Ones
B 5 7
� 3 2
__
Tens Ones
B 5 3
� 2 7
__
Tens Ones
B 1 9
� 8
__
Tens Ones
B 2 4
� 4 6
__
Tens Ones
B 7 2
� 5
__
Tens Ones
B 3 7
� 4 4
__
Tens Ones
B 4 1
� 8
__
Practice 2-Digit Addition
Add. Regroup if you need to.
Problem SolvingProblem Solving
9. There are 42 swimmers on the swim team. Some are in first grade. Some are in second grade. Which of these could show the number of first and second graders on the swim team?
Tens Ones
B 1 5
� 1 7
__
Tens Ones
B 3 1
� 1 4
__
Tens Ones
B 2 7
� 1 5
__
Tens Ones
B 1 2 8
� 4 6
__
7 4
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PW36 Practice
Name Lesson 6.2Name Lesson 6.2
MXECA09AWK2X_PH_C06_L2.indd Page 1 7/30/09 5:47:44 AM s-080MXECA09AWK2X_PH_C06_L2.indd Page 1 7/30/09 5:47:44 AM s-080 /Volumes/105/HMH0002/work%0/indd%0/Grade 2_PW/Ch06/MXECA09AWK2X_PH_C06_L2/Volumes/105/HMH0002/work%0/indd%0/Grade 2_PW/Ch06/MXECA09AWK2X_PH_C06_L2
1. 35 � 57
5. 21 � 24
9. 33 � 27
2. 22 � 19
6. 52 � 38
10. 19 � 26
3. 43 � 6
7. 34 � 48
11. 44 � 15
4. 16 � 56
8. 29 � 7
12. 12 � 29
Tens Ones Tens OnesTens Ones
Rewrite 2-Digit Addition
Rewrite the numbers. Then add.
Tens Ones
B 1 3 5
� 5 7
__
9 2
13. Erik hit 36 tennis balls in the morning and 47 tennis balls in the afternoon. His father hit 82 tennis balls in all. Who hit more tennis balls?
Problem Solving Problem Solving
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B
�
__
B
�
__
B
�
__
�
__
�
__
�
__
�
__
� � � �
�
__
PW37 Practice
Name Lesson 6.3
MXECA09AWK2X_PH_C06_L3.indd Page 19 7/30/09 5:47:36 AM s-080MXECA09AWK2X_PH_C06_L3.indd Page 19 7/30/09 5:47:36 AM s-080 /Volumes/105/HMH0002/work%0/indd%0/Grade 2_PW/Ch06/MXECA09AWK2X_PH_C06_L3/Volumes/105/HMH0002/work%0/indd%0/Grade 2_PW/Ch06/MXECA09AWK2X_PH_C06_L3
Estimate Sums
Look at the sum in the box. Write � or � to make each sentence true.
1. 10 + 50 = 60
8 � 48 C
< 60
11 � 50 C
> 60
3. 70 + 20 = 90
73 � 20 C 90
68 � 18 C 90
5. 50 + 20 = 70
47 � 19 C 70
52 � 20 C 70
2. 20 + 40 = 60
21 � 38 C 60
20 � 42 C 60
4. 40 + 50 = 90
40 � 53 C 90
38 � 48 C 90
6. 30 + 40 = 70
32 � 42 C 70
30 � 39 C 70
Problem SolvingProblem Solving7. Choose from the numbers on the flag to
write true sentences. Use the sum in the box to help.
30 + 20 = 50
— � — � 50 — � — � 50
— � — � 50 — � — � 50
— � — � 50 — � — � 50
22
18
3129
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PW38 Practice
Name Lesson 6.4
MXECA09AWK2X_PH_C06_L4.indd Page 1 7/30/09 5:47:53 AM s-080MXECA09AWK2X_PH_C06_L4.indd Page 1 7/30/09 5:47:53 AM s-080 /Volumes/105/HMH0002/work%0/indd%0/Grade 2_PW/Ch06/MXECA09AWK2X_PH_C06_L4/Volumes/105/HMH0002/work%0/indd%0/Grade 2_PW/Ch06/MXECA09AWK2X_PH_C06_L4
1. 2. 3. 4.
5. 6. 7. 8.
9. 10. 11. 12.
13. 14. 15. 16.
More 2-Digit Addition
Add. Regroup if you need to.
1 2 8
� 35
_
63
4 7
� 24
_
6 2
� 31
_
5 3
� 19
_
7 8
� 12
_
3 4
� 52
_
2 7
� 37
_
1 6
� 51
_
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2 2
� 56
_
2 3
� 45
_
4 4
� 17
_
5 9
� 31
_
67� 29_
18� 34_
35� 16_
78� 11_
Problem SolvingProblem Solving 17. The boys’ softball team has 34 balls
and 28 mitts. The girls’ softball team has 27 balls and 33 mitts. How many mitts do they have in all?
— mitts
PW39 Practice
Name Lesson 6.5
MXECA09AWK2X_PH_C06_L5.indd Page 1 7/30/09 5:48:00 AM s-080MXECA09AWK2X_PH_C06_L5.indd Page 1 7/30/09 5:48:00 AM s-080 /Volumes/105/HMH0002/work%0/indd%0/Grade 2_PW/Ch06/MXECA09AWK2X_PH_C06_L5/Volumes/105/HMH0002/work%0/indd%0/Grade 2_PW/Ch06/MXECA09AWK2X_PH_C06_L5
Goals Scored This Season
Player Number of Goals
Terry 16
Jose 24
Darcy 27
Otto 18
Problem Solving Skill: Use a Table
Use the table to solve.
1. How many goals did Jose andDarcy score in all?
— goals
2. How many goals did Terry andOtto score in all?
— goals
3. Which two players scored 45 points in all?
and
4. Which two players scored 40 goals in all? Add to check your answer.
and
51
2 42 7
5 1
1
+
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PW40 Practice
Name Lesson 6.6
MXECA09AWK2X_PH_C06_L6.indd Page 1 7/31/09 4:22:23 AM elhi-2MXECA09AWK2X_PH_C06_L6.indd Page 1 7/31/09 4:22:23 AM elhi-2 /Volumes/105/HMH0002/work%0/indd%0/Grade 2_PW/Ch06/MXECA09AWK2X_PH_C06_L6/Volumes/105/HMH0002/work%0/indd%0/Grade 2_PW/Ch06/MXECA09AWK2X_PH_C06_L6
Algebra: Break Apart Numbers to Add
Break apart the addends. Find the sum.
�
1. 15 � 47 � ? Add the tens. — � — � —
Add the ones. — � — � —
How many in all? — � — � —
So, 15 + 47 � —.
2. 23 � 58 � ? Add the tens. — � — � —
Add the ones. — � — � —
How many in all? — � — � —
So, 23 � 58 � —.
3. 35 � 19 � ? Add the tens. — � — � —
Add the ones. — � — � —
How many in all? — � — � —
So, 35 � 19 � —.
— � —10 5— � —40 7
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— � —�— � —
� — � —— � —
4. Eric has 23 soccer stamps and some football stamps. He has 60 stamps in all.How many football stamps does he have?
— football stamps
— � —— � —
— � — — � —
stamp
PW41 Practice
Name Lesson 6.7
MXECA09AWK2X_PH_C06_L7.indd Page 1 8/13/09 1:47:41 AM elhi-2MXECA09AWK2X_PH_C06_L7.indd Page 1 8/13/09 1:47:41 AM elhi-2 /Volumes/105/HMH0002/work%0/indd%0/Grade 2_PW/Ch06/MXECA09AWK2X_PH_C06_L7/Volumes/105/HMH0002/work%0/indd%0/Grade 2_PW/Ch06/MXECA09AWK2X_PH_C06_L7
Mental Math: Subtract Multiples of Ten
Count back to subtract.
1. 45 � 20 � 25 —
3. 58 � 10 � —
5. 37 � 20 � —
7. 86 � 50 � —
9. 81 � 40 � —
11. 53 � 40 � —
2. 63 � 30 � —
4. 42 � 30 � —
6. 75 � 40 � —
8. 49 � 10 � —
10. 77 � 50 � —
12. 93 � 20 � —
Problem SolvingProblem Solving
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13. Julia has 55 red beads. Chandra has 37 red beads.Julia gives 30 red beads to Chandra.How many red beads does each childhave now?
Julia: — red beads
Chandra: — red beads
PracticePW42
Name Lesson 7.1
MXECA09AWK2X_PH_C07_L1.indd Page 1 7/30/09 5:59:29 AM s-124MXECA09AWK2X_PH_C07_L1.indd Page 1 7/30/09 5:59:29 AM s-124 /Volumes/105/HMH0002/work%0/indd%0/Grade 2_PW/Ch07/MXECA09AWK2X_PH_C07_L1/Volumes/105/HMH0002/work%0/indd%0/Grade 2_PW/Ch07/MXECA09AWK2X_PH_C07_L1
Hands On: Regrouping for SubtractionUse Workmat 11 and . Regroup if you need to.Write how many tens and ones. Write the difference.
7. Jason has 25 rubber stamps. Trisha has7 fewer rubber stamps than Jason. How many rubber stamps does Trisha have?
— rubber stamps
Problem SolvingProblem Solving
1. Subtract 6 from 22.
1 — tens 6 — ones
16 —
4. Subtract 8 from 45.
— tens — ones
—
2. Subtract 4 from 15.
— tens — ones
—
5. Subtract 5 from 52.
— tens — ones
—
3. Subtract 7 from 36.
— tens — ones
—
6. Subtract 3 from 31.
— tens — ones
—
Use Workmat 11 and to solve.
rubber stamp
Tens Ones
Workmat Tens Ones
Workmat Tens Ones
Workmat
Tens Ones
Workmat Tens Ones
Workmat Tens Ones
Workmat
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PracticePW43
Name Lesson 7.2Name Lesson 7.2
MXECA09AWK2X_PH_C07_L2.indd Page 1 7/30/09 5:59:44 AM s-124MXECA09AWK2X_PH_C07_L2.indd Page 1 7/30/09 5:59:44 AM s-124 /Volumes/105/HMH0002/work%0/indd%0/Grade 2_PW/Ch07/MXECA09AWK2X_PH_C07_L2/Volumes/105/HMH0002/work%0/indd%0/Grade 2_PW/Ch07/MXECA09AWK2X_PH_C07_L2
Hands On: Model 2-Digit SubtractionUse Workmat 11 and . Regroup if you need to.Write how many tens and ones. Write the difference.
7. Ava has 42 sequins. She gives14 sequins to Beth. How many sequinsdoes Ava have left?
— sequins
Problem SolvingProblem Solving
1. Subtract 24 from 43.
1 — tens 9 — ones
19 —
4. Subtract 15 from 33.
— tens — ones
—
2. Subtract 17 from 65.
— tens — ones
—
5. Subtract 46 from 68.
— tens — ones
—
3. Subtract 27 from 56.
— tens — ones
—
6. Subtract 19 from 47.
— tens — ones
—
Draw to solve.
sequins
Tens Ones
Workmat Tens Ones
Workmat Tens Ones
Workmat
Tens Ones
Workmat Tens Ones
Workmat Tens Ones
Workmat
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PracticePW44
Name Lesson 7.3
MXECA09AWK2X_PH_C07_L3.indd Page 1 7/30/09 5:59:17 AM s-124MXECA09AWK2X_PH_C07_L3.indd Page 1 7/30/09 5:59:17 AM s-124 /Volumes/105/HMH0002/work%0/indd%0/Grade 2_PW/Ch07/MXECA09AWK2X_PH_C07_L3/Volumes/105/HMH0002/work%0/indd%0/Grade 2_PW/Ch07/MXECA09AWK2X_PH_C07_L3
Strategy • Make a ModelProblem Solving Strategy Practice
Use Workmat 11 and to make a model.Write how many.
1. Juan has 52 moon shapes. He has38 heart shapes. How many moremoon shapes doeshe have than heartshapes?
2. There are 45 paintbrushes in a cup.Dennis takes 28 paintbrushes outof the cup. Howmany paintbrushesare left in the cup?
3. Laura has 47 stickers. Chad has9 fewer stickers than Laura. Howmany stickers doesChad have?
4. There are 37 pieces of red yarn andsome pieces of blue yarn in a box.There are 61 piecesof yarn altogether.How many piecesof blue yarn are inthe box?
— more moon shapes
— paintbrushes
— stickers
— pieces of blue yarn
moon shape
paintbrush
sticker
yarn
Go You!
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PracticePW45
Name Lesson 7.4
MXECA09AWK2X_PH_C07_L4.indd Page 19 7/31/09 4:45:09 AM elhi-2MXECA09AWK2X_PH_C07_L4.indd Page 19 7/31/09 4:45:09 AM elhi-2 /Volumes/105/HMH0002/work%0/indd%0/Grade 2_PW/Ch07/MXECA09AWK2X_PH_C07_L4/Volumes/105/HMH0002/work%0/indd%0/Grade 2_PW/Ch07/MXECA09AWK2X_PH_C07_L4
B B
3 1
� 6
__
5. Mr. Thome has 24 paintbrushes. He gives3 paintbrushes to one group of studentsand 5 paintbrushes to another group.How many paintbrushes does he have left?
— paintbrushes
tens ones
tens ones tens ones
tens ones
Hands On: Model and Record 2-Digit AdditionUse Workmat 3 and .Draw the regrouping if you need to. Write the difference.
Problem SolvingProblem Solving
Use Workmat 3 and if you need to.
paintbrush
tens ones
B B
2 3
� 5
__
B B
6 5
� 7
__
B B
4 8
� 9
__
B B
�
__
Tens Ones
Workmat
Tens Ones
Workmat Tens Ones
Workmat
Tens Ones
Workmat
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1.
3.
2.
4.
__
PracticePW46
Name Lesson 7.5
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1.
3.
5.
2.
4.
6.
B B
3 5
� 1 7
__
Tens Ones
7. Jack models a problem. He starts with 5 ones and 6 tens.He has 2 tens and 7 ones left.What problem did he solve?
Tens Ones Tens Ones
Hands On: Subtract 2-Digit NumbersUse Workmat 3 and .Regroup if you need to. Write the difference.
Problem SolvingProblem Solving
Use Workmat 3 and if you need to.
Tens Ones Tens Ones
Tens Ones
B 4 B 18
5
� 8
�
� 1 9
__
3 9
B B
7 6
� 3 9
__
B B
6 4
� 2 2
__
B B
5 7
� 2 4
__
B B
4 5
� 1 6
__
Tens Ones
B B
�
__
Tens Ones
Workmat Tens Ones
Workmat
Tens Ones
Workmat Tens Ones
Workmat
Tens Ones
Workmat Tens Ones
Workmat
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PracticePW47
Name Lesson 7.6
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Problem SolvingProblem Solving
2-Digit Subtraction
Use Workmat 3 and . Subtract.1. 2. 3. 4.
5. 6. 7. 8.
9. 10. 11. 12.
Use Workmat 3 and to solve.
13. Jodi and Sean each put 12 rubber balls into a bag. Then Tyler takes 18 rubber balls out of the bag. How many rubber balls are in the bag now?
rubber balls
B 7 B 12
8
/ 2
/
� 3 7
__
4 5
B B
6
4
� 5
__
B B
3
8
� 1 5
__
B B
7
1
� 2 2
__
B B
5
7
� 4 8
__
B B
2
8
� 9
__
B B
4
2
� 1 7
__
B B
9
3
� 4 7
__
B B
8
0
� 3 3
__
B B
4
6
� 2 8
__
B B
5
1
� 1 4
__
B B
3
4
� 5
__
rubber ball
Tens Ones Tens Ones Tens Ones Tens Ones
Tens OnesTens OnesTens OnesTens Ones
Tens Ones Tens Ones Tens Ones Tens Ones
Practice
Name Lesson 8.1
PW48
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Problem SolvingProblem Solving
Practice 2-Digit Subtraction
Subtract. Regroup if you need to.
1. 2. 3. 4.
5. 6. 7. 8.
Circle the problem that will help you answer the question. Then solve.
9. Joe has 34 buttons. Paul has 2 more buttons than Joe. Andy has 17 fewer buttons than Paul. How many buttons does Andy have?
B B
8
3
� 2 5
__
B B
4
5
� 2 7
__
B B
9
2
� 6 4
__
B B
3
3
� 6
__
B B
6
4
� 2 8
__
B B
5
8
� 2 1
__
B B
7
0
� 2 6
__
B 4 B 17
5
/ 7
/
� 2 9
__
2 8
Tens Ones Tens Ones Tens Ones Tens Ones
Tens Ones Tens Ones Tens Ones Tens Ones
Tens Ones Tens Ones
B B
3
4
� 1 7
__
B B
1
7
� 2
__
Tens Ones
B B
3
6
� 1 7
__
PracticePW49
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Name Lesson 8.2
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Rewrite 2-Digit Subtraction
Rewrite the numbers. Then subtract.
1. 45 � 27 2. 84 � 56 3. 37 �14 4. 66 � 49
5. 91 � 43 6. 75 � 38 7. 48 � 15 8. 63 � 36
9. 82 � 43 10. 55 � 17 11. 28 � 19 12. 40 � 21
Write the missing numbers.
13. 14. 15.
B B
�
__
B B
�
__
B B
�
__
B B
�
__
B B
�
__
B B
�
__
B B
�
__
B B
�
__
B B
�
__
B B
�
__
B B
�
__
B B
�
__
B B
�
__
B B
�
__
B 3 B 15
4
/ 5
/
� 2 7
__
1 8
Tens Ones Tens Ones Tens Ones Tens Ones
Tens Ones Tens Ones Tens Ones
Problem SolvingProblem Solving
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4 15
2 8
5 12
1 6
7 12
3 9
Practice
Name Lesson 8.3
PW50
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More 2-Digit Subtraction
Subtract. Regroup if you need to.
1.
56 � 39
_
2.
72
� 59
_
3.
47
� 35
_
4.
63
� 28
_
5.
92
� 25
_
6.
36
� 17
_
7.
52
� 23
_
8.
85
� 54
_
9.
53
� 15
_
10.
44
� 22
_
11.
76
� 38
_
12.
60
� 33
_
13.
74
� 46
_
14.
68
� 29
_
15.
90
� 24
_
16.
81
� 57
_
17. Derek has 24 toy cars. Mandy has 6 more toy cars than Derek. Abby has 13 fewer toy cars than Mandy. How many toy cars does Abby have?
toy cars
//4 16
17
toy car
Problem SolvingProblem Solving
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Practice
Name Lesson 8.4
PW51
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Use Addition to Check Subtraction
Subtract. Add to check.
1. 2. 3.
4. 5. 6.
7. 8. 9.
Solve. Then use addition to check your answer. 10. Taylor had 42 train track pieces. She built
a train track. She has 24 pieces left. How many pieces did Taylor use to build the track?
pieces
46
26
72
1
46
//6 12
72�26 �
44�15 �
63�38 �
35�18 �
21� 7 �
86�48 �
75�39 �
40� 3 �
33�24 �
��
Problem SolvingProblem Solving
Practice
Name Lesson 8.5
PW52
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Estimate DifferencesLook at the difference in the box.Then write > or < to make each sentence true.
1.
80 � 37 4080 � 42 40
2.
70 � 49 2070 � 51 20
3.
60 � 22 4060 � 17 40
4.
50 � 27 2050 � 34 20
5.
80 � 22 6080 � 19 60
6.
60 � 8 5060 � 11 50
7. Write numbers in the blanks to make true sentences. Use the difference in the box to help.
90 � � 30 90 � � 30
90 � � 30 90 � � 30
90 � � 30 90 � � 30
80 � 40 � 40 70 � 50 � 20
60 � 20 � 40
80 � 20 � 60
50 � 30 � 20
60 � 10 � 50
90 � 60 � 30
>
Problem SolvingProblem Solving
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Practice
Name Lesson 8.6
PW53
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Use the table to answer the questions.
Shirts in a Store
Color Number of Shirts
blue 45green 54yellow 27
red 36
1. How many more blue shirtsthan yellow shirts are in thestore? more blue shirts
2. The green shirts and redshirts are all on one shelf.How many shirts are onthat shelf? shirts
3. The store sells 18 blue shirts. How many blue shirts are left in the store? blue shirts
4. How many more greenshirts than red shirtsare in the store? more green shirts
Problem Solving Skill: Use a Table
Name Lesson 8.7
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PW54 Practice
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Mental Math: Find Differences
Add the same number
to both numbers.Subtract.
1. 64 � 36 � ? 64 � 36
� �
�
� �
So,
64 � 36 �
2. 85 � 48 � ? 85 � 48
� �
�
� �
So,
85 � 48 �
3. 51 � 17 � ? 51 � 17
� �
�
� �
So,
51 � 17 �
Use mental math to solve. 4. Isak has 28 trading cards. He needs
42 trading cards to make a set.How many more trading cards does he need to make a set?
more trading cards
4068
4
trading card
Problem SolvingProblem Solving
4
68 40 28
28
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Practice
Name Lesson 8.8
PW55
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Mixed Practice
Find the sum or difference.
1. 33 � 12
_
2. 64 � 47
_
3. 25 � 57
_
4. 83 � 36
_
5. 46 � 34
_
6. 81 � 17
_
7. 42 � 21
_
8. 12 � 67
_
9. 61 + 29
_
10. 72 � 28
_
11. 29 � 41
_
12. 52 � 39
_
13. 31 � 12
_
14. 64 � 18
_
15. 49 � 22
_
16. 75 � 48
_
17. 43 � 19
_
18. 22 � 35
_
19. 32 � 9
_
20. 67 � 15
_
Problem SolvingProblem Solving
21. Kinzy and Ezra each put 22 crayons in a box. Then they took 9 crayons out of the box and put them into a bucket. How many crayons were left in the box?
crayons
45
crayon
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Practice
Name Lesson 8.9
PW56
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Picture Graphs
Use the picture graph to answer the questions.
Books on Ben’s Bookshelf
mystery
fiction
biography
Key: Each stands for 1 book.
1. How many mystery books are on Ben’s bookshelf?
mystery books
2. How many more fiction books than biography books are on Ben’s bookshelf?
more fiction books
3. How many books are on Ben’s bookshelf in all?
books
Problem Solving Problem Solving
Use the picture graph above.
4. Ben put some science books on his bookshelf. He put twice as many science books as mystery and biography books together. How many science books did he put on the bookshelf? science books
3
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PracticePW57
Name Lesson 9.1
MXECA09AWK2X_PH_C09_L1.indd Page PW57 8/13/09 12:12:19 AM elhi-2MXECA09AWK2X_PH_C09_L1.indd Page PW57 8/13/09 12:12:19 AM elhi-2 /Volumes/105/HMH0002/work%0/indd%0/Grade 2_PW/Ch09/MXECA09AWK2X_PH_C09_L1/Volumes/105/HMH0002/work%0/indd%0/Grade 2_PW/Ch09/MXECA09AWK2X_PH_C09_L1
Take a Survey on a Tally Chart 1. Take a survey. Ask 10
classmates which figure is their favorite. Use tally marks to show their answers.
2. Draw in the picture graph to show the information in the tally chart.
Problem Solving Problem Solving 3. Mason wants to ask 12
classmates which sandwich is their favorite. Look at the results he has recorded. How many more classmates does he need to ask?
more classmates
Our Favorite Figures
Figure Tally
square
circle
triangle
square
circle
triangle
Our Favorite Figures
Key: Each stands for 1 child.
Our Favorite Sandwiches
Sandwich Tally
ham
turkey
peanut butter
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Practice
Name Lesson 9.2
PW58
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Read a Bar Graph
Use the bar graph to answer the questions.
1. Who read the most pages?
2. Who read the fewest pages?
3. How many more pages did Olivia read than Maggie? more pages
4. How many pages did the children read in all? pages
Problem SolvingProblem SolvingUse the bar graph to answer the questions.Write true or false.
5. Olivia read 2 fewer pages than Max.
6. Maggie read the same number of pages as Luke.
7. Luke read 1 more page than Max.
Olivia
Pages Read Last Week
Children
Num
bers
of
Pages 10
0123456789
OliviaMaxMaggieLuke
REMEMBER:Look at where each bar ends.
Practice
Name Lesson 9.3
PW59
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Make a Bar Graph
1. Use the picture to complete the table.Then shade the bars in the graph to show the data.
Use the bar graph to answer the questions.
2. How many triangles are there ? triangles
3. How many circles are there ? circles
4. How many figures are not squares ? figures
5. How many more triangles than squares are there? more triangles
Problem SolvingProblem Solving
6. This bar graph shows fruit in a fruit bowl. If 4 more plums are added to the bowl, how many pieces of fruit will there be in all?
pieces of fruit
Fruit in the Fruit Bowlapplespearsplums
Fru
it
0 1 2 3Number
4 5 6
Figures
Figures
Num
ber
6543210 circletrianglesquare
Figures
Figure Number
3
circle
triangle
square
Practice
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PW60
Name Lesson 9.4
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Strategy • Make a Bar Graph
Addie took a survey of her classmates’ favorite pets.8 classmates chose dogs, 4 chose cats, 6 chose fish,and 3 chose hamsters.
1. Complete the bar graph to show the information.Then write a title for the bar graph.
Use the bar graph to answer the question.
2. How many children did not choose dogs? children
Mixed Strategy PracticeMixed Strategy Practice
3. Sam has 27 dominoes. His friend Jake gives him 9 more. How many dominoes does Sam have now?
dominoes 4. The first number in a number
pattern is 12. A rule for the pattern is count by 3s. What is the fourth number in the pattern?
Choose a StrategyChoose a Strategy
• Find a Pattern• Draw a Picture• Make a Model
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0 1 2 3 4 5 6 7 8 9
Ani
mal
s
Number of Children
dogs
cats
fish
hamsters
Practice
Name Lesson 9.5
PW61
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Pictographs
Use the pictograph to answer the questions.
1. How many children chose April?
children
2. Which month did the fewest children choose?
3. How many more children chose August than January?
more children
4. How many children voted altogether?
children
Problem Solving Problem Solving 5. Jamie surveyed his
classmates to find their favorite juice. Complete his pictograph to show this information.
4 chose apple.
8 chose grape.
10 chose orange.
Key: Each stands for 2 children.
Our Favorite Months
January
April
August
November
HINT: How many groups of 2 children chose
each month?
apple
grape
orange
Key: Each stands for 2 children.
Favorite Juice
10
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Practice
Name Lesson 9.6
PW62
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Range and Mode
Use the line plot to answer the questions.
1. How many children have 3 markers?
children
2. How many children have 5 markers?
children
3. Write a number sentence to find the range of the data.
C C
4. What is the mode of the data?
The mode of the data is .
Problem SolvingProblem Solving
5. Karen’s class made a line plot of the number of pets each student has. How many students have more than 1 pet?
students
5 6 7 8 943
✗✗✗
✗ ✗ ✗✗
✗✗
✗✗✗
✗
✗✗✗
Number of Markers
3 421
✗✗✗
✗✗
✗
✗✗✗
✗✗✗
Number of Pets
Each x on the line plot stands for
one child.
3
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Practice
Name Lesson 9.7
PW63
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Dimes, Nickels, and Pennies
Count coins to find the total value. 1.
, , , , ,
2.
, , , , ,
3.
, , , , ,
4.
, , , , ,
5. Draw two ways to make 15¢.
Problem SolvingProblem Solving
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PW64 Practice
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Name Lesson 10.1
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Half Dollars and QuartersCount coins to find the total value. 1.
, , , , ,
2.
, , , , ,
3.
, , , ,
4.
, , , ,
5. Sarah has some coins with a total value of 70¢. One coin is a half dollar. Draw the coins she may have.
Problem SolvingProblem Solving
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Name Lesson 10.2
PW65 Practice
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Count Collections
Draw and label coins from greatest to least value. Write the total value.
1.
2.
3.
4. Circle the money amounts that are written correctly.Then write the other money amounts correctly.
73
2¢4
81¢
¢5
33
15¢
¢47
99¢
81¢
Problem SolvingProblem Solving
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PW66 Practice
Name Lesson 10.3
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Hands On: Make the Same AmountsUse coins. Show the value in two ways.
Draw and label each coin.
1.
2.
3.
4.
5. Mariel has three coins with a total value of 60¢. What coins could she have? Draw and label the coins.
Problem SolvingProblem Solving
PW67 Practice
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Name Lesson 10.4
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Strategy •• Make a ListProblem Solving Strategy PracticeProblem Solving Strategy Practice
Make a list to solve.
1. Annie has 57¢. What are some different ways to show how much money she has using dimes, nickels, and pennies?
Dimes Nickels Pennies Total Value
Mixed Strategy PracticeMixed Strategy Practice
Choose a strategy to solve.
2. Dora is trading nickels for pennies. She trades 1 nickel for 5 pennies.She has 5 nickels. How many pennies should she get for 5 nickels?
number of nickels 1 2 3 4 5
number of pennies 5
pennies
3. Dean has 10 marbles. He gets 5 more.How many marbles does he have now?
marbles
5 1 2 57¢
Choose a Strategy
• Make a List
• Find a Pattern
• Draw a Picture
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PW68 Practice
Name Lesson 10.5
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Compare Amounts
Write the total value of each group.Then write >, <, or =. 1.
2.
3.
4. Sandra buys a rose for 1 half dollar and 1 dime. She buys a daisy for 2 quarters and 1 nickel. Circle the flower that costs more money.
rose daisy
42¢ > 32¢
Problem SolvingProblem Solving
rose daisy
PW69 Practice
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Name Lesson 11.1
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Mixed Strategy PracticeMixed Strategy Practice
Strategy • Act It OutProblem Solving Strategy PracticeProblem Solving Strategy Practice
Use coins to act out a problem. Draw the coins. Write the total value. Then answer the question.
1. Donna has 1 quarter, 2 dimes, and 3 nickels. Does she have enough to buy the pen?
2. Jay has 1 half dollar and 2 nickels. Does he have enough to buy the toy duck?
Choose a strategy to solve.
3. Jill has 2 quarters, 2 dimes, and 2 nickels. She gets 3 more nickels. How much money does she have?
4. Nate has 1 quarter and 1 dime. He wants to change his coins for nickels. How many nickels should he get? nickels
pen
toy duck
Choose a Strategy
• Act It Out• Make a List• Draw a Picture
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PW70 Practice
Name Lesson 11.2
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Add and Subtract Money
Add or subtract to solve.
1. Teri has 42¢. Her mom gives her 19¢.
Now Teri has .
2. Noah has 75¢. He gives his brother 25¢.
Now Noah has .
3. Jen has 38¢. She finds 15¢.
Now Jen has .
4. Juan has 87¢. He spends 39¢.
Now Juan has .
5. Todd has 94¢. He buys some juice for 56¢.
Now Todd has .
6. Marie takes 22¢ from her coin bank. Now she has 49¢ left. How much money did she start with?
Problem SolvingProblem Solving
PW71 Practice
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Name Lesson 11.3
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Mixed Strategy PracticeMixed Strategy Practice
Strategy • Predict and TestProblem Solving Strategy PracticeProblem Solving Strategy Practice
Make a prediction and check it to solve.
1. Dee has 68¢. Which two toys can she buy?
2. Terry has 91¢. Which two toys can he buy for exactly that amount?
3. Diego has 7 nickels and 15 dimes. How many coins does Diego have in all?
coins
4. Elsa has 32 pennies. Paul has 29 pennies. How many pennies do they have in all? pennies
52¢
lion19¢
39¢
elephant63¢
alligator giraffe
Choose a Strategy
• Predict and Test• Make a Model• Draw a Picture
Choose a strategy to solve.
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PW72 Practice
Name Lesson 11.4
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Problem SolvingProblem Solving
One DollarCircle coins to make $1.00.Cross out the coins you do not use.
1.
2.
3.
4. Keisha has $1.00 in her bag.
She has 2 of one kind of coin.She has 1 of another kind of coin.Draw the coins she has.
PW73 Practice
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Name Lesson 11.5
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Problem SolvingProblem Solving
Make Change to $1.00
Count on from the price to find the change.
1. You have
You buy
, ,
Your change is .
2. You have
You buy
, ,
Your change is .
3. You have
You buy
, ,
Your change is .
4. You have
You buy
, ,
Your change is .
5. Meg buys a pencil for 60¢. She pays
with 3 coins and gets 15¢ change. Draw the 3 coins Meg used to buy the pencil.
38¢pencil
notepad
53¢
centimeters
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
ruler
70¢
85¢ 90¢ $1.00
16¢
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chalk84¢
PracticePW74
Name Lesson 11.6
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Identify Solid Figures
Circle the objects that have the same shape.Cross out the objects that do not belong.Name the solid figures you circled.
1.
2.
3.
4.
5. Jane drew a solid figure. It is not a cube.It is not a cylinder. Circle the figure Jane drew.
sphererectangular
prism pyramid cylinder cube cone
13 2
Use the solid figures to help you remember.
cube
Problem SolvingProblem Solving
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PW75 Practice
Name Lesson 12.1
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Hands On: Sort Solid Figures
Write yes or no to tell about the surfaces of each object.
Objectfl at
surfacescurved
surfaces
both fl at and curved
surfaces
1.
2.
3.
4.
5.
6.
Find the figure that answers the riddle. Then write the name of the figure.
7. I have only a curved surface. Circle me. Which shape am I ?
8. I have only flat surfaces. Draw an X through me. Which shape am I?
13 2
no noyes
Problem SolvingProblem Solving
PW76 Practice
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Name Lesson 14.2Name Lesson 12.2
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Hands On: Attributes of Solid FiguresUse solid figures. Complete the table. Write how many.
solid fi gure
1. 2. 3. 4.
faces
edges
vertices
5. Wen has two different solid figures. Each solid figure has the same number of edges. What solids does Wen have?
6. Clark has 2 solid figures. His figures have 10 faces in all. What solids does Clark have?
rectangular prism
cubepyramid
rectangularprism
face
edge
vertex
6
12
8
Problem SolvingProblem Solving
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PW77 Practice
Name Lesson 12.3
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Hands On: Make Plane Shapesfrom Solid FiguresUse solid figures.Circle the solid figure the faces make.
1.
pyramid cube cylinder
2.
rectangular cone cubeprism
3.
pyramid sphere cube
4.
rectangular pyramid cubeprism
Circle the solid figure that this will make if you fold it and tape it together.
5.
Problem SolvingProblem Solving
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Name Lesson 14.5Name Lesson 12.4
PW78 Practice
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Strategy • Make a Table
Problem Solving Strategy PracticeProblem Solving Strategy Practice
Name and complete the table. Then add to solve.
1. Tasha is making three pyramids. How many triangles does she need to make these three figures?
Tasha needs triangles.
2. Andy is making three cubes. How many squares does he need to make these three figures?
Andy needs squares.
Mixed Strategy PracticeMixed Strategy PracticeChoose a strategy to solve.
3. Juanita wants to make five cylinders. How many circles will she need to make these five solid figures?
Juanita will need circles.
Choose a Strategy
• Make a Table
• Draw a Picture
• Make a List
PW79 Practice
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Name Lesson 12.5
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Identify Plane Figures
Color the figures. triangle square circle rectangle
Problem SolvingProblem Solving
9. 10.
— rectangles
Trace the figures. Write how many.
1. Color the rectangles gray.
2. Color the triangles red.
3. Color the circles green.
4. Color the squares yellow.
5. Color the triangles orange.
6. Color the squares pink.
7. Color the rectangles purple.
8. Color the circles brown.
— triangles
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Practice
Name Lesson 13.1
PW80
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Sort Plane FiguresWrite a title to describe each group of plane figures.
1. 2.
3. 4.
Write true or false for each sentence.
5. A rectangle has fewer than 4 vertices.
6. A square has 4 sides and 4 vertices.
7. A triangle has more than 2 vertices.
8. A rectangle has 3 sides and 4 vertices.
Problem SolvingProblem Solving
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PracticePW81
Name Lesson 13.2
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Combine Plane Figures
Use pattern blocks. Combine sides of figures tomake a new figure. Trace the new figure.
1. 2.
3. 4.
5. Circle a figure you can make using , , and .
Problem SolvingProblem Solving
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Name Lesson 13.3
PracticePW82
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Separate Plane Figures
Use paper figures. Fold to make three new figures.Cut along the folds. Trace the new figures. 1.
2.
3.
4.
5. Jeff wants to make a plane figure. He uses 2 colors of pattern blocks. Draw and color a figure that Jeff could make.
Problem SolvingProblem Solving
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Name Lesson 13.4
PracticePW83
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Problem Solving Strategy: Use Logical Reasoning
Use logical reasoning to solve.Cross out the figures that do not fit the information.Circle the figure that answers the question.
1. I am a plane figure. I have 3 vertices.Which figure am I?
2. I am a plane figure. I have more than 3 sides. I have fewer than 5 vertices. Which figure am I?
Mixed Strategy PracticeMixed Strategy PracticeChoose a strategy to solve.
3. Sheila has 2 quarters and 1 dime. Her sister gives her 3 nickels and a penny. How much money does Sheila have now?
¢ 4. Doris has 3 pennies and 5
nickels. Her sister gives her some quarters. Now she has 12 coins in all. How many quarters did her sister give her?
quarters
Choose a StrategyChoose a Strategy• Use Logical Reasoning• Draw a Picture• Act it Out
Practice
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Name Lesson 13.5
PW84
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Congruent FiguresDraw a figure congruent to the figure shown. 1. 2.
3. 4.
5. Cross out the figures that are not congruent to the gray figure.
Problem SolvingProblem Solving
Practice
Name Lesson 13.6
PW85
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Problem SolvingProblem Solving
7. Randy and three friends want to share a sandwich equally. Draw lines to show how the sandwich should be divided.
Equal Parts
Write how many equal parts. Then write if these parts are halves,
thirds, or fourths.
1.
equal parts
2.
equal parts
3.
equal parts
4. Which shapes are divided into halves? Color them red.
5. Which shapes are divided into fourths? Color them yellow.
6. Which shapes are not divided into equal parts? Draw an X on them.
3 thirds
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PW86
Name Lesson 14.1
Practice
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Unit Fractions
Write how many equal parts there are.Write the fraction that names the shaded part.
1.
equal parts
of the whole is shaded
2.
equal parts
of the whole is shaded
Color one part green.Write the fraction that names the green part.
3. 4. 5.
6. 7. 8.
9. Cassie is making a quilt.
She colors 1 _ 4 of the quilt
gray. Circle the picture
that could be her quilt.
Problem SolvingProblem Solving
1
6
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PW87 Practice
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Problem SolvingProblem Solving
Compare Unit Fractions
Color the fraction strips to show the fractions.Compare. Circle the greater fraction.
1. 1 _ 6
1 _ 3
2. 1 ___
10
1 _ 2
3. 1 _ 4
1 ___
12
4. 1 _ 8
1 _ 3
5. Maria has a slice of pizza that is 1 _ 6 of the pizza. Ben has a slice of pizza that is 1 _ 3 of the pizza. Maria’s slice is bigger. Draw pizzas to show how this is possible.
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Name Lesson 14.3
PW88 Practice
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Problem Solving Strategy: Make a Model
Shade to make a model. Then solve.
1. Two banners are the same size. Mae paints 1 _ 4 of one banner. Sally paints 1 _ 6 of the other. Who paints more banner?
2. Two apples are the same size. Pauline eats 1 _ 4 of one apple. Margie eats 1 _ 3 of the other. Who eats more apple?
3. Two sandwiches are the same size. Bo eats 1 _ 4 of one sandwich. Kate eats 1 _ 2 of the other. Who eats more sandwich?
4. Two hot dogs are the same size. Amy eats 1 _ 3 of one hot dog. Jane eats 1 _ 6 of the other. Who eats more hot dog?
banner
apple
sandwich
hot dog
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Name Lesson 14.4
PW89 Practice
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Color the pictures to solve.
10. Jack colored 2 _ 3 of his poster.Marin wants to color the same amount of her poster. How many parts of her poster should Marin color?
parts
Other Fractions
Write the fraction for the shaded part of the whole.
1. 2. 3.
Color to show the fraction.
4. 4 _ 8 5. 2 _ 6 6. 3 _ 4
7. 2 _ 3 8. 1 _ 2 9. 7 __ 10
b
_
b
b
_
b
Jack’s
poster
Marin’s
poster
b
_
b
Problem SolvingProblem Solving
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Name Lesson 14.5
PW90 Practice
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Fractions Equal to 1
Count the equal parts. Write a fraction for the whole.
1.
= 1 whole
2.
= 1 whole
Write a fraction for the shaded part.
3. 4.
5. 6.
7. Trent made 2 pizzas that are the same size.He cut one pizza into 3 equal parts. He cutthe other pizza into 8 equal parts. Write a fraction for each whole pizza.
b
_
b
b
_
b
b
_
b
b
_
b
b
_
b
b
_
b
b
_
b
b
_
b
Problem SolvingProblem Solving
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Name Lesson 14.6
PW91 Practice
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Problem SolvingProblem Solving
5. Ellie has 3 muffins that are the same size. She divides each muffin into fourths. What fraction names the amountof muffin she has in all?
Fractions Greater Than 1
Write the fraction.
1. There are 7 children. Each child has 1 _ 4 of a waffle. What fraction names the amount of waffle the children have in all?
2. There are 7 children. Each child has 1 _ 6 of a pizza. What fraction names the amount of pizza the children havein all?
3. There are 5 children. Each child has 1 _ 3 of an apple. What fraction names the amount of apple the children have in all?
4. There are 9 children. Each child has 1 _ 6 of a melon. What fraction names the amount of melon the children have in all?
b
_
b
b
_
b
b
_
b
b
_
b
b
_
b
7
4
14
14
14
14
14
14
14
1
3
13
1
31
3
1
3
1
6
1
6 1
6
1
6
1
6
1
6
1
6
1
6
1
6
16
16
16
16
16
16
16
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Practice
Name Lesson 14.7
PW92
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Equal Parts of a Group
Circle to show equal parts. Then write if the gray part is one half, third, or fourth of the group.
1. 2 equal parts
One of the group is gray.
2. 3 equal parts
One of the group is gray.
3. 4 equal parts
One of the group is gray.
4. 2 equal parts
One of the group is gray.
5. Cleo has 8 flowers. One fourth of her flowers are blue. Draw Cleo’s flowers.
Problem SolvingProblem Solving
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Name Lesson 15.1
PW93 Practice
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7. Some marbles are in a sack. 1 _ 8 of the marbles are green. Draw a picture to show the marbles in the sack.
Unit Fractions of a Group
Circle to show equal parts. Color to show the fraction.
1. 2 equal parts
2. 3 equal parts
3. 5 equal parts
4. 4 equal parts
5. 6 equal parts
6. 12 equal parts
Problem SolvingProblem Solving
1
_ 3
1
_ 4
1
_ 6
1
_ 5
1 ___ 12
1
_ 2
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PW94 Practice
Name Lesson 15.2
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Other Fractions of a Group
What fraction of the group are gray?What fraction of the group are black?
1.
_
of the group are gray.
_
of the group are black.
2.
_
of the group are gray.
_
of the group are black.
3.
_
of the group are gray.
_
of the group are black.
4. Lydia has 4 green buttons, 4 red buttons, and 4 blue buttons. What fraction of her buttons are green?
of the buttons are green.
5. Mark has 2 blue blocks, 2 red blocks, 2 green blocks and 2 white blocks. What fraction of his blocks are not blue?
of the blocks are not blue.
2
3
_
_
Problem Solving Draw a picture to solve, if you need to.
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PW95 Practice
Name Lesson 15.3
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Shade the squares to make a model. Write is greater than or is less than.
Problem Solving Strategy: Make a Model
1. Greg and Jeff each have 5 hats. 2 _ 5 of Greg’s hats are gray. 4 _ 5 of Jeff’s hats are gray. Who has more gray hats? 2_
54_5 .
has more gray hats. 2. Lucy and Alix each have
6 ribbons. 3 _ 6 of Lucy’s ribbons are pink. 2 _ 6 of Alix’s ribbons are pink. Who has more pink ribbons? 3_
62_6 .
has more pink ribbons. 3. Cam and Bo each have 8
crayons. 5 _ 8 of Cam’s crayons are red. 6 _ 8 of Bo’s crayons are red. Who has morered crayons?
5_8
6_8 .
has more red crayons.
4. Roy and Liz each have 5 grapes. 4 _ 5 of Roy’s grapes are green. 3 _ 5 of Liz’s grapes are green. Who has more green grapes?
4 _ 5
3 _ 5
.
has more green grapes.
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is less than
Jeff
PW96 Practice
Name Lesson 15.4
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HundredsWrite how many hundreds. Then writehow many tens. Write the number.
REMEMBER:
�
1 hundred � 10 tens
4 — hundreds � 40 — tens
400 —
— hundreds � — tens
—
— hundreds � — tens
—
— hundreds � — tens
—
— hundreds � — tens
—
Problem SolvingProblem Solving
6. Luis has 600 cubes. He wants to make sticks of 10 cubes. How many can he make?
— sticks of 10 cubes
7. Nava has 30 sticks of 10 cubes. How many cubes does she have in all?
— cubes
1.
2.
3.
4.
5.
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Name Lesson 16.1
PW97 Practice
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Problem SolvingProblem Solving
5. I have 8 ones, 3 tens, and 1 hundred. What number am I?
—
6. I have 6 ones, 1 ten, and 4 hundreds. What number am I?
—
Hundreds, Tens, and OnesWrite how many hundreds, tens, and ones. Then write the number.
1.
236 —
—
—
—
2.
3.
4.
hundreds tens ones
2 3 6
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hundreds tens ones
hundreds tens ones
hundreds tens ones
Name Lesson 16.2
PW98 Practice
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Understand Place Value
Circle the value of the gray digit.
2. 617426
400 40 4 1 10 100
256
2 20 200
795
900 90 9
518
8 80 800
536
300 30 3
417
4 40 400
120
200 20 2
803
800 80 8
689
9 90 900
380
300 30 3
Problem SolvingProblem Solving
12. Dinah is making a Venn diagram.Where should she write the othernumbers in the diagram?
Numbers with a
3 in the Ones Place
Numbers with a
6 in the Hundreds Place
153
153649673783613602
1.
3. 4. 5.
6. 7. 8.
9. 10. 11.
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Name Lesson 16.3
PW99 Practice
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Read and Write 3-Digit Numbers
Read the number. Write the number in different ways.
1.
2.
3. nine hundred sixty-one
—
5. 600 � 70 � 5
—
three hundred fifty-six
3 — hundreds 5 — tens 6 — ones
300 — � 50 — � 6 —
356 —
five hundred twenty-nine
— hundreds — tens — ones
— � — � —
—
Write the number another way.
4. 581
—
6. 4 hundreds 9 tens 0 ones
—
Problem SolvingProblem Solving
7. Chloe has all of these blocks.Circle blocks that she could useto show four hundred seventeen. ©
Har
cour
t
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Name Lesson 16.4
PW100 Practice
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Different Ways to Show Numbers
Use .Write how many hundreds, tens, and ones.
1. 325
3 — hundreds 1 — tens 15 — ones — hundreds — tens — ones
2. 413
— hundreds — tens — ones — hundreds — tens — ones
3. 562
— hundreds — tens — ones — hundreds — tens — ones
Problem SolvingProblem Solving
4. How many tens are needed to show 160? Circle them.
— tens
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Name Lesson 16.5
PW101 Practice
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Skill • Make Reasonable EstimatesCircle the better estimate.
1. Each one of Matt’s brothers and sisters is wearing 2 socks. About how many socks might they be wearing in all?
about 10 socks
about 100 socks
2. Eliza carries some books to the library. About how many books might she be carrying?
about 6 books
about 60 books
3. There are 5 second grade classes in Rajae’s school. About how many children might be in second grade?
about 1,000 children
about 100 children
4. Diana puts some oranges into a bag. About how many oranges might she put into the bag?
about 8 oranges
about 80 oranges
5. Trent fills a jar with pennies. About how many pennies might be in the jar?
about 30 pennies
about 300 pennies
sock
book
children
orange
penny
PW102 Practice
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Name Lesson 16.6
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Count Bills and CoinsCount on. Write the amount.
1. Julio has 3 quarters, 1 nickel, and 1 penny. How much money does he have?
2. Van has 3 dollar bills, 3 dimes, and 2 pennies. How much money does he have?
3. Cassandra has 2 dollar bills, 2 quarters, and 1 dime. How much money does she have?
REMEMBER:Use a dollar sign ($) and a decimal point (.) to write
money amounts.
HINT:If there are no dollars, write 0.
2.97$ $1.82
¢63 30¢
Problem SolvingProblem Solving
4. Jim made these price tags. Cross out the prices that have the $ or the ¢ in the wrong place.
$0.81
Practice
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Name Lesson 16.7
PW103
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Strategy • Make a Model
Use bills and coins to make a model.
1. Raji has 2 dollar bills, 1 quarter, 3 dimes, and 1 nickel. He wants to buy a ball that costs $1.35.
Draw two ways that he can pay the exact amount.
2. Dakota has 2 dollar bills, 4 quarters, 2 dimes, and 1 nickel. She wants to buy a card that costs $2.75.
Draw two ways she can pay the exact amount.
3. Kiran has 3 dollar bills, 1 quarter, 4 dimes, and 2 nickels. She wants to buy a kite that costs $3.50.
Draw two ways that she can pay the exact amount.
ball
card
kite
PW104 Practice
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Name Lesson 16.8
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Algebra: Compare Numbers: >, <, or =
Write is greater than, is less than,
or is equal to. Then write �, �, or �.
1. 2.
3. 4.
5. 6.
222 —
321.
222 C < 321 143 C 143
331 —
131.
331 C 131
205 —
210.
205 C 210
216 —
216.
216 C 216
140 —
137.
140 C 137
143 —
143.
REMEMBER:
Compare the hundreds first.
Problem SolvingProblem Solving
7. There are 700 red flowers and 600 yellow flowers in the garden.Show how to compare the number of red and yellow flowers.
— C —
is less than
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PracticePW105
Name Lesson 17.1
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13.
—
—
—
14.
—
—
—
Use Place Value to Compare Numbers
Compare. Write �, �, or �.
1.
873 C < 875
2.
426 C 526
3.
730 C 703
4.
298 C 298
5.
615 C 516
6.
304 C 334
7.
319 C 991
8.
431 C 432
9.
818 C 818
10.
793 C 739
11.
168 C 168
12.
329 C 239
Problem SolvingProblem Solving
Look at the pattern of shaded numbers. Use place value to describe how the numbers change.
PW106 Practice
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Name Lesson 17.2
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Compare Money Amounts
Write each amount.Then write who has the greater amount.
1.
$1.20
Skip’s money Who has the greater amount?
2. Tracy’s money Who has the greater amount?
3. Quiana’s money Who has the greater amount?
4. Dylan has 1 dollar bill, 2 dimes, and 2 pennies. Beata has 5 quarters. Katie has 1 dollar bill and 4 nickels. Who has the least amount of money?
Leah’s money
Chuck’s money
C.J.’s money
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Name Lesson 17.3
PW107 Practice
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Order Numbers
Compare the numbers. Write them in the correct order. Then write� or �.
Name Lesson 17.4
1.
2.
— C — C —greatestleast
Write the numbers in the correct order.Then write � or � .
3. 166 351 407
— C — C —
5. 873 972 274
— C — C —
4. 740 760 750
— C — C —
6. 552 255 525
— C — C —
greatest least
greatest least least greatest
— C < — C < —greatestleast
303 313 315
7. Write a number in the boxthat will make this true.
141 � b � 146
8. Write a number in the boxthat will make this true.
879 � b � 901
Problem SolvingProblem Solving
least greatest
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PracticePW108
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3. Of which flower are there the fewest in the garden?
— — —
4. Of which flower are there the most in the garden?
— — —
Skill • Read a Table
Use the table to answer the questions.
1. Compare. Are there more tulips or sunflowers in the garden?
396 — C > 349 —
There are more tulips —
in the garden.
2. Compare. Are there fewer daisies or roses in thegarden?
— C —
There are fewer — in the garden.
roses
daisies
sunflowers
tulips
lilies
412
418
349
396
420
5. Look at the number of lilies, tulips, and daisies. Write these numbers in order from greatest to least.
— C — C —
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PracticePW109
Name Lesson 17.5
MXECA09AWK2X_PH_C17_L5.indd Page 19 7/17/09 5:59:04 AM elhi-2MXECA09AWK2X_PH_C17_L5.indd Page 19 7/17/09 5:59:04 AM elhi-2 /Volumes/105/HMH0002/work%0/indd%0/Grade 2_PW/Ch17/MXECA09AWK2X_PH_C17_L5/Volumes/105/HMH0002/work%0/indd%0/Grade 2_PW/Ch17/MXECA09AWK2X_PH_C17_L5
Problem SolvingProblem Solving
13. There are 162 books about cats in the library. There are 462 books about dogs in the library. How many more books about dogs than books about cats are in the library?
more books about dogs
Mental Math: Add On Multiples of 100
Count on to add.
1. 432 � 300 � 2. 345 � 200 �
3. 218 � 500 � 4. 159 � 300 �
5. 439 � 200 � 6. 298 � 400 �
7. 371 � 300 � 8. 534 � 100 �
9. 659 � 200 � 10. 240 � 400 �
11. 175 � 300 � 12. 499 � 500 �
732
book
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Name Lesson 18.1
PW110 Practice
MXECA09AWK2X_PH_C18_L1.indd Page 19 7/17/09 5:41:42 AM elhi-2MXECA09AWK2X_PH_C18_L1.indd Page 19 7/17/09 5:41:42 AM elhi-2 /Volumes/105/HMH0002/work%0/indd%0/Grade 2_PW/Ch18/MXECA09AWK2X_PH_C18_L1/Volumes/105/HMH0002/work%0/indd%0/Grade 2_PW/Ch18/MXECA09AWK2X_PH_C18_L1
Problem SolvingProblem Solving
10. Circle the pairs of addends that you would regroup ones when you add.
119 485 348 236 326 133 332 751 526 284
Model 3-Digit Addition: Regroup Ones
Use workmat 5 and . Add.1. 2. 3.
4. 5. 6.
7. 8. 9.
B 5 1 6
� 3 4 8
___
B 3 1 9
� 4 2 3
___
B 3 4 8
� 6 4 1
___
B 4 6 5
� 1 1 7
___
B 6 2 7
� 2 5 9
___
B
1 5 2 4
� 1 3 7
___
6 6 1
Hundreds Tens Ones Hundreds Tens Ones Hundreds Tens Ones
Hundreds Tens Ones Hundreds Tens Ones Hundreds Tens Ones
B 5 4 6
� 3 4 9
___
B 2 4 9
� 5 3 4
___
B 3 5 4
� 1 3 2
___
Hundreds Tens Ones Hundreds Tens Ones Hundreds Tens Ones
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Name Lesson 18.2
PW111 Practice
MXECA09AWK2X_PH_C18_L2.indd Page 19 7/17/09 5:41:54 AM elhi-2MXECA09AWK2X_PH_C18_L2.indd Page 19 7/17/09 5:41:54 AM elhi-2 /Volumes/105/HMH0002/work%0/indd%0/Grade 2_PW/Ch18/MXECA09AWK2X_PH_C18_L2 /Volumes/105/HMH0002/work%0/indd%0/Grade 2_PW/Ch18/MXECA09AWK2X_PH_C18_L2
Problem SolvingProblem Solving
Model 3-Digit Addition: Regroup Tens
Use workmat 5 and . Add.
1. 2. 3.
4. 5. 6.
7. 8. 9.
B
1 B 4 9 3
� 2 7 6
___
7 6 9
Hundreds Tens Ones
B B
1 6 5
� 5 4 3
___
Hundreds Tens Ones
B B
5 8 4
� 3 5 2
___
Hundreds Tens Ones
B B
1 6 7
� 3 7 4
___
Hundreds Tens Ones
B B
5 7 2
� 2 6 3
___
Hundreds Tens Ones
B B
6 3 1
� 1 7 5
___
Hundreds Tens Ones
B B
3 3 5
� 4 9 6
___
Hundreds Tens Ones
B B
1 2 4
� 2 8 1
___
Hundreds Tens Ones
B
B 2 6 3
� 4 9 5
___
Hundreds Tens Ones
B
1 B
1 1 5 8
� 3 7 1
___
5 3 9
Hundreds Tens Ones
B
1 B
4 5 2
� 2 9 6
___
7 4 8
Hundreds Tens Ones
B
B
1 2 8 9
� 3 5 3
___
5 4 2
Hundreds Tens Ones
10. Circle the problem that was solved correctly.
Use Workmat 5 and if you need to.
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Name Lesson 18.3
PW112 Practice
MXECA09AWK2X_PH_C18_L3.indd Page PW112 7/17/09 5:42:05 AM elhi-2MXECA09AWK2X_PH_C18_L3.indd Page PW112 7/17/09 5:42:05 AM elhi-2 /Volumes/105/HMH0002/work%0/indd%0/Grade 2_PW/Ch18/MXECA09AWK2X_PH_C18_L3/Volumes/105/HMH0002/work%0/indd%0/Grade 2_PW/Ch18/MXECA09AWK2X_PH_C18_L3
Practice 3-Digit Addition
Add.
1
Problem SolvingProblem Solving
17. Chandra has 146 bear stickers. Daniela has double that many stickers. How manybear stickers do they have in all?
bear stickers
2.
641 � 78
_
1. 218
� 325
_
543
11.
532 � 235
_
3.
278 � 15
_
8.
374 � 27
_
5.
856 � 8
_
10.
608 � 82
_
9.
872 � 36
_
12.
795 � 67
_
15.
817 � 4
_
13.
289 � 55
_
16.
541 � 59
_
4.
492 � 347
_
6.
318 � 429
_
7.
1 95 � 513
_
14.
377 � 142
_
bear sticker
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PracticePW113
Name Lesson 18.4
MXECA09AWK2X_PH_C18_L4.indd Page 1 7/17/09 5:42:18 AM elhi-2MXECA09AWK2X_PH_C18_L4.indd Page 1 7/17/09 5:42:18 AM elhi-2 /Volumes/105/HMH0002/work%0/indd%0/Grade 2_PW/Ch18/MXECA09AWK2X_PH_C18_L4 /Volumes/105/HMH0002/work%0/indd%0/Grade 2_PW/Ch18/MXECA09AWK2X_PH_C18_L4
Problem SolvingProblem Solving
Estimate Sums
Estimate. Then add.
1. 230
� 380
_
2. 320
� 390
_
3. 280
� 220
_
4. 310
� 290
_
5. 370
� 390
_
6. 270
� 320
_
7. 210
� 370
_
8. 330
� 230
_
9. 380
� 290
_
200 210 230 250 270 290 310 330 350 370 390220 240 260 280 300 320 340 380 400360
346 221 395
283368
200
400
600
� � �
�
���
� �
10. Betsy chose two of these numbers to add together. She estimated the sum to be about 500. Write two numbers that she might have chosen.
and
610
1
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PW114 Practice
Name Lesson 18.5
MXECA09AWK2X_PH_C18_L5.indd Page PW114 7/17/09 5:42:30 AM elhi-2MXECA09AWK2X_PH_C18_L5.indd Page PW114 7/17/09 5:42:30 AM elhi-2 /Volumes/105/HMH0002/work%0/indd%0/Grade 2_PW/Ch18/MXECA09AWK2X_PH_C18_L5/Volumes/105/HMH0002/work%0/indd%0/Grade 2_PW/Ch18/MXECA09AWK2X_PH_C18_L5
Skill • Too Much InformationCircle the information you need. Draw a line through the information you do not need. Solve.
1. There are 54 snow monkeys in the zoo. There are 38 lions and 79 gibbon monkeys in the zoo. How many monkeys are in the zoo?
54 + 79
_
133
133 monkeys
2. There are 129 small dolphin toys and 145 large dolphin toys in a toy store. There are 112 small tiger toys. How many dolphin toys are in the store?
dolphin toys
3. There are 156 sheep sleeping in the meadow. There are 118 sheep playing and 135 sheep eating. How many sheep are sleeping or eating?
sheep
4. A zoo worker feeds 92 seals on Monday. She feeds 85 sea lions and 38 otters on Tuesday. How many animals does she feed on Tuesday?
animals
1
snow monkey
dolphin toy
sheep
seal
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Name Lesson 18.6
PW115 Practice
MXECA09AWK2X_PH_C18_L6.indd Page 19 10/08/2009 20:18:01 elhi-2MXECA09AWK2X_PH_C18_L6.indd Page 19 10/08/2009 20:18:01 elhi-2 /Volumes/105/HMH0002/work%0/indd%0/Grade 2_PW/Ch18/MXECA09AWK2X_PH_C18_L6/Volumes/105/HMH0002/work%0/indd%0/Grade 2_PW/Ch18/MXECA09AWK2X_PH_C18_L6
Mental Math: Subtract Multiples of 100
Count back to subtract.
1. 583 � 300 � 283 —
3. 719 � 200 � —
5. 528 � 400 � —
7. 460 � 200 � —
9. 932 � 500 � —
11. 583 � 300 � —
13. 309 � 200 � —
2. 821 � 400 � —
4. 394 � 200 � —
6. 672 � 300 � —
8. 809 � 500 � —
10. 629 � 200 � —
12. 744 � 400 � —
14. 486 � 400 � —
THINK: How many hundredsshould you count back?
Problem SolvingProblem Solving
15. Sari has 441 photographs. She gives someof the photographs to her sister. Now shehas 141 photographs. How manyphotographs does Sari give to her sister?
— photographs
photograph
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PW116 Practice
Name Lesson 19.1
MXECA09AWK2X_PH_C19_L1.indd Page 19 7/17/09 1:27:59 AM elhi-2MXECA09AWK2X_PH_C19_L1.indd Page 19 7/17/09 1:27:59 AM elhi-2 /Volumes/105/HMH0002/work%0/indd%0/Grade 2_PW/Ch19/MXECA09AWK2X_PH_C19_L1/Volumes/105/HMH0002/work%0/indd%0/Grade 2_PW/Ch19/MXECA09AWK2X_PH_C19_L1
Hands On: Model 3-Digit Subtraction:Regroup Tens
Use workmat 5 and . Subtract.1. 2. 3.
4. 5. 6.
7. 8. 9.
Hundreds Tens OnesHundreds Tens Ones
Problem SolvingProblem Solving10. Jill has some blue marbles and some red
marbles. She has 139 red marbles. Shehas 284 marbles in all. Does she have more blue marbles or red marbles?
marble
Hundreds Tens Ones
Hundreds Tens Ones Hundreds Tens Ones
Hundreds Tens Ones Hundreds Tens Ones
Hundreds Tens Ones
Hundreds Tens Ones
B B B
7
9
3
� 5 6 7 ___
B B B
5
9
1
� 3 2 4 ___
B B B
9
4
5
� 4 2 8 ___
B B B
8
5
9
� 7 3 5 ___
B B B
3
9
2
� 1 4 6 ___
B B B
4
5
4
� 2 1 7 ___
B B B
8
8
2
� 4 3 5 ___
B B B
5
4
8
� 2 2 9 ___
2 4 7
B B B
4
8
2
� 2 3 5 ___
7 12
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PW117 Practice
Name Lesson 19.2
MXECA09AWK2X_PH_C19_L2.indd Page 1 7/17/09 1:28:05 AM elhi-2MXECA09AWK2X_PH_C19_L2.indd Page 1 7/17/09 1:28:05 AM elhi-2 /Volumes/105/HMH0002/work%0/indd%0/Grade 2_PW/Ch19/MXECA09AWK2X_PH_C19_L2/Volumes/105/HMH0002/work%0/indd%0/Grade 2_PW/Ch19/MXECA09AWK2X_PH_C19_L2
Hundreds Tens Ones
Use workmat 5 and . Subtract.1. 2. 3.
4. 5. 6.
7. 8. 9.
B 4 B 13 B
/
5 /
3 6
� 1 8 4
___
3 5 2
Hands On: Model 3-Digit Subtraction:Regroup Hundreds
Hundreds Tens Ones
Hundreds Tens OnesHundreds Tens Ones
Hundreds Tens Ones
Hundreds Tens Ones
Hundreds Tens Ones
Hundreds Tens Ones
Hundreds Tens Ones
B B B
7
7
4
� 2 8 1
___
B B B
8
4
9
� 4 7 7
___
B B B
9
5
8
� 6 9 7
___
B B B
5
4
7
� 2 6 2
___
B B B
9
8
6
� 7 9 5
___
B B B
8
1
5
� 6 4 3
___
B B B
6
6
3
� 3 7 1
___
B B B
8
2
5
� 1 3 2
___
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PW118 Practice
Name Lesson 19.3
MXECA09AWK2X_PH_C19_L3.indd Page 1 7/17/09 1:27:31 AM elhi-2MXECA09AWK2X_PH_C19_L3.indd Page 1 7/17/09 1:27:31 AM elhi-2 /Volumes/105/HMH0002/work%0/indd%0/Grade 2_PW/Ch19/MXECA09AWK2X_PH_C19_L3/Volumes/105/HMH0002/work%0/indd%0/Grade 2_PW/Ch19/MXECA09AWK2X_PH_C19_L3
Practice 3-Digit Subtraction
Subtract.
1. 2. 529 � 36
_
3. 315
� 183
__
4. 872 � 644
_
5. 944 � 36
_
6. 725
� 153
__
7. 293 � 8
_
8. 567 � 259
_
9. 683 � 51
__
10. 417 � 283
_
11. 359 � 27
_
12. 495 � 68
_
13. 456 � 172
__
14. 339 � 42
_
15. 972 � 448
_
16. 784 � 559
_
Problem SolvingProblem Solving
17. There are 257 people on a train. At thefirst stop, 134 people get off the train.At the second stop, 46 people get offthe train. How many people do not getoff the train at the first or second stop?
peopletrain
754 �218
_
53 6
4 1 4
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Practice
Name Lesson 19.4
PW119
MXECA09AWK2X_PH_C19_L4.indd Page PW119 7/17/09 1:27:43 AM elhi-2MXECA09AWK2X_PH_C19_L4.indd Page PW119 7/17/09 1:27:43 AM elhi-2 /Volumes/105/HMH0002/work%0/indd%0/Grade 2_PW/Ch19/MXECA09AWK2X_PH_C19_L4/Volumes/105/HMH0002/work%0/indd%0/Grade 2_PW/Ch19/MXECA09AWK2X_PH_C19_L4
Add and Subtract Money
Add or subtract to solve.
1. Maria has 3 dollar bills and 1 quarter. She spends $1.35.
Now Maria has $1.90 — .
2. Jana has $5.37. Her sister gives her 3 quarters.
Now Jana has — .
3. Brett has 2 dollar bills, one quarter, and 2 dimes. He borrows 55¢ from Tim.
Now Brett has — .
4. Darla has 4 dollars and 3 dimes. She spends $1.12.
Now Darla has — .
$ 3 2
/ . 2 12
/ 5 - $ 1.3 5
$ 1.9 0
Problem SolvingProblem Solving
5. Tara buys an apple and a peach. She gives the clerk 2 dollar bills. How much change does Tara get?
— — —
Name Price
Price List
$0.40$0.50$0.65
orangeapplepeach
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PracticePW120
Name Lesson 19.5
MXECA09AWK2X_PH_C19_L5.indd Page 19 7/30/09 3:58:30 AM s-124MXECA09AWK2X_PH_C19_L5.indd Page 19 7/30/09 3:58:30 AM s-124 /Volumes/105/HMH0002/work%0/indd%0/Grade 2_PW/Ch19/MXECA09AWK2X_PH_C19_L5/Volumes/105/HMH0002/work%0/indd%0/Grade 2_PW/Ch19/MXECA09AWK2X_PH_C19_L5
Skill • Solve Multistep Problems
Do one step at a time. Add or subtract.
$ 1. 1 2 5
+ $ 2.45
$ 3.70
STEP 1 STEP 2
1. Cleo has $4.50. She buys a bracelet that costs $1.25 and a necklace that costs $2.45. How muchmoney doesshe have left?
bracelet
2. Kendra buys 2 cups of mango tea. Each cup costs $2.25. She also buys a snack that costs $1.75.How muchdoes shespend in all?
4. Colby has $6.55. She buys a beret that costs $4.70. How much more does she need to buy ascarf thatcosts $3.65?
beret
3. Darin and Jack each have $1.85. They buy a crepe to share for $2.50. How much money dothey havetogether now?
crepe
tea
—
—
—
—
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PracticePW121
Name Lesson 19.6
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Estimate Differences
Estimate. Then subtract.
1. 678
� 582
_
2.
687
� 515
_
3.
592
� 507
_
4. 697
� 618
_
5. 691
� 520
_
6.
685
� 568
_
7.
694
� 512
_
8.
597
� 509
_
9.
686
� 502
_
Problem SolvingProblem Solving
Use the number line above if you need to.
10. Alan made a subtraction problem with two of these numbers. He estimated the difference to be about 200. Which two numbers might he have used?
and
500 510 520 530 540 550 560 570 580 590 600 610 620 630 640 650 660 670 680 690 700
684 625
583 622
519
�
���
� � �
�
96
�
700
600
100
5 17
//
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PracticePW122
Name Lesson 19.7
MXECA09AWK2X_PH_C19_L7.indd Page 19 7/30/09 4:00:41 AM s-124MXECA09AWK2X_PH_C19_L7.indd Page 19 7/30/09 4:00:41 AM s-124 /Volumes/105/HMH0002/work%0/indd%0/Grade 2_PW/Ch19/MXECA09AWK2X_PH_C19_L7/Volumes/105/HMH0002/work%0/indd%0/Grade 2_PW/Ch19/MXECA09AWK2X_PH_C19_L7
Skip-Count Equal GroupsDraw equal groups. Skip-count to find how many in all. Write how many in all.
1. 4 groups of 3
, , ,
2. 3 groups of 2
, ,
3. 5 groups of 3
, , , ,
4. 3 groups of 6
, ,
Draw equal groups to solve. 5. Shayna has 3 baskets.
There are 6 balls of yarnin each basket. How many balls of yarn are there in all?
balls of yarn
3 6 9 12
12 in all
Problem SolvingProblem Solving©
Har
cour
t
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in all
in all
in all
Name Lesson 20.1
PW123 Practice
MXECA09AWK2X_PH_C20_L1.indd Page 19 8/13/09 12:25:51 AM elhi-2MXECA09AWK2X_PH_C20_L1.indd Page 19 8/13/09 12:25:51 AM elhi-2 /Volumes/105/HMH0002/work%0/indd%0/Grade 2_PW/Ch20/MXECA09AWK2X_PH_C20_L1/Volumes/105/HMH0002/work%0/indd%0/Grade 2_PW/Ch20/MXECA09AWK2X_PH_C20_L1
Connect Addition to MultiplicationDraw equal groups. Write the addition sentence. Write the multiplication sentence.
1. 4 groups of 3
3 � 3 � 3 � 3 � 12
2. 2 groups of 5
� �
3. 5 groups of 2
� � � � �
Write a number sentence that matches each picture. Use multiplication if you can.
4.
5.
4 3 12
Problem SolvingProblem Solving
� �
� �
� �
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Name Lesson 20.2
PracticePW124
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5 153
Problem SolvingProblem Solving
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Name Lesson 20.3
PW125 Practice
Algebra: Model with Arrays
Use . Color the array to show how many.Write the multiplication sentence.
1. 5 rows of 3
� �
2. 2 rows of 6
� �
3. 3 rows of 6
� �
4. 6 rows of 4
� �
5. 3 rows of 3
� �
6. 5 rows of 5
� �
7. Make an array that shows a rectangle. Write the number sentence.
� �
8. Make a different array that is not a rectangle. Write the number sentence.
� �
MXECA09AWK2X_PH_C20_L3.indd Page 19 7/17/09 12:19:58 AM elhi-2MXECA09AWK2X_PH_C20_L3.indd Page 19 7/17/09 12:19:58 AM elhi-2 /Volumes/105/HMH0002/work%0/indd%0/Grade 2_PW/Ch20/MXECA09AWK2X_PH_C20_L3/Volumes/105/HMH0002/work%0/indd%0/Grade 2_PW/Ch20/MXECA09AWK2X_PH_C20_L3
4
Multiply in any order. The product is the same.
2
Algebra: Multiply in Any Order
Write how many.Write the multiplication sentence.
1.
rows of rows of � � � �
2.
rows of rows of � � � �
Problem SolvingProblem Solving
3. How many different arrays can you make with 12 ?Color the grids to show your work.
� � � � � � � �
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Name Lesson 20.4
PW126 Practice
MXECA09AWK2X_PH_C20_L4.indd Page 19 7/31/09 4:17:46 AM s-080MXECA09AWK2X_PH_C20_L4.indd Page 19 7/31/09 4:17:46 AM s-080 /Volumes/105/HMH0002/work%0/indd%0/Grade 2_PW/Ch20/MXECA09AWK2X_PH_C20_L4/Volumes/105/HMH0002/work%0/indd%0/Grade 2_PW/Ch20/MXECA09AWK2X_PH_C20_L4
Problem Solving Strategy Practice: Write a Number Sentence
Draw a picture to solve.Write a number sentence. 1. Mario has 7 boxes. He puts 2
erasers in each box. How many erasers are there in all?
erasers C C
2. There are 9 girls on the playground. There are 8 boys on the playground. How many children are on the playground?
children C C
Mixed Strategy Practice Mixed Strategy Practice
Choose a strategy to solve. 3. Jenna has 3 quarters, 2 nickels
and 4 pennies. She buys some juice for 63¢. How much money does she have left?
4. Benson is thinking of a number. His number is even. It is greater than 16 and less than 20. What number is Benson thinking of?
eraser
children
Choose a Strategy
• Write a Number Sentence• Draw a Picture• Use Logical Reasoning
Name Lesson 20.5
PW127 Practice
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shirt
You can multiply in any order. The product is the same
� �
Multiply with 2
Skip-count by twos to find the product. 1.
8 � 2 � 16
2.
7 � 2 �
3.
9 � 2 �
Write the product.
4. 5 � 2
_
5. 2 � 4
_
6. 2 � 7
_
7. 2 � 3
_
8. 6 � 2
_
9. 3 � 2
_
10. 2 � 6
_
11. 2 � 8
_
12. 2 � 5
_
13. 2 � 9
_
14. 2 � 7
_
15. 4 � 2
_
16. 2 � 6
_
6 � 2
_
17. 7 � 2
_
2 � 7
_
18. 2 � 5
_
5 � 2
_
19. 2 � 8
_
8 � 2
_
Problem SolvingProblem Solving 20. Devorah has 2 baskets. She
puts 6 shirts into each basket. How many shirts does she put in the baskets?
shirts
Name Lesson 20.6
PW128 Practice
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35
You can multiply in any order. The product is the same.
triangle pentagon
Multiply with 5
Skip-count by fives to find the product.
1.
7 � 5 �
2.
9 � 5 �
3.
8 � 5 �
Write the product.
4. 2 � 5
_
5. 6 � 5
_
6. 4 � 5
_
7. 5 � 1
_
8. 5 � 3
_
9. 5 � 5
_
10. 5 � 8
_
11. 3 � 5
_
12. 5 � 7
_
13. 5 � 9
_
14. 5 � 4
_
15. 5 � 2
_
16. 9 � 5
_
5 � 9
_
17. 6 � 5
_
5 � 6
_
18. 2 � 5
_
5 � 2
_
19. 5 � 7
_
7 � 5
_
Problem SolvingProblem Solving 20. A pentagon has 5 vertices. A triangle has
3 vertices. Are there the same number of vertices in 5 triangles as there are in 3 pentagons?
Name Lesson 20.7
PW129 Practice
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50
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Multiply with 10
Skip-count by tens to find the product. 1.
5 rows of 10
5 � 10 �
2.
6 rows of 10
6 � 10 �
3.
7 rows of 10
7 � 10 �
Write the product.
4. 10 � 4
_
5. 6 � 10
_
6. 5 � 10
_
7. 3 � 10
_
8. 4 � 10
_
9. 10 � 8
_
10. 10 � 7
_
11. 10 � 1
_
12. 10 � 8
_
13. 10 � 6
_
14. 10 � 3
_
15. 10 � 10
_
Problem SolvingProblem Solving
Write a multiplication sentence to tell how many cents in all.
16.
cents
Name Lesson 20.8
PW130 Practice
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0
0X 1 2 3 4 5 6 7 8
2
2 5
4 6 8 10 12 16 18
6 15
8
5 10 15 25 30 35 40 45
12 30
35
16 40
18 45
1
2
3
4
5
6
7
8
9
10
20
30
40
50
60
70
80
90
10
14
20
20
14
9
10 20 30 40 50 60 70 80 9010
20
The product is found where the row and column meet.
Use a Multiplication Table
Use the multiplication table to find the product.
1. 5 � 4
_
2. 7 � 2
_
3. 10 � 3
_
4. 6 � 10
_
5. 8 � 5
_
6. 2 � 3
_
7. 5 � 9
_
8. 2 � 5
_
9. 10 � 1
_
10. 6 � 5
_
11. 2 � 10
_
12. 6 � 2
_
13. 5 � 5
_
14. 10 � 4
_
15. 10 � 8
_
16. 5 � 10
_
17. 7 � 5
_
18. 9 � 2
_
19. 2 � 8
_
20. 7 � 10
_
21. 5 � 3
_
Problem SolvingProblem SolvingWrite a multiplication sentence to tell how many water bottles there are in all.22.
water bottles
Name Lesson 20.9
PW131 Practice
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Size of Shares Use Workmat 6 and . Draw to show your work.Write how many in each group.
1. Divide 12 into 3 equal groups.
in each group
2. Divide 8 into 4 equal groups.
in each group
3. Divide 10 into 2 equal groups.
in each group
4. Divide 14 into 2 equal groups.
in each group
5. Divide 18 into 3 equal groups.
in each group
6. Divide 15 into 5 equal groups.
in each group
7. Mr. Carr divides 6 meatballs into 3 bowls.He wants to have 3 meatballs in each bowl. How many more meatballs does he need?
more meatballs
4
Problem SolvingProblem Solving
Name Lesson 21.1
PW132 Practice
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Number of Equal Shares Use . Draw to show your work.Write how many equal groups.
1. Divide 8 into groups of 2.
groups
2. Divide 15 into groups of 5.
groups
3. Divide 14 into groups of 2.
groups
4. Divide 20 into groups of 4.
groups
Use . Draw to show your work.
5. Mrs. Rodriguez takes 5 children to thefair. She has $12. She wants to give each child some money for rides. Can she give each child $3?
4
Problem SolvingProblem Solving
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Name Lesson 21.2
PracticePW133
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Equal Shares with Remainders
Use Workmat 6 and . Draw to show your work. Write how many groups and the remainder.
1. Divide 10 into groups of 4.
groups
remainder
2. Divide 13 into groups of 3.
groups
remainder
3. Divide 12 into groups of 6.
groups
remainder
4. Divide 15 into groups of 4.
groups
remainder
5. Barry has 11 toy cars. He gives some of his friends 3 cars each. He has 2 cars left over. How many friends get cars?
friends
2
2
Problem SolvingProblem Solving
Name Lesson 21.3
PW134 Practice
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Connect Subtraction to Division Use a number line. Count back by equal groups.Write how many times you subtracted.
1. Divide 10 into equal groups of 2. 10 � 2 �
2. Divide 14 into equal groups of 7. 14 � 7 �
3. Divide 18 into equal groups of 6. 18 � 6 �
4. Divide 12 into equal groups of 3. 12 � 3 �
Write a number sentence to show your answer. 5. A ribbon is 15 feet long.
Mr. Yates cuts pieces that are 3 feet long to give to some children. How many children get pieces of the ribbon?
children
2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 1810
2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 1810
2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 1810
2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 1810
5
Problem SolvingProblem Solving
� �
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Name Lesson 21.4
PW135 Practice
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Strategy • Write a Number Sentence
Draw a picture to solve. Then write a number sentence.
1. There are 16 children in Mrs. McGraw’s class. They form 2 lines, with the same number in each line. How many children are in each line?
children C C
2. Zoe has 12 pennies. She puts them in equal stacks. There are 3 pennies in each stack. How many stacks does she make?
stacks C C
3. Benny plants 18 seeds in rows. He plants 6 seeds in each row. How many rows of seeds does he plant?
rows C C
4. Kai has 15 baseball cards. He puts his cards into 5 equal groups. How many baseball cards are in each group?
baseball cards C C
child
penny
8 16 @ 2 = 8
seed
baseball card
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Name Lesson 21.5
PW136 Practice
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Measure Length with Nonstandard Units
Use . Measure the real object.
1.
2.
3.
4.
Choose two objects. Estimate the length of each by comparing them to the objects you have just measured.
5. Object:
Estimate: about cubes
Measure: about cubes
6. Object:
Estimate: about cubes
Measure: about cubes
Find the object. Measure.
pencil
about cubes
folder
about cubes
tape
about cubes
glue
about cubes
Problem SolvingProblem Solving
PW137 Practice
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Name Lesson 22.1
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Compare Nonstandard Units
Measure the length of the real object with paper clips and with straws.
1.
desk
about paper clips
about straws
2.
book
about paper clips
about straws
3.
doorway
about paper clips
about straws
4. This rope is about 12 beads long. About how many paper clips long is the rope?
about paper clips
Units of Measure
straw paper clip
Problem SolvingProblem Solving
Name Lesson 22.2
PW138 Practice
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PW111 Practice
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Name Lesson 17.2
National
Measure to the Nearest Inch
Measure the length to the nearest inch.
1.
Measure: about inches
2.
Measure: about inches
3.
Measure: about inches
4.
Measure: about inches
5. Use the 1-inch mark. Estimate the length of each ribbon.
black ribbon: about inches
white ribbon: about inches
REMEMBER:Line up one end of
the object with the zero mark on the ruler.
1 inch
Estimates:
Problem SolvingProblem Solving
PW139 Practice
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Name Lesson 22.3
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Problem Solving Skill: Make Reasonable Estimates
1. The toy train is about 6 inches long. Circle the best estimate for the length of the toy car.
1 inch 3 inches 4 inches
2. The leaf is about 4 inches long. Circle the best estimate for the length of the bug.
1 inch 2 inches 4 inches
3. The string is about 3 inches long. Circle the best estimate for the length of the bracelet.
3 inches 5 inches 7 inches
4. The yarn is about 2 inches long. Circle the best estimate for the length of the craft stick.
3 inches 4 inches 6 inches
Name Lesson 22.4
PW140 Practice
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Measure in Inches and Feet
Measure in inches. Then measure in feet.
Circle the better estimate.
3. stapler
about 7 inches
about 7 feet
4. poster
about 3 inches
about 3 feet
5. desk
about 2 feet
about 2 inches
6. chalk
about 4 feet
about 4 inches
Circle the best estimate.
7. About how long is a pencil?
about 6 inches
about 16 inches
about 6 feet
8. About how tall is a door?
about 17 feet
about 7 feet
about 7 inches
Find the real object. Measure.
1.
bulletin board
about inches
about feet
2.
teacher’s desk
about inches
about feet
Problem SolvingProblem Solving
Name Lesson 8.3
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PW141 Practice
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Name Lesson 22.5
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Name Lesson 17.5
National
Measure to the Nearest Centimeter
Measure the length to the nearest centimeter.
1.
Measure: about centimeters
2.
Measure: about centimeters
3.
Measure: about centimeters
4.
Measure: about centimeters
Use your measurements above to solve.
5. About how much longer is the pencil than the craft stick?
centimeters longer
6. If you put the marker and the chalk end to end, about how many centimeters long would they be together?
centimeters
Problem SolvingProblem Solving
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Name Lesson 22.6
PW142 Practice
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Problem SolvingProblem Solving
Hands On: Ounces and Pounds
1.
5. Find a pair of boots.
Measure the weight ofthe boots in ouncesand in pounds.
— ounces
— pounds
6. Find a set of dominoes.
Measure the weight of theset of dominoes in ouncesand in pounds.
— ounces.
— pounds.
Find the object. Choose theunit. Measure.
pencilounce
poundabout — —
dictionaryounce
poundabout — —
backpackounce
poundabout — —
eraserounce
poundabout — —
2.
3.
4.
PW143 Practice
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Name Lesson 23.1
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Problem SolvingProblem Solving
Hands On: Grams and Kilograms
1.
5. One nickel has a mass of about 5 grams.Marshall has some nickels in his pocketthat equal 20¢. Which is the better estimateof the mass of his coins? Circle it.
about 10 grams about 20 grams
Find the object. Choose theunit. Measure.
jumpropegram
kilogramabout — —
encyclopediagram
kilogramabout — —
rubber bandgram
kilogramabout — —
geoboardgram
kilogramabout — —
2.
3.
4.
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PW144 Practice
Name Lesson 23.2
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Problem SolvingProblem Solving
7. Abby is using a 1 cup container to fill thevase with water. The vase holds 8 cups.She will only fill the vase halfway. Howmuch water will be in the vase whenAbby is finished?
about 1 pint about 1 quart
Circle the better answer.
Hands On: Cups, Pints, Quarts, and Gallons
Circle the better unit of measure for thecapacity of the container.
1. juice glass 2. bathtub
cup gallon gallon pint
3. milk carton 4. pitcher
gallon pint cup quart
5. thermos 6. aquarium
cup quart gallon quart
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PW145 Practice
Name Lesson 23.3
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Problem SolvingProblem Solving
Hands On: Liters
Estimate how much the container can hold.
Circle more than 1 liter or less than 1 liter.
1. ladle 2. bucket 3. measuring cup
more than 1 liter more than 1 liter more than 1 liter
less than 1 liter less than 1 liter less than 1 liter
4. soap bottle 5. soup can 6. sink
more than 1 liter more than 1 liter more than 1 liter
less than 1 liter less than 1 liter less than 1 liter
7. Think about some containersin your classroom. Whatcontainer might hold morethan 1 liter? Draw and labelthe container.
—
Name Lesson 23.4
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PW146 Practice
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Circle the better estimate.
1. Fiona is pouring a glassof milk. About how muchmilk might she pour?
Skill • Make Reasonable Estimates
about 2 cups
about 20 cups
2. Charlie is holding abasketball. What mightthe weight of thebasketball be?
3. Molly wants to fill thebathtub with water. About how much water might it hold?
4. Henry picks up histrumpet to begin playing. What might the massof the trumpet be?
5. Adele makes a pitcher of fruit punch for her friends. About how much might the pitcher hold?
about 1 ounce
about 1 pound
about 1 liter
about 50 liters
about 2 grams
about 2 kilograms
about 2 quarts
about 20 quarts
Practice PW147
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Name Lesson 23.5
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Explore 1 Minute
About how long will it take? Circle the better choice.
1. walk the dogmore than 1 minute
less than 1 minute
2. kick a ballmore than 1 minute
less than 1 minute
3. snap your fingersmore than 1 minute
less than 1 minute
4. eat lunchmore than 1 minute
less than 1 minute
Problem Solving Problem Solving 5. Lexie drinks her juice in 30
seconds. Jill drinks her juice in 1 minute. Who takes less time to drink her juice?
6. Izzy solves 1 math problem in 10 seconds. She wants to solve 5 math problems. Will this take more than or less than 1 minute?
Name Lesson 24.1
PW148 Practice
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Time to 15 Minutes
Write the time in two ways.
1.
minutes after o’clock
2.
minutes after o’clock
3.
minutes after o’clock
4.
minutes after o’clock
Problem SolvingProblem Solving
Look at where the hour hand is pointing. About what time is it?
5. 6. 7.
: :
::
: : :
REMEMBER:
Count by fives.
8 9 10
11 12
7 6 5 4 3
2 1
1 30
30 1
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PW149 Practice
Name Lesson 24.2
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Problem SolvingProblem Solving
7. My hour hand points betweenthe 2 and the 3. My minutehand points to the 4.What time do I show?
Time to 5 Minutes
Use a to show the time.Then draw the minute hand.
1. 2. 3.
4. 5. 6.
8 9 10
11 12
7 6 5 4 3
2 1
:8
9 10
11 12
7 6 5 4 3
2 1
:
8:40 11:05 9:35
3:25 10:10 12:55
8 9 10
11 12
7 6 5 4 3
2 1
:
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PW150 Practice
Name Lesson 24.3
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3. 35 minutes after 9
minutes before
4. 55 minutes after 5
minutes before
Write the time in two ways.
1. 45 minutes after 6
minutes before
2. 50 minutes after 2
minutes before
Time Before the Hour
Problem SolvingProblem Solving
5. Deb gets home from schoolat 45 minutes after 3. Jackgets home from school at10 minutes before 4.Which classmate getshome from school first?
—
Draw hands on the clocks to show the times.
Deb getshome fromschool.
Jack getshome fromschool.
8 9 10
11 12
7 6 5 4 3
2 1
8 9 10
11 12
7 6 5 4 3
2 1
:
: :
:
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8 9 10
11 12
7 6 5 4 3
2 1
8 9 10
11 12
7 6 5 4 3
2 1
PW151 Practice
Name Lesson 24.4
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A.M. and P.M.
Write the time. Then circle A.M. or P.M.
1. make breakfast 2. do homework
3. play soccer 4. get ready for school
A.M. P.M. A.M. P.M.
A.M. P.M. A.M. P.M.
Problem SolvingProblem Solving
Look at Jeffrey’s camp schedule.For each time, write A.M. or P.M.
5.
breakfast
art
swimming
lunch
hiking
music
9:15
11:00
7:30 1:00
1:45
3:30
8 9 10
11 12
7 6 5 4 3
2 1
: :
: :
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PW152 Practice
Name Lesson 24.5
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Elapsed Time
Use a 8910
11 12
7 6 543
21
.Write how much time has passed.
1. Start
4:00 P.M.
Finish
6:00 P.M.
2. Start
1:00 A.M.
Finish
5:00 A.M.
3. Start
9:00 A.M.
Finish
2:00 P.M.
Write and show the times. Then circle A.M. or P.M.
4. Wesley starts reading at 6:15 P .M. He reads for 2 hours. At what time does he stop reading?
A.M. P.M.
8910
11 12
7 6 543
21
8910
11 12
7 6 543
21
8910
11 12
7 6 543
21
8910
11 12
7 6 543
21
8910
11 12
7 6 543
21
8910
11 12
7 6 543
21
: 8910
11 12
7 6 543
21
REMEMBER: The minute hand moves around the
clock once in 1 hour.
Start Finish
Problem SolvingProblem Solving
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Name Lesson 24.6
PW153 Practice
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Skill • Use a Table
Use the table to answer the questions. You may wish to use a 8
910
11 12
7 6 543
21
.
Museum Trip Schedule
Event Start Finish
bus ride 8:00 A.M. 10:00 A.M.
tour 10:00 A.M. 1:00 P.M.
lunch 1:00 P.M. 2:00 P.M.
gift shop 2:00 P.M. 3:00 P.M.
1. Byron’s class is going to the art museum. How long will it take to get there?
2. Mrs. Cole wants to buy some posters at the gift shop. How long will she have to pick them out?
3. Samantha wants to go on the museum tour. How long will the tour last?
4. Bridget brought her lunch from home. How long will she have to eat it?
5. Max wants to buy some lunch and a toy at the gift shop. How long will he have to do both?
2 hours
Name Lesson 24.7
PW154 Practice
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Days, Weeks, Months, and Years
Write more than,
less than, or the same as to complete the sentence.
1. Paige’s grandmother visited for 9 days.
This is 1 week.
2. Mia’s mom was away for 36 hours.
This is 1 day.
3. It took Josh 3 weeks to read his book.
This is 1 month.
4. Ali’s little sister is 16 months old.
This is 1 year.
5. Marley was at camp for 5 weeks. Kate was at camp for one month. Who was at camp for a greater amount of time?
6. Ben collected baseball cards for 1 year. Ethan collected baseball cards for 54 weeks. Who collected baseball cards for a greater amount of time?
Time Relationships
There are 24 hours in 1 day.There are 7 days in 1 week. There are about 4 weeks in 1 month. There are 12 months in 1 year. There are about 52 weeks in 1 year.
Problem SolvingProblem Solving
Name Lesson 24.8
PW155 Practice
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HSP
HSP
CALIF
ORNI
A
SPIRALREVIEW
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Name Week 1
Spiral ReviewSR1
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Spiral Review
Write the sum or difference.Write the numbers in the fact family.
1. 8 + 7 � 15 – 7 �
7 + 8 � 15 – 8 �
Circle the pattern unit.
2.
Use a . Show the time. Write the time.
3.
4.
Circle add or subtract. Write the number sentence.
5. Jack has 12 bananas. He eats 4 of them. How many are there now?
bananas
add subtract
6. Alice has 6 cherries. Todd brings 7 more. How many are there now?
cherries
add subtract
:
:
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Name Week 2
Spiral ReviewSR2
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Spiral Review
Follow the rule.Complete the table.
1. Rule: Add 6.
In Out
2345
Write the sum.
2. 5 3 � 7
3. 2 6 � 9
4. 2 7 � 8
5. 3 4 � 7
Write A, B, or C to show whichgroup each figure belongs.
A B C
6.
7.
8.
Circle the object you could trace to make each figure.
9.
10.
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Name Week 3
Spiral ReviewSR3
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Spiral Review
Complete the fact families.
1. 6
+ 7 +
– –
Sports We Like Total
Basketball 5
Football
7
Baseball 3
Use the tally chart to answer the questions.
2. How many children chose football?
children
3. Which sport did the fewest children choose?
Use the real object and .
Estimate. Then measure.
Object Estimate Measurement
4. about about
Count back to find the difference.
5. 5 � 2
6. 9 � 1
7. 7 � 2
8. 6 � 3
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Name Week 4
Spiral ReviewSR4
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Spiral Review
Make groups of ten.Use Workmat 3 and . Write how many tens and ones. Then write the number.
1.
tens ones
Use plane figures. Make a tally chart to solve.
Total
2
2. How many more circles are there than squares? more
Use the solid. Write the number of flat surfaces and corners.
3. A cube has flat surfaces.
4. A cube has corners.
Decide which operation to use. Then write the number sentence. Solve.
5. Jeremy has 8 crayons. He gives 3 crayons to Natalie. How many crayons does Jeremy have now?
crayons
Plane Figures
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Name Week 5
Spiral ReviewSR5
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Find the pattern. Complete the table to solve.
3. How many wheels are on 5 cars?
number of cars 1 2 3 4 5number of wheels 4 8 12
There are wheels on 5 cars.
Spiral Review
Write is greater than, is less than, or is equal to. Then write >, <, or =.
Use and the real object. Choose a unit to measure. Draw it. Estimate. Then measure.
4. Object Unit Estimate Measurement
about about
5. Neil bakes 12 muffins. He gives 4 of them away. How many muffins does Neil have left?
1. 47 63.
47 63
2. 28 23.
28 23
There are wheels on each car.
Draw a picture of the problem.Write the number sentence. Solve.
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Name Week 6
Spiral ReviewSR6
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Spiral Review
Write two ways to describe the meaning of the number.
1.
56 � tens ones
56 � �
Skip-count. Show the pattern on the hundred chart.
2. Count by twos. Color the squares red.
3. Count by fives. Circle the numbers.
Circle each cylinder.
4.
Use Workmat 11 and . If you can make a ten, regroup. Write how many tens and ones. Write the sum.
5. Add 34 and 9.
tens ones
1 2 3 4 5 6 7 8
11 12 13 14 15 16 17 19
21 22 23 24 25 26 28 29
31 32 33 34 35 37 38 39
41 42 43 44 46 47 48 49
51 52 53 55 56 57 58 59
61 62
72
64 65 66 67 68 69
71 73 74 75 76 77 78 79
9
20
30
40
50
60
70
80
10
18
27
36
45
54
63
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Week 7Name
Spiral ReviewSR7
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Spiral Review
Add. Regroup if you need to.
1. 13+ 28
2. 25+ 31
3. 79+ 11
4. 66+ 15
Use cubes to show the number as tens and ones. Draw what you built. Write even or odd.
5. 36
Cross off figures that do not match the clues. Circle the figure that is left.
6. This figure has straight sides. It has more than 3 sides. It has 4 corners. Which is the figure?
7. I have no curves. I have more than 5 corners. My sides are not all the same. Which figure am I?
Find the sums.
8. 4 + 7 =
7 + 4 =
9. = 0 + 4
= 0 + 7
10. 8 + 5 =
8 + 6 =
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Week 8Name
Spiral ReviewSR8
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Spiral Review
Break apart the addends. Find the sum.
Skip-count. Write the missing numbers. Write a rule for the pattern.
2.
Add the tens. � �
Add the ones. � �
How many in all? � �
So, 28 � 64 � .
1. 28 � 64 � ?
� � �
19, 23, 27, , Rule: Count by .
Cross out the paintings that do not match the clues. Circle the answer.
3. Sam paints a circle above a square. He paints a triangle to the left of the circle. Which painting is Sam’s?
Use the table to solve.
Points Scored in the GamePlayer Number of Points
Kim 16Terence 15
Joe 27
4. How many points did Kim and Terence score in all?
points
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Name Week 9
Spiral ReviewSR9
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Spiral Review
Subtract. Add to check.
1.
42� 8
�
Use cubes to show the number as tens and ones. Drawwhat you built. Write even or odd.
2. 27
Circle every shape that makes the statement true.
3. The is to the left of the .
4. The is above the .
Use the table to solve.
Crayons in a Box
Color Number of Crayons
red 32
blue 47
green 28
yellow 19
5. Alex takes 15 red crayons out of the box. How many red crayons are still in the box?
red crayons
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Name Week 10
Spiral ReviewSR10
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Spiral Review
Look at the difference in the box. Write � or � to make each sentence true.
3. Use the picture to complete the table. Then shade bars in the graph to show the data
Figures
Figure Number
circle
square
triangle
1. 60 � 20 � 40
60 � 17 40
60 � 22 40
2. 50 � 30 � 20
50 � 34 20
50 � 31 20
Use solids.
4. Circle each solid with both curves and flat surfaces.
Follow the rule.Complete the table.
5. Rule: Add 4
In Out
3579
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Name Week 11
Spiral ReviewSR11
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Find the difference.Complete the addition fact that can help.
4. 14 – 9 =
5. 13 – 6 =
Spiral Review
Use the pictograph.
2. How many children did not choose hockey?
children
Use a .Show the time.Write the time.
3.
Draw and label coins from greatestto least value. Find the total value.
1.
THINK: 9 + = 1414
13
THINK: 9 + = 14
THINK: 6 + = 13
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Name Week 12
Spiral ReviewSR12
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Spiral Review
Use the table to solve.
Find the total value.
1.
, , , , ,
Use the line plot.
Order 3 pieces of chalk from longest to shortest. Draw them.
3. longest
4.
5. shortest
2. What number of crayons do the most children have?
crayons
6. How many more roses than irises are in the garden?
more roses
Flowers in a Garden
Flower Number
pansy 28iris 19
rose 41lily 16
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Name Week 13
Spiral ReviewSR13
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Spiral Review
Use the table to solve.
Circle coins to make $1.00.Cross out the coins you do not use.
1.
Use the bar graph.
Cross out the objects that do not belong. Circle the objects that have the same figure. Name the solid figures you circled.
3.
2. How many books did the children read in all?
books
4. How many more points did the Wildcats score than the Sparrows?
more points
Points Scored in the Tournament
Team Number of Points
Wildcats 32Wolves 28
Sparrows 24Eagles 36
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Name Week 14
Spiral ReviewSR14
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Spiral Review
Write how many tens and ones.Use if you need to.
1. 33
tens ones tens ones tens ones
Complete the table to solve.
3. Daniel is making three cubes. How many squares does he need to make these three figures?
number of cubes 1 2 3
number of squares
Daniel needs squares.
Find the pattern. Complete the table to solve.
2. How many wheels are on 5 skateboards?
number of skateboards 1 2 3 4 5number of wheels 4 8 12
There are wheels on 5 skateboards.
Draw a picture to solve. Write the number sentence.
4. Becky sees 3 green butterflies and 4 purple butterflies. How many butterflies does Becky see altogether?
There are wheels on each skateboard.
butterflies
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Name Week 15
Spiral ReviewSR15
© H
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© H
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Use the picture to compete the table.Then shade bars in the graph to show the data.
3. Cars
Color Number
black
gray
white
Spiral Review
Write the fraction for the shaded part of the whole.
1.
Decide which operation to use.Then write the number sentence. Solve.
2.
Color the figures.
4. Color the circles green.
5. Color the squares blue.
6. Color the triangles red.
7. Color the rectangles yellow.
8. Katie catches 16 lightning bugs in a jar. Then 8 of the lightning bugs get out. How many lightning bugs are left in the jar?
lightning bugs
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Week 16
© H
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© H
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SR16 Spiral Review
Spiral Review
Write a fraction for theshaded part.
1.
2.
Use the line plot.
4 5 6 73Number of Letters in Names
3. What is the mode of the data?
The mode of the data is .
Find the sums.
8. 9. 10.
7 � 7 � � 6 � 0 3 � 9 �
7 � 8 � � 1 � 0 9 � 3 �
Color the figures.
4. Color the triangles orange.
5. Color the squares purple.
6. Color the rectangles green.
7. Color the circles brown.
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Name Week 17
Spiral ReviewSR17
© H
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© H
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Spiral Review
Subtract. Regroup if you need to.
1. 63� 19
2. 48� 26
3. 24� 16
4. 84� 38
5. 72� 59
Complete the fact families.
8.
� �
127� �
Skip-count. Write the missing numbers.Write a rule for the pattern.
6.
77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97
77, 79, 81, , Rule: Count by .
Use the solid figure.Complete the table. Write how many.
7. solid figure faces edges vertices
pyramid
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Name Week 18
Spiral ReviewSR18
© H
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© H
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Spiral Review
Use pattern blocks. Combine sides of figures to make a new figure. Trace the new figure.
7.
Spiral Review
Draw a picture to solve.Write the number sentence.
8. There are 4 ladybugs sitting on a branch. Then 7 more ladybugs come. How many ladybugs are there in all?
Use the line plot to answer the questions.
5. Write a number sentenceto find the range of the data.
6. What is the mode of the data?
The mode of the data is .
Write the number another way.
1. 2 hundreds 1 ten 7 ones
3. five hundred forty-eight
2. 942
4. 700 � 80 � 3
ladybugs
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Name Week 19
2.
equal parts
3.
equal parts
Spiral ReviewSR19
© H
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© H
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Spiral Review
Write how many equal parts there are. Then write if these parts are halves, thirds, or fourths.
1.
equal parts
Use the line plot.
4. Write a number sentenceto find the range of the data.
5. What is the mode of the data?
The mode of the data is .
Write a title to describe the group of plane figures.
6.
Write the sum.
7. 6 7 � 4
8. 5 8 � 2
9. 7 1 � 7
10. 3 9 � 4
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Name Week 20
Spiral ReviewSR20
© H
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© H
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Spiral ReviewSpiral Review
Find the pattern. Complete the table to solve.
2. How many wheels are on 5 bicycles?
number of bicycles 1 2 3 4 5
number of wheels 2 4 6
There are wheels on 5 bicycles.
There are wheels on each
bicycle.
Use solid figures. Circle the solidfigure that has these faces.
3.
cylinder pyramid cube
Draw a line through the information you do not need. Then solve.
4. Max counts 27 fish on Monday. He counts 13 birds and 25 fish on Tuesday. How many fish does he count on the two days? fish
Use bills and coins to make a model.
1. Margie has 2 dollar bills, 2 quarters, 7 dimes, and 3 nickels. She wants to buy a kite that costs $1.35.
Draw two ways she can pay the exact amount.
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Name Week 21
Spiral ReviewSR21
© H
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© H
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Spiral Review
Use the picture graph.
4. How many more pennies than nickels are in Tom’s pocket?
more pennies
Write yes or no to tell about the surface of each object.
ObjectDoes itslide?
Does itroll?
Does it slideand roll?
5.
Use the table to solve.
Vegetables in the Garden
Vegetable Number
radishes 15tomatoes 27squash 24carrots 31
6. How many more carrots than radishes are there?
more carrots
Color one part red.Write the fraction that names the red part.
1. 3. 2.
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Week 22Name
Spiral Review
© H
arco
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© H
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SR22
Spiral Review
Write a title and labels for the bar graph then complete the bar graph to show the information.
Circle the objects that have the same figure. Cross out the objectsthat do not belong. Name the solid figures you circled.
3.
2. Ali took a survey of her classmates’ favorite fruits. 4 classmates chose apple, 5 chose peach, 6 chose pear, and 2 chose plum.
Draw a line through the information you do not need. Then solve.
4. On Friday, 156 people visit the art museum. On Saturday, 117 people visit the science museum and 263 people visit the art museum. How many people visit a museum on Saturday? people
Read the number. Write the number in different ways.
1. three hundred forty-nine
hundreds tens ones
� �
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Week 23Name
Spiral Review
© H
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© H
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SR23
Spiral Review
Use Workmat 6 and . Draw to show your work. Write how many in each group.
1. Divide 12 into 4 equal groups.
in each group
Use cubes to show the number as tens and ones. Draw what you built. Writeeven or odd.
2. 12
Measure the length to the nearest inch.
3.
Measure: about inches
4.
Measure: about inches
Use Workmat 5 and . Subtract.
5. Hundreds Tens Ones
7 1 5
� 3 4 4
6. Hundreds Tens Ones
5 2 7
� 1 6 3
7. Hundreds Tens Ones
3 5 2
� 2 7 0
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Name Week 24
Spiral Review
© H
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© H
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SR24
Spiral Review
Write the product.
1. 6� 2
2. 10� 3
3. 5� 7
4. 10� 2
5. 3� 5
6. 2� 8
Use the line plot to answer the questions.
7. Write a number sentence to find the range of the data.
8. What is the mode of the data?
The mode of the data is .
Use . Measure the real object.
9. Find the object. Measure.
about cubes
Find a rule. Complete the table.
10. Rule: Add .
In Out
3
4 11
5
6 13
11. Rule: Add .
In Out
2 7
4 9
6
8
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Name Week 25
Spiral Review
© H
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© H
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SR25
Spiral Review
Draw equal groups. Skip-count to find how many in all. Write the multiplication sentence.
1. 5 equal groups. 3 ● in each group.
, , , , � �
Use the bar graph to answer the questions.
2. How may pictures did Ali and Gabe draw last week together?
pictures
Measure the length to the nearest inch. 3. Measure: about inches
4. Measure: about inches
Draw a picture to solve. Write a number sentence.
5. Arlo has 4 bags of pretzels. He is given
6 more bags. How many bags does he have in all?
bags
Childre
n
Number of Pictures
Pictures Drawn Last Week
0 1 2 3 4 5 6 7 8 9
Jon
Ali
Gabe
Liza
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Week 26Name
Spiral Review
© H
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© H
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SR26
Spiral Review
What fraction of the group are black? What fraction of the group are gray?
1.
of the group are black of the group are gray
Skip-count. Write the missing numbers. Write a rule for the pattern.
2.
48, 51, 54, , Rule: Count by .
Write the time in two ways.
3.
minutes after o’clock
Use Workmat 11 and . Regroup if you need to.
Write how many tens and ones. Write the difference.
:
4. Subtract 7 from 35.
tens
ones
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Week 27Name
Spiral Review
© H
arco
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© H
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SR27
Spiral Review
Use Workmat 6 and ●. Draw to show your work. Write how many in each group.
1. Divide 18 ● into 2 equal groups.
in each group
2. Divide 15 ● into 5 equal groups.
in each group
3. Use the picture to complete the table. Then shade the bars in the graph to show the data.
Circles
Color Number
black
gray
white
Use solid figures. Color the figure that matches the number of faces, edges, and vertices.
4. 5 faces, 8 edges, 5 vertices
Cross out the information you do not need. Then solve.
5. There are 89 geese in a field. There are 72 ducks and 95 geese in a lake. How many geese are there altogether? geese
Number
white
gray
black
Circles
Colo
rs
0 1 2 3 4 5 6
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Name Week 28
Spiral Review
© H
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© H
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SR28
Spiral Review
Color the fraction strips to show the fractions. Compare. Circle the greater fraction.
1. 18
112
Find the pattern. Complete the table to solve.
2. How many wheels are on 5 wagons?
number of wagons 1 2 3 4 5
number of wheels 4 8 12
There are wheels on 5 wagons.
There are wheels on
each wagon.
Use a . Write how much time has passed.
3. Start Finish
4:00 P.M. 9:00 P.M.
Find the sums.
4. 7 � 0 �
4 � 0 �
5. 8 � 3 �
8 � 4 �
6. 6 � 9 �
9 � 6 �
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Name Week 29
Spiral Review
© H
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© H
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SR29
Use the table to answer the questions.
Nuts in a Bag
Kind of Nut Numbercashew 211peanut 425walnut 237filbert 98pecan 174
2. Of which kind of nut is therethe most in the bag?
3. Of which kind of nut is therethe least in the bag?
Use the table to solve.Fish in a Tank
Color Number of Fishyellow 26blue 43
orange 18red 22
5. Mrs. Jagger puts 19 blue fish into a different tank. How many blue fish are left in the tank?
blue fish
Measure the length to the nearest inch. 4.
Measure: about inches
Write how many.Write the multiplication sentence.
1.
rows of
C C
rows of
C C
Spiral Review
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Name Week 30
Spiral Review
© H
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© H
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SR30
Use the hundred chart. Extend the pattern. 3. Skip-count by fives.
6, 11, 16, , , , ,
4. Skip-count by twos
7, 9, 11, , , , ,
1 2 3 4 5 6 7 8 9 10
11 12 13 14 15 16 17 18 19 20
21 22 23 24 25 26 27 28 29 30
31 32 33 34 35 36 37 38 39 40
41 42 43 44 45 46 47 48 49 50
Use paper figures to make three new figures. Cut along the folds. Trace the new figures. 5.
Draw a picture to solve. Write a number sentence. 6. Tara has 6 blue beads and
9 orange beads. How many beads does she have in all?
beads
Spiral Review
Write the numbers in the correct order.Then write > or <.
1. 724 472 744 2. 392 293 932
least greatest greatest least
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Name Week 31
Spiral Review
© H
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© H
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SR31
Skip-count. Write the missing numbers. Write a rule for the pattern.
2.
42, 46, 50, , Rule: Count by .
Spiral Review
Write the sum.
Use . Measure the real object.
3.
Find the object. Measure.
chalkboard eraser
about cubes
Use . Draw equal groups. Write a multiplication sentence.
1. 3 groups of 4
� � � � �
5. 4 9 � 4
6. 8 6 � 2
7. 3 5 � 5
8. 6 1 � 4
4. 7 6 � 1
4 4 4
42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62
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Name Week 32
Spiral Review
© H
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© H
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SR32
Write a title and labels forthe bar graph. Then complete the bar graph to show the information.
3. Nikki took a survey of her classmates’ favorite lunches. 5 classmates chose pizza, 6 chose tacos, 3 chose chili, and 2 chose pasta.
Spiral Review
Use Workmat 6 and . Draw to show your work. Write how many groups and the remainder.
1. Divide 14 into groups of 3.
groups
The remainder is .
2. Divide 9 into groups of 4.
groups
The remainder is .
Write a title to describe the group of plane figures.
4.
Use Workmat 5 and
. Subtract.
5. Hundreds Tens Ones
7 3 4
� 3 2 5
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Name Week 33
Spiral Review
© H
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© H
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SR33
Spiral Review
Use Workmat 6 and . Draw to show your work.Write a division sentence.
1. Divide 16 into groups of 2.
groups
Measure the length to the nearest centimeter.
4.
Measure: about centimeters
Find the pattern. Complete the table to solve.
3. How many legs are on 5 beetles?
number of beetles 1 2 3 4 5
number of legs 6 12 18
There are legs on 5 beetles.
Draw a picture to solve.Write a number sentence.
5. There are 5 flowers in a vase. Each flower has 4 petals. How many petals are there in all?
petals
2. Divide 10 into groups of 5.
groups
There are
legs on
each beetle.
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Week 34Name
Spiral Review
© H
arco
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© H
arco
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SR34
Spiral Review
Circle to show equal parts. Then write if the black part is one half, third, or fourth of the group.
Write more than, less than, or the same as to complete the sentence.
4. It snowed for 5 days in the mountains.
This is 1 week.
Use the line plot.
Use the picture graph.
1. 3 equal parts
One of the group is black.
2. 2 equal parts
One of the group is black.
3. Write a number sentence to find the range of the data.
Time Relationships
There are 24 hours in 1 day.
There are 7 days in 1 week.
There are about 4 weeks in 1 month.
There are 12 months in 1 year.
There are about 52 weeks in 1 year.
5. How many oak trees are in the park?
oak trees 6. How many trees are in
the park altogether? trees
Trees in the Parkelmoakmaple
Each stands for 1 tree.
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Week 35Name
Spiral Review
© H
arco
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© H
arco
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SR35
Spiral Review
Use . Color the array. Write a multiplication sentence.
4.
Skip-count. Write the missing numbers. Write a rule for the pattern.
3.
52, 55, 58, , Rule: Count by .
Use Workmat 11 and to make a model. Write how many.
5. Freddy has 17 toy trains on the floor in his bedroom. He puts 9 trains in a toy chest. How many trains are left on the floor? trains
1. 6 rows of 3
� �
2. 2 rows of 5
� �
Find the object.Choose the unit.
Measure.
dictionaryounce
pound about
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Name Week 36
Spiral Review
© H
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© H
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SR36
Spiral Review
Use a number line to write a division sentence.
1. Divide 16 into equal groups of 2.
Find the rule. Complete the table.
4. Rule: Add . 5. Rule: Add .
In Out2 546 98
In Out345 116 12
Use the bar graph.
2. How many more
squirrels than rabbits did Brett see on the hike?
more squirrels
Measure the length of the real Units of Measureobject. Choose the better unitto use.
3. Find the object. Choose the unit. Measure.
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