grade 3 mathematics work book

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Homework Practiceand Problem-Solving

Practice Workbook


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opyright by the McGraw-Hill Companies, Inc. All rights reserved.xcept as permitted under the United States Copyright Act, no part ofhis publication may be reproduced or distributed in any form or by any

means, or stored in a database or retrieval system, without prior writtenermission of the publisher.

end all inquiries to:acmillan/McGraw-Hill787 Orion Placeolumbus, OH 43240

BN: 978-0-02-111967-7

HID: 0-02-111967-8 Homework Practice/Problem Solving Practice Workbook, Grade 3

rinted in the United States of America.

5 6 7 8 9 10 11 12 13 005 17 16 15 14 13 12 11 10 09

O THE TEACHER These worksheets are the same ones found in the Chapteresource Masters for California Mathematics, Grade 3. The answers to these

worksheets are available at the end of each Chapter Resource Masters booklet.


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Chapter 1 Place Value andNumber Sense

1-1 Number Patterns.................................................. 11-2 Problem-Solving Strategy: Use

the Four-Step Plan ........................................... ... 31-3 Place Value through 1,000 ............................... 51-4 Place Value through 10,000 ............................ 7

1-5 Problem-Solving Investigation:Use the Four-Step Plan ...................................... 91-6 Compare Numbers ........................................... .111-7 Order Numbers ..................................................131-8 Round to the Nearest 10

and 100 ................................................................151-9 Round to the Nearest 1,000 ..........................17

Chapter 2 Addition2-1 Addition Properties .......................................... .19

2-2 Problem-Solving Skill:Estimate or Exact Answer ...............................212-3 Estimate Sums .......................................... ..........232-4 Two-Digit Addition ............................................252-5 Add Money ..........................................................272-6 Problem-Solving Investigation:

Choose a Strategy .............................................292-7 Three-Digit Addition ......................................... .312-8 Add Greater Numbers ......................................33

Chapter 3 Subtraction3-1 Two-Digit Subtraction .......................................353-2 Estimate Differences .........................................373-3 Subtract Money ..................................................393-4 Problem-Solving Skill:

Reasonable Answers ........................................413-5 Three-Digit Subtraction

with Regrouping............................................... ..433-6 Problem-Solving Investigation:

Choose a Strategy .............................................453-7 Subtract Greater Numbers ..............................47

3-8 Subtract Across Zeros .......................................493-9 Algebra: Expressions andNumber Sentences............................................51

Chapter 4 MultiplicationConcepts and Facts

4-1 Multiplication as Repeated Addition ...........534-2 Arrays and Multiplication ................................554-3 Multiply by 2 .......................................................574-4 Multiply by 4 .......................................................594-5 Problem-Solving Skill:

Extra or Missing Information ..........................614-6 Multiply by 5 .......................................................63

4-7 Multiply by 10 ............................................... ......654-8 Problem-Solving Investigation:

Choose a Strategy .............................................674-9 Multiply by 0 and 1 ...........................................69

Chapter 5 More MultiplicationFacts

5-1 Multiply by 3 .......................................................715-2 Multiply by 6 .......................................................735-3 Problem-Solving Strategy:

Look for a Pattern ..............................................755-4 Multiply by 7 .......................................................775-5 Multiply by 8 .......................................................795-6 Multiply by 9 .......................................................815-7 Problem-Solving Investigation:

Choose a Strategy .............................................835-8 Algebra: Associative Property.........................855-9 Algebra: Find a Rule .........................................87

Chapter 6 Division Conceptsand Facts

6-1 Relate Division and Subtraction....................896-2 Relate Multiplication to Division ...................916-3 Problem-Solving Skill:

Choose an Operation .......................................936-4 Divide by 2 ............................................. ..............956-5 Divide by 5 ............................................. ..............976-6 Problem-Solving Investigation:

Choose a Strategy .............................................99

6-7 Divide by 10 .......................................... ........... 1016-8 Division Properties ......................................... 103

Chapter 7 More Division Facts7-1 Divide by 3 ............................................. ........... 1057-2 Divide by 4 ............................................. ........... 1077-3 Problem-Solving Strategy:

Make a Table......................................... ........... 1097-4 Divide by 6 and 7 ........................................... 1117-5 Divide by 8 and 9 ........................................... 1137-6 Find Unit Cost .............................................. .... 115

7-7 Problem-Solving Investigation:Choose a Strategy .......................................... 117

7-8 Algebra: Expressions and Equations ........ 1197-9 Algebra: Translate Words

to Expressions .............................................. .... 121

Chapter 8 Measurement:Customary System

8-1 Length to the Nearest Half Inch ................ 1238-2 Customary Units of Length .......................... 1258-3 Problem-Solving Strategy:

Work Backward ............................................ ... 1278-4 Customary Units of Capacity ....................... 129

Contents


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-5 Problem-Solving Investigation:Choose a Strategy .......................................... 131

-6 Customary Units of Weight.......................... 133-7 Convert Units of Time ................................... 135

hapter 9 Measurement:Metric System

-1 Metric Units of Length................................... 137-2 Problem-Solving Strategy:

Guess and Check ............................................ 139-3 Metric Units of Capacity ............................... 141-4 Problem-Solving Investigation:

Choose a Strategy .......................................... 143-5 Metric Units of Mass ...................................... 145-6 Metric Unit Conversions ............................... 147

hapter 10 Measurementand Geometry

0-1 Geometry: Polygons .................................... 1490-2 Measurement: Perimeter ........................... 151

0-3 Measurement: Area ..................................... 1530-4 Problem-Solving Strategy:

Work a Simpler Problem .............................. 1550-5 Geometry: Triangles .................................... 1570-6 Geometry: Quadrilaterals .......................... 1590-7 Problem-Solving Investigation:

Choose a Strategy .......................................... 1610-8 Geometry: Solid Figures ............................. 1630-9 Geometry: Complex Solid Figures .......... 1650-10 Measurement: Volume ............................ 167

hapter 11 Statistics: Data,Graphs, andProbability

1-1 Bar Graphs ................................................ ..... 1691-2 Line Plots ........................................... ............. 1711-3 Problem-Solving Strategy: Make

an Organized List ............................................ 1731-4 Identify Probability ....................................... 1751-5 Problem-Solving Investigation:

Choose a Strategy .......................................... 177

1-6 Make Predictions .......................................... 179

hapter 12 Fractions2-1 Parts of a Whole ........................................... 1812-2 Problem-Solving Investigation:


12-3 Find Equivalent Fractions .......................... 18512-4 Problem-Solving Strategy:

Draw a Picture ............................................... .. 18712-5 Compare Fractions....................................... 18912-6 Add Fractions ............................................... .. 19112-7 Subtract Fractions ........................................ 193

Chapter 13 Fractionsand Decimals

13-1 Tenths ............................................. ................. 19513-2 Hundredths ........................................... ......... 19713-3 Problem-Solving Strategy: Act It Out ..... 19913-4 Decimals and Money .................................. 20113-5 Problem-Solving Investigation:


Chapter 14 Multiply by One-DigitNumbers

14-1 Multiply Multiples of 10, 100,and 1,000 ......................................... ................. 205

14-2 Problem-Solving Strategy:Use Logical Reasoning .................................. 207

14-3 Estimate Products ........................................ 20914-4 Multiply by a One-Digit Number ............. 21114-5 Problem-Solving Investigation:

Choose a Strategy .......................................... 21314-6 Multiply Two-Digit Numbers .................... 21514-7 Multiply Greater Numbers ......................... 21714-8 Multiply Money ............................................ . 219

Chapter 15 Divide by One-Digit

Numbers15-1 Divide Multiples of 10, 100, 1,000 ........ 22115-2 Estimate Quotients ...................................... 22315-3 Two-Digit Quotients .................................... 22515-4 Problem-Solving Strategy:

Work Backward .............................................. . 22715-5 Three-Digit Quotients ................................. 22915-6 Problem-Solving Investigation:

Choose a Strategy .......................................... 23115-7 Divide Money ............................................... . 233


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Grade 3 1 Chapter 1

Copyright

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Inc.

Homework Practice

Number Patterns

Identify the pattern. Then find the missing numbers.

1. 3, , 9, , 15 2. 111, 115, , 123, 127

3. 50, 70, , 110, 4. 48, 46, , 42,

5. 120, 100, , 60, 6. 7, , 11, , 15

7. Some friends volunteer at a pet shelter. If the patterncontinues, how many hours will Antonio and Vanessa

volunteer? Vincent 2 hours

Rachel 5 hours

Alex 8 hours

Antonio

Vanessa

Complete each multiplication sentence.

8. 5 2 = 3 5 = 2 3 =

9. 8 5 = 6 5 = 10 7 =

10. 9 5 = 6 10 = 2 7 =

11. 6 2 = 2 9 = 2 10 =

12. Kayla has 25 beads to give to 5 friends. She will give thesame number to each friend. How many beads will eachfriend get?

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Solve. Use the four-step plan.

Homework Practice

Problem-Solving Strategy

123MR1.1, 3NS2.1

1. Tania starts a game with 300 points.In four rounds of the game, she adds25 points each round. How manypoints does Tania have at the end offour rounds?

2. Victoria buys sunglasses for $6.95.If she gives the cashier two $5-bills,how much change will she get?

3. Sylvias game piece is on box 25 ofa game board. She moves it ahead5 boxes, three times. Where is hergame piece now?

4. Rebecca and Haley went to a fair.

Each girl bought four differentkinds of cookies. How many kindsof cookies did they buy in all?

Identify the pattern. Then find the missing numbers. (Lesson 1-1)

5. 8, 10, , 14, , 6. 76, , 72, ,

7. 55, , 65, , 8. 108, 105, , 99,

9. 560, 660, , , 960 10. 15, , 45, 60,

11. Henry draws 5 circles, 10 circles, 15 circles, and then 20circles. If the pattern continues, how many circles will Henrydraw in the next row?

12. Fran likes to buy flowers each week. The first week shebuys white flowers, the second week she buys red flowers,and the third week she buys yellow flowers. If the patterncontinues, what color will she buy in the fifth week?


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Write each number in expanded formand word form.

1. 2,368 Expanded form:

Word form:

2. 4,572

Expanded form:

Word form:

Write the place of the underlined digit. Then write the valueof the digit.

3. 567

4. 6,327

Write each number in standard form.

5. 5,000 +500 +3 6. 2,000 +300 +20 +9

Homework Practice

Place Value through 1,000

3NS1.3, 3NS1.5

Solve. Use the four-step plan. (Lesson 1-2)

7. Lauren and Christina went to thestore to buy cheese for a party.Each bought 3 different kinds ofcheese. How many different kindsof cheese did they buy?

8. Erin practiced 2 songs on herflute on Monday. On Tuesdayshe practiced 4 songs and onWednesday she practiced 6 songIf the pattern continues, how masongs will she practice on Friday?

13


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Grade 3 6 Chapter 1

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Solve.

1. There are 4,563 seats in a local sports arena. Write thatnumber in expanded form.

2. How many tens are there in 7,652?

3. The Harris family traveled 1,355 miles to San Francisco. Howmany more tens than hundreds are in the number of milesthey traveled?

4. Mr. Holt wrote this number on the board:

4,000 +40 +7

What number is this in standard form?

5. A Spanish dictionary in the library has 1,324 pages. A Frenchdictionary has 200 more pages than the Spanish dictionary.How many pages are in the French dictionary?

6. Kyle is in seat number 1,024. The number on Sierras seathas the same number of thousands and tens as Kylesnumber, but 2 more hundreds and 3 fewer ones than Kylesnumber. What is Sierras seat number?

Problem-Solving Practice


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1. 4,559

3. 55,303

5. 23,901

2. 48,351

4. 67,842

6. 15,221

Write the place of each underlined digit. Then write its value.

Homework Practice


Write each number in expanded form.

7. 60,872

8. 34,759

9. 1,259

3NS1.3, 3NS1.5

Write each number instandard form.

10. 50,000 +4,000 +900 +80 +2

11. 40,000+

3,000+

300+

70+

7

Identify the pattern. Then find the missing numbers. (Lesson 1-3)

12. 65, 60, , , 45, 40 14. 33, 43, , , 73,

13. 54, , 60, , 66, 15. 543, 539, , 531, ,

Solve.

16.Jacob bought 2 tropical fish on Monday, 5 on Tuesday, and 8on Wednesday. If this pattern continues, how many tropicalfish will he buy on Thursday?

14


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olve.

1. The North Avenue Library owns 145,672 books. Write thatnumber in expanded form.

2. The town that Jose lives in has 431,988 people. What is thevalue of the 9 in this number?

3. Last month, Fresh Juice Company sold 654,019 bottles oforange juice. This month, the number of bottles sold wasfive thousand more than last months number. How manybottles of orange juice were sold this month?

4. There are 70,000 +5,000 +400 flowers in the MayvilleTown Park. In standard form, how many flowers are there?

5. Use the two clues below to find the six-digit number.Clue 1: Each digit increases by one. For example: 345,678.Clue 2: If you add all six numbers, the answer is 21.What is the six-digit number?



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Grade 3 9 Chapter 1

Copyright

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15Homework Practice

Problem-Solving Investigation

Solve using the four-step plan.

1. The pine tree in Mr. Georges yard is 35 feet tall. The oak treein his yard is 43 feet tall. How much taller is the oak treethan the pine tree?

2. Mirandas garden has three rows. There are 13 rose plantsin the first row, 7 lily plants in the second row, and 12 daisy

plants in the third row. How many plants are in Mirandasgarden?

3. Jasons dog weighs 13 pounds. Davids dog weighs 12pounds more than Jasons dog. How much does Davidsdog weigh?

Write the place of each underlined digit. Then write itsvalue. (Lesson 1-4)

4. 5,609

5. 47 ,898

6. 34,332

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Compare Numbers

olve.

1. Julia has read 120 pages of her book for her book report.Deanna has read 112 pages. Who has read more pagesso far?

2. In the school bookstore, a pen costs $2.44. A large notebookcosts $2.33. Which costs less, the pen or the notebook?

3. Mrs. Fallon gave her class a multiple-choice test. There were145 questions on the test. Philip answered 134 questionscorrectly. Nicole answered 141 questions correctly. Whoscored higher on the test?

How can you tell?

4. The skateboard that Pedro wants to buy costs thirty-fivedollars at Ninos Skate Shop. The same skateboard costs$43.00 at Mannys Skateboard Central. At which store shouldPedro buy his skateboard? Tell why.

5. Niko, Paul, and Jon all want to win a prize for selling themost fruit. Niko has 367 points, Paul has 455 points, and Jonhas 437 points. To win a prize, you must have at least 435points. Who will not win a prize?

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Grade 3 13 Chapter 1

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Homework Practice

Order Numbers

Order the numbers from greatestto least.

1. 5,668; 5,886; 8,585

2. $5.66; $6.55; $6.56

3. 6,432; 4,634; 4,346

4. 7,701; 7,101; 7,001

Order the numbers from leastto greatest.

5. 9,544; 9,455; 9,564

6. 7,878; 7,087; 7,778

7. 3,553; 3,335; 3,355

8. 6,461; 4,641; 6,641

Compare. Write >,


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Order Numbers

olve.

1. Jills soccer team has 14 members. Nicks team has 12members. Danielles team has 17 members. Write the teamsin order from the greatest to least number of members.

2. A pound of tomatoes costs $3.19. A pound of onions costs$0.99. A pound of potatoes costs $2.55. Write the foods in

order from the least to the most expensive.

Car Type Cost Number Sold

Sports Car $20,398 1,309

Sedan $14,990 3,980

Compact $9,887 2,881

3. According to the table, which car costs the most money?

4. Write the names of the cars in order from the least number

sold to the greatest number of cars sold.

5. Gigi has $6.98 in her wallet. Robert has $8.98 in his wallet.Toby has $5.00 more than Gigi in his wallet. Who has theleast amount of money?

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Copyrig

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Round to the nearest ten.

1. 56

4. 648

2. 4,588

5. 506

3. 6,444

6. 3,409

Round to the nearest hundred.

7. 569

10. 915

8. 1,413

11. 5,533

9. 2,978

12. 1,119

Order the numbers from leastto greatest. (Lesson 1-7)

13. 5,688; 5,866; 5,668

14. 4,209; 4,029; 4,299

15. 6,877; 6,788; 7,899

16. 3,362; 3,382; 3,128

Order the numbers from greatestto least.

17. 5,551; 5,051; 5,105

18. 3,225; 2,335; 3,235

19. 9,876; 9,879; 9,987

20. 1,027; 1,207; 1,072

21. 8,600; 8,006; 8,060

22. 7,474; 7,447; 7,744

18Homework Practice

Round to the Nearest 10 and 100

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Round to the Nearest 10 and 100

olve.

1. It takes Juan 13 minutes to walk to the store near his home.About how many minutes does it take to the nearest ten?

2. Garretts dog weighs 48 pounds. About how much does thedog weigh to the nearest ten?

3. A 36-inch television costs $509 at Sams Electronics. Thismonth it is on sale for $449. To the nearest hundred dollars,

what is the sale price of the television?

How much was it before the sale? Estimate to the nearesthundred dollars.

4. The U.S. Bank Tower in Los Angeles is 1,017 feet tall. Howtall is it to the nearest hundred feet?

5. Which three-digit numbers round to 500 when rounded tothe nearest hundred, and also round to 460 when roundedto the nearest ten?

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19

Round to the nearest thousand.

Homework Practice

Round to the Nearest 1,000

1. 4,569

4. 3,569

2. 1,284

5. 8,440

3. 8,877

6. 12,899

Solve.

7. Luis and his family flew 1,487 miles last summer while on

vacation. Rounded to the nearest thousand, how many milesdid they fly?

8. Miles bought a car that cost $23,556. To the nearestthousand, how much did the car cost?

Round to the nearest ten. (Lesson 1-8)

9. 54

12. 143

10. 323

13. 1,093

11. 578

14. 1,566

Round to the nearest hundred.

15. 2,349

18. 677

21. 155

16. 3,441

19. 5,788

22. 4,975

17. 3,219

20. 8,892

23. 6,864

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Round to the Nearest 1,000

olve.

1. The Hansons new refrigerator cost $1,085. How much didthe refrigerator cost to the nearest thousand dollars?

2. The distance from Los Angeles to St. Louis is 1,845 miles.What is the distance between the cities to the nearestthousand miles?

3. The Morrisons paid $10,825 to have their house remodeled.The Wongs paid $400 less. How much to the nearestthousand dollars did the Wongs pay?

4. Hector lives in a city with a population of 79,702 people.What is the citys population to the nearest thousand?

5. The top-selling toy for 2005 had sales of 4,229. This was

1,800 more toys sold than the top-selling toy of 2004. To thenearest thousand, about how many toys were sold in 2004?

6. The Garcias bought a car for $27,567. What is the pricerounded to the nearest thousand?

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Homework Practice

Addition Properties

Find each sum. Identify the property shown.

1. 5 +4 = 2. 46 +0 =

4 +5 =

3. (7 + 9)+3 = 4. 1 + (9 + 5)=

(7 +3)+9 = (1 +9)+5 =

Find each missing number. Identify the property shown.

5. (0 + 7)+3 = +(7 + 3) 6. 20 +40 =40 +

Round to the nearest thousand.

7. 4,801

8. 3,192

9. 6,592

10. 5,038

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olve.

1. For a science project, Pedro must find 20 autumn leaves. Sofar, hes collected 9 yellow leaves, 5 red leaves, and 1 orangeleaf. How many leaves does he have so far? How many moredoes he need? Which addition property did you use?

2. In order to solve a math problem, Ryan switched the

parentheses from7 +(3 +6)to (7 +3)+6.

He told his teacher that he used the Commutative Property ofAddition. Was he correct?

3. Tamika is making a bracelet. She is using 3 wooden beads,5 gold beads, 4 blue beads, 5 silver beads, and 3 blackbeads. What is the total number of beads in her bracelet?

4. Jose has 9 T-shirts, 2 sweaters, 3 long-sleeved pullovers, and1 jacket. Find how many tops he has. Which property willmake your addition easier?

5. Rita has collected items to take to her recycling center. Shehas 7 boxes of paper, 2 bags of bottles, and 1 bag of cans.How many bags and boxes does she have?


Addition Properties

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Homework Practice

Problem-Solving Skill

Tell whether an estimate or an exact answer is needed.Then solve.

1. The principal of Sydney Elementary School wants atleast 50 students to enter the National Poetry Contest.In Mr. Ogdens class, 19 students entered the contest; inMrs. Hills class, 23 students entered; and in Miss Lees class,9 students entered. How many total students entered thecontest? Are there enough students?

2. The Coopertown Museum of Art has 45 paintings,12 sculptures, and 39 pieces of pottery. About how manytotal pieces of art does the museum have?

3. At Martas school library, there are 16 shelves of novels,8 shelves of picture books, and 21 shelves of history books.About how many shelves are there in all?

Find each sum. Identify the property shown. (Lesson 21)

4. 12 +(3 +4)= 5. (5 +4)+2 =

(12 +3)+4 = 5 +(2 +4)=

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Estimate each sum using rounding.

1. 504 +86 2. 15 +29

3. $7.10 +7.80 4. 428 +376

Estimate each sum using front-end estimation.

5. 646 +289 6. $3.80 +4.45

7. 102 +399

8. Last Saturday, 73 people worked out at the Ferndale FitnessCenter. On Sunday, 65 people worked out. About how manypeople were at the fitness center on those two days?

Tell whether an estimate or an exact answer is needed.Then solve. (Lesson 22)

9. Filipa wants to learn karate. One month of classes costs $55,and a karate suit costs $35. How much will she pay?

10. Every Sunday, Jamila and her family visit her grandparents.Then they go to visit her aunt. Her family drives 49 miles tosee her grandparents and drives 17 more miles to her auntshouse. How many miles do they drive?

Homework Practice

Estimate Sums

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Estimate Sums

olve.

1. If Kiki buys a digital camera that costs $73 and a book thatcosts $12, about how much will she pay?

2. Michelle has saved $11.30 from her allowance, and her sisterMaria has saved $5.85. They want to buy their mother a$17.00 pair of earrings for Mothers Day. Together, will they

have enough money? Explain.

se the information below for Exercises 3 and 4.

The Centerville Cinema sells movie tickets for the following

prices:

Child $6.50Adult $8.00Senior $6.25

3. Using front-end estimation, about how much will it cost ifRobert goes to a movie with his father and grandfather?

4. Two sisters are going to a movie with their grandmother andgrandfather. Estimate by rounding to find about how muchtheir tickets will cost in all.

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olve.

1. In the Ripple Creek Zoo, there are four different kinds ofanimals. Fill in the chart below to find how many there are ineach group.

Bears Monkeys Deer Snakes6 brown bears 4 chimpanzees 7 antelopes 1 boa

2 polar bears 2 baboons 4 gazelles 2 pythons

2. Add your sums from Exercise 1 to find the total number ofanimals in Ripple Creek Zoo.

3. Only 50 people at a time can skate at Browns Ice Skating

Rink. There were already 21 people in the rink when 37Auburn Elementary School students arrived. How manypeople are now at the rink?

4. Briannas mother told her to do 50 minutes of homework.If she does 15 minutes of math homework, 20 minutes of

social studies, and 10 minutes of English, will this be enoughhomework time? How long has Brianna worked?

5. Pablos family went on a trip to the beach. In the morning,they drove 26 miles, and then after lunch they drove another45 miles. In all, how far did they travel?


Two-Digit Addition

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Add. Use estimation to check for reasonableness.

1. 41 +18 = 2. $12 +$79 =

3. $0.08 +$0.76 = 4. $0.39 +$0.50 =

5. $68 +$8 = 6. $21 +$33 =

7. $13 +$78 = 8. $34 +$17 =

9. $46 +$89 = 10. $0.75 +$0.75 =

11. Anna has $15. If she buys a book that costs $9 and a poster

costing $4, how much money will she have left?

12. If Yolanda buys a birthday card for 36 and a thank-you cardfor 46, what will she pay in all?

Add. Check for reasonableness. (Lesson 24)

13. 55 +32 14. 19 +29

15. 65 +25

ALGEBRA Find each missing digit.

16. 18 + 3 =31 17. 9 +24 =63

18. 5 +35 =90

$51

Homework Practice

Add Money

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Use the four-step plan, estimation, or an exact answer tosolve each problem.

1. Ernestos friend lives 7 blocks away from his house. OnSaturday morning, Ernesto rode his bike to his friends houseand rode back home later on. In the afternoon, he rode tohis friends house again, and later on he rode back home. Inall, how many blocks did he ride?

2. Mrs. Shelleys class is reading TheLion, the Witch, and theWardrobe.If they read 16 pages every week, how manypages can they read in 3 weeks?

3. At a dance recital, ballet dancers performed for 19 minutes,modern dancers performed for 24 minutes, and hip-hop

dancers performed for 12 minutes. About how long was therecital?

4. Al visits his grandparents every summer. Als mother driveshim 20 miles to the bus station. Al travels 475 miles on thebus to his grandparents house. How many miles does hetravel in all?

Add. Use estimation to check for reasonableness. (Lesson 25)

5. 46 +65 +81 7. 6 +12 +77

6. $55 +$13 +$38 8. $28 +$41 +$48

Homework Practice


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Find each sum. Use estimation to check for reasonableness.

1. $3.50 +$4.65

2. 29 +66

3. $4.45 +$3.08

4. 653 +284

5. 178 +99

6. $6.02 +$1.39

Solve. (Lesson 26)

7. Kevins family bought a pizza for dinner that cost $7.95. They

also bought 3 sodas: each soda cost $1.30. How much did allof these items cost?

8. A canary costs $89, and a birdcage costs $129. About howmuch do the bird and cage cost together?

9. A truck is delivering fresh vegetables to the Dixville GroceryStore. Starting from Bealstown, it goes 127 miles north toBentley, and then goes 139 miles west to Dixville. How manymiles is the entire trip to Dixville?

27Homework Practice

Three-Digit Addition

3NS2.1, 3NS3.3


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Inc.

Estimate each difference using rounding.

1. 57 2. 177 3. $4.50

_____

- 22_____

- 63________

-$1.27

Estimate each difference using compatible numbers.

4. 68 -22 5. $4.87 -$2.19 6. 215 -92

Estimate each difference using front-end estimation. 7. 223 8. $8.35 9. 742

______

- 145_______

- $4.62_______

-358

10. Colin wants to buy a CD for $12.87 and a bookfor $4.32. About how much more does the CD cost?

11. Shannons scout troop sold 357 boxes of cookies

last week. They started with 600 boxes to sell.About how many boxes do they have left to sell?

Subtract. (Lesson 31)

Homework Practice

Estimate Differences

323NS1.4, 3NS2.1

12. 32

____

- 113. 34

_____

- 1214. 43

____

- 815. 48

_____

- 35

16. 58

____

- 917. 50

_____

- 2718. 62

____

- 819. 64

_____

- 39

20. David scored 25 points in his basketball game. Sevenof his points were from free throws. The rest were goalsfrom the field. How many points were from the field?


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Subtract.

1. 1,816 2. 3,659 3. $4,718 4. 7,613

______

- 429_______

- 2,485_________

-$1,962________

-5,549

5. 1,237 -863 6. 2,689 -1,156

7. $2,879 -$1,675 8. 3,466 -2,132

9. $4,768 -$3,021 10. $7,547 -$5,223

11.There are 5,280 feet in a mile. Chloe has already walked1,753 feet. How much farther does she need to walk tocomplete a mile?

12. Seth has 2,374 Legos to build with. He used 1,142 to build a

car. How many Legos does he have left?

Use any strategy shown below to solve. Tell what strategyyou used. (Lesson 36)

13. 15 friends were playing at the park. 2 left to go to soccerpractice. 4 left to go home. And 3 more left to go to thelibrary. How many friends are left at the park?

14. Seths bus brings 37 kids to school. The next bus brings 42.If 118 kids come to school by bus, how many are on the

third bus?

Homework Practice

Subtract Greater Numbers

373NS2.1


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Votes for School President

Candidate Number of Votes

Ariana 200

Miguel

Tyrone

147

171

olve.

1. The best bowler in the JuniorBowlers League scored 150 points.

Jason scored 125 points. Howmany points higher did the bestbowler score than Jason?

points higher

2. There are 70 bowlers in the leaguethis year. There were only 54bowlers last year. How many morebowlers joined the league this

year?

more bowlers

se the chart to solve.

3. How many more votes did thewinner get than Miguel?

more votes

olve.

5. Harrison and Jordan played3 computer games. Jordan scored124 points in the first game and268 points in the second game.Harrison scored a total of 600points for all 3 games. How manypoints does Jordan need in thethird game to beat Harrison's

score?points

4. How many more votes did Tyroneneed to win the election?

more votes

6. Keisha is saving money for a newcomputer that costs $480. Shehas saved $175. She found acoupon for $50 off the price of thecomputer. How much more moneydoes Keisha need to save to buythe computer?

$ more


Subtract Across Zeros

3MR 1.1


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3. A new house has 1,252 squarefeet of floor space. The ownerplans to cover 590 square feet

with carpeting and the rest withhardwood. How many square feetof hardwood will the owner need?

square feet

4. A can of paint can cover475 square feet. If the painterhas 2 cans of paint, can he cover900 square feet of walls?

Explain your answer.

1. Robert is 47 inches tall. His olderbrother Randy is 65 inches tall.How much taller is Randy thanRobert?

inches taller

2. Robert weighs 52 pounds.Randy weighs 68 pounds morethan Robert. How much doesRandy weigh?

pounds

5. Heather and Aaron each boughta set of markers. Heather paid$3.15 for her set. Aaron paid with

a $5-bill. He got back $2.35 inchange. How much more wereHeathers markers than Aarons?

$ more

6. There are 500 sheets of art paperin a pack. The pack has 125 whitesheets, 135 black sheets, and

115 yellow sheets. The rest of thesheets are red. How many redsheets of art paper are in the pack?

red sheets


Algebra: Expressions and Number Sentences

3AF1.1, 3AF1.3

Write an expression and a number sentence for each problem. Then solve.


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Multiplication as Repeated Addition

413NS2.2, 3MR2.3

Write an addition and a multiplication sentence.hen solve.

1. There are 3 people sitting at eachof 4 tables. How many people arethere in all?

2. Alisa needs to put 2 forks at eachof 8 table settings. How many forksin all does she need?

3. Renee jogs 5 miles a day, 4 dayseach week. How many miles doesshe jog each week?

miles

4. Henry lives 3 miles away fromthe mall. Henry can run a mile in6 minutes. If he can keep up thisspeed, how long will it take him to

run to the mall? minutes

5. It takes Sam 5 minutes to washa window. Sam has 9 windowsin his house to wash. If he starts

washing at 9:30 A.M., at what time

will he finish?

6. Heather spent $4 for a salad and$2 for a drink. She bought thesame lunch for 3 of her friends.She paid with three $10-bills. How

much change did she get back?


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t

Macmillan

/McGraw-Hill,

adivision

ofTh

e

McGraw-Hill

Com

panie

s,In

c.


Multiply by 2

433NS2.2

Write an expression for each situation.Then solve.

1. There are 2 daisies in each vase.There are 8 vases. How many

daisies are there in all?

daisies

2. Maria plants 2 tomato seeds ineach flower pot. If there are

6 flower pots, how many tomatoseeds did Maria plant?

tomato seeds

3. There are 7 people in the Smithfamily. They all keep their gloves inone box in the closet. Each personhas 2 pairs of gloves. How manypairs of gloves are in the box?

pairs of gloves

4. Dad paid the cashier with two$5 bills. How much money did hepay?

$

5. Letti is coloring 9 flowers on twopages. How many flowers will Letticolor?

flowers

6. There are 4 children in a line. Howmany legs are there in all?

legs


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Write an expression for each situation.

Then solve.


Multiply by 5

3NS2.2

1. There are 2 flowers in each vase.There are 5 vases. How manyflowers are there in all ?

flowers

3. There are 4 people in the Jonesfamily. They all keep their shoes inone closet. Each person has 5 pairsof shoes. How many pairs of shoesare in the box ?

pairs of shoes

5. Trish is coloring 7 flowers ona page. Each flower has 5 petals.How many petals must she colorto finish?

petals

2. Maria plants 5 seeds in each pot. Ifthere are 6 pots, how many seedsdid Maria plant ?

seeds

4. Mom bought five soccer balls. Shepaid with eight $5-bills. She did notget any change back. How muchdid the balls cost ?

6. Mrs. Ortiz bought 8 coloring booksas party favors. The books are $5each. She paid with two $20-bills.Will Mrs. Ortiz get any changeback ?

46


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Multiply.

1. 10 2. 10 3. 10 4. 10 5. 10

____

2____

9____

4____

8____

5

6. 10 7. 7 8. 10 9. 4 10. 10

____

3_____

10____

1_____

10____

6

11. 8 10 12. 10 7 13. 9 10

14. 10 10 15. 5 10 16. 6 10

17.There are 10 cats and 5 dogs. How many total legs are there?

18. A farmer has 10 cows. How many eyes and ears do the cows have?

Multiply. (Lesson 46)

19. 5 4 = 20. 7 5 = 21. 5 5 =

22. 5 6 = 23. 8 5 = 24. 5 3 =

25. 9 5 = 26. 6 5 = 27. 5 8 =

28. 5 7 = 29. 2 5 = 30. 5 9 =

Homework Practice

Multiply by 10

3NS2.2


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3NS2.2

Write a multiplication sentence for each situation.hen solve.

1. In a game, Carlos ran with thefootball three times. Each time, heran 10 yards. How many yards didhe run ?

yards

3. Hal shoes horses on a farm. Todayhe put horseshoes on all thehooves of 10 horses. How manyhorseshoes did he put on ?

horseshoes

5. Ellen drives a van for the animalshelter. The van holds 10 animals.

This week she made 6 trips to theshelter. How many animals didshe drive ?

animals

2. The Appletown Zoo has10 monkeys. Each monkey getsone banana a day. How manybananas do the monkeys eateach day ?

bananas

4. Nine women have an appointmentat the nail salon. Kiki will polishall of their fingernails. How manyfingernails will Kiki polish today ?

fingernails

6. A childrens TV show is on10 days each month. On everyshow, Burton the Clown plays 3

songs. In the last month, he sangsix of all the songs that wereplayed. How many times did he

notsing last month ?

times

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Inc.

53

Solve.

1. Every home on Main Street has a dog and other pets.The first house has 1 dog and 1 cat. The second househas 1 dog and 2 cats. The third house has 1 dog and3 rabbits. The fourth house has 1 dog and 4 angel fish. If thepattern continues, the fifth house has 1 dog and how manyhamsters?

2. Ann is a pet babysitter. She gets paid to help the familieson Main Street with their pets every day. The first week sheearned $2. The second, $4. The third, $6. The fourth, $8. Whatdid she earn by the seventh week?

3. Ann decided to set up a pet parade. She had the pet ownerswalking in rows with their pets. In the first row she put1 owner with 1 pet. The second row had 2 owners with1 pet each. The third row had 1 pet owner and 2 pets. Thefourth row had 2 pet owners with 2 pets each. The fifth rowhad 1 pet owner with 3 pets. If the pattern continues, whatdid the sixth row have?


4. 3 6 = 5. 4 6 =

6. 6 6 = 7. 7 6 =

8. 6 8 = 9. 6 5 =

Homework Practice


3MR1.1, 3AF2.2


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Multiply.

1. 7 3 = 2. 5 7 =

3. 6 7 = 4. 7 7 =

5. 7 8 = 6. 9 7 =

7. 4 7 = 8. 7 6 =

9. 7 10 = 10. 7 1 =

11. 7 0 = 12. 7 5 =

13. 7 4 = 14. 7 9 =

15. 8 7 = 16. 7 =35

17. 7 =14 18. 7 =49

Solve. Use thelook for patternstrategy. (Lesson 53)

19. Fred collected sports cards. He got the same number of newcards each week and sold the same number out of ones thathe had. Week 1, he had 10 cards and sold 2. Week 2, he got10 more and sold 2, giving him 16. Week 3, he got 10 moreand sold 2, giving him 24. How many cards did he have bythe end of Week 4?

20. After collecting more cards, Fred decided to put his cards inorder. He numbered all the cards related to baseballplayers 1. He numbered all the football cards 2. He numberedall the basketball cards 3. He has a total of 50 cards, with anequal number of number 2 and number 3 cards. He has20 number 1 cards. How many number 2 cards does he have?

54Homework Practice

Multiply by 7

3NS2.2


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Homework Practice

Multiply by 8

Multiply.

1. 8 3 = 2. 5 8 =3. 6 8 = 4. 7 8 =

5. 8 8 = 6. 9 8 =

7. 4 8 = 8. 8 6 =

9. 8 10 = 10. 8 1 =

11. 8 0 = 12. 8 5 =

13. 8 4 = 14. 8 9 =

15. 8 8 = 16. 7 =56

17. 8 =24 18. 8 =64


19. 7 5 = 20. 4 7 =

21. 10 7 = 22. 7 7 =

23. 7 8 = 24. 9 7 =

25. 2 7 = 26. 7 6 =

27. 7 10 = 28. 7 1 =

Solve.

29. Fred has collected a total of 80 cards. A display of Freds cards includes2 rows of football cards with 15 in each row. In front of the football cardsare 3 rows of baseball cards with 10 in each row. In front of the baseballcards are 4 rows of basketball cards. If the pattern continues, how manybasketball cards are in each of the 4 rows?

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Multiply by 9

3NS2.2

olve

1. Jose spends $9 on lunch eachday. How much does he spend forlunch in 2 days?

2. Carmens parrot eats 9 crackers aday. How many crackers will it eatin 4 days?

3. On Mr. Dugans farm, 9 cows canbe milked in an hour. Mr. Dugan

says that 45 cows will be milked in5 hours. Is he correct? Explain.

4. The So Rich cookie factory canbake 9 chocolate chip cookies

a minute. Can the factory fill anorder for 80 cookies in 9 minutes?Explain.

5. For the school talent contest,9 singers will perform for3 minutes each. Then 5 dancers

will perform for 4 minuteseach. There will be a 15-minuteintermission between the singingand dancing performances. If theshow starts at 2:00 P.M., at what

time will it end?

6. Ty works 9 hours a day and earns$6 an hour. Cal works 6 hours andday and earns $9 an hour. If theyboth work 5 days per week, whoearns more money?

Who works longer? Explain.


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Homework Practice

Relate Division to Subtraction

Divide. Use counters.

1. There are 24 cans of soda with 6 cans in each group. Howmany groups of cans of soda in all?

2. Jack has a bag with 10 marbles inside. He kept 2 and gavethe rest to his 4 friends. If he gives each friend the samenumber of marbles, how many will each friend get?

Find each missing number.

3. 10 =5 4. 12 =3

5. 16 =4 6. 36 =6

Divide. Use repeated subtraction on a number line or paperand pencil.

7. 12 2 = 8. 8 4 =9. 9 3 = 10. 15 5 =

Write the rule for each table. Then, complete the table.(Lesson 59)

11.Rule:

Input Output

1 9

27

6 54

9

12.Rule:

Input Output

3 21

35

7

9 63

3NS2.3, 3MR2.3


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Divide.

1. 8 2 = 2. 6 2 = 3. 10 2 =

4. 16 2 = 5. 20 2 = 6. 14 2 =

7. 12 2 = 8. 4 2 = 9. 18 2 =

Divide. Use repeated subtraction on a number line.

10. 2

12 11. 2

18

Divide. Write a related multiplication fact.

12. 16 2 = 13. 6 2 =

14. 20 2 = 15. 12 2 =

Solve. Use the choose an operationstrategy. (Lesson 63)

16. Liz has a fish tank with a total of 22 fish. She has an equalnumber of solid goldfish and spotted goldfish. How many

does she have of each kind of fish?

17.The back of the van has 2 seats that can seat 6 people. Thesame number of people can sit on each seat. How manypeople can sit on each seat?

Homework Practice

Divide by 2

3NS2.3, 3MR2.3


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Homework Practice

Divide by 5

Divide.

1. 30 5 = 2. 15 5 = 3. 40 5 =

4. 25 5 = 5. 10 5 = 6. 50 5 =

7. 35 5 = 8. 5 5 = 9. 45 5 =

ALGEBRAComplete each table.

10. 11.

Solve.

12. Allie wants to make iced tea. The directions say adding10 teaspoons of tea mix to 5 cups of water will serve5 people. She plans to use 1 cup of water. How manyteaspoons of tea mix should she use?

Divide. (Lesson 64)

13. 30 2 14. 18 2 15. 40 2

16. 26 2 17. 10 2 18. 14 2

OutputInput

3

6

9

15

20

30

45

Rule:

OutputInput

20

30

4

5

7

Rule:

3NS2.3, 3MR2.365


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Divide by 5

3NS2.3, 3MR2.3

olve.

1. Antonio scored 15 points on5 math questions on a test. Eachquestion was worth the samenumber of points. How manypoints did he score for eachquestion ?

points

2. School lunch costs $5. Marcus has$10. For how many days can hebuy lunch?

days

3. Erica works at a pet store. It takesher five minutes to put food and

water in each hamster cage. Howmany cages can she finish in35 minutes ?

cages

4. Joel is in charge of feeding thebirds in a pet store. Each bird cagegets 5 hanging seed strings. Joelused 45 seed strings to feed all ofthe birds. How many cages of birdsare in the store ?

cages

olve. Show your work.

5. Every Saturday, Mr. and Mrs.Thompson and their 3 childreneach have a hamburger for lunch.

There are 40 hamburger patties intheir freezer. In how many weeks

will they finish the last of thepatties ?

6. Today 25 girls and 20 boys rodetheir bikes to school. Each bikerack at school holds 5 bikes. Howmany bike racks were filled ?


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67Problem-Solving Practice

Divide by 10

3NS2.3, 3MR2.3

Solve.

1. There are 30 desks with 10 desksin each row. How many rows ofdesks are there?

2. Carl owns 20 video games. Hestores them in boxes. There are10 video games in each box. Howmany boxes are there?

3. Mary kept a record for 90 days

to see how many times she atefish for dinner. She ate fish every10 days. How many times did shehave fish for dinner in the last90 days?

4. Annie bought a bag of 80 mini-

carrots. She eats 5 carrots each dayfor lunch and eats another5 carrots as a snack at night. Inhow many days will the bag ofcarrots be empty?

5. Morgan has 90 cents in her

pocket and another 80 cents inher drawer. All of the change isin dimes. How many dimes doesMorgan have in all?

6. Ricky spent $90 at the supermarket.

He bought $30 worth of fruit. Therest of the money was spent onsteaks. If he bought 10 steaks andeach cost the same amount, whatwas the price of each steak?

5. Kayla has a box of 80 family

photos and a photo album with10 pages. How many photos mustshe fit onto each page of thealbum to keep all of the familyphotos in one album?

8. Bill has a collection of 60 books

that he wants to donate to thelibrary. He wants to put an equalnumber of books in each box.Write an equation to show how hecould divide the books into equalgroups.


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Inc.

72Homework Practice

Divide by 4

3NS2.3

Divide.

1. 16 4 2. 32 4

3. 28 4 4. 8 4

5. 36 4 6. 12 4

7. 40 4 8. 14 2

ALGEBRA Find each missing number.

9. 27 =9 10. 3 =10

11. 20 =5 12. 24 =4

ALGEBRA Copy and complete the table.

13.Rule: Divide by 4.

Input

Output

8

3

16 20

87

Divide. (Lesson 71)

14. 27 3 15. 30 3

16. 6 3 17. 12 3

18. 9 3 19. 15 3

20. 24 8 21. 18 6

22. 21 3 23. 33 3


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Divide by 4

723NS2.3

olve.

1. Each minute, 4 gallons of waterflow into the tub. There are now8 gallons of water in the tub. Howmany minutes did that take?

minutes

3. Eric pumps the front tire of his biketo 32 pounds. Each push of thepump puts 4 pounds of air intothe tire. How many times must Ericpush the pump to fill the tire?

times

5. Ollie lent $24 in equal amounts to4 of his friends. Melissa lent $18 inequal amounts to 3 of her friends.Who lent each friend more money?Explain.

2. The Finos have a carton of 12 eggs.If the family eats four eggs a day,how long will they have eggs toeat?

days

4. A boat rental shop rentspaddleboats that can hold up to4 riders. The shop has enoughpaddle boats for up to 28 people.How many paddleboats does theshop have?

paddleboats

6. A grocery store shelf can hold 4large boxes of laundry detergent.

The store clerk put 25 boxes oflaundry on the shelves. What is theleast number of shelves needed forthe display? Explain.


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Solve.

1. Mr. Frank is planning a parade.First, 36 musicians will marchand play. Second, 32 soldiers willmarch in uniform; third, 28 horses

will join. Fourth, will be clowns.How many clowns will walk in theparade?

3. Mr. Frank is collecting money torent the parade floats that will cost$40. He has $24 so far. How long

will it take to have enough moneyif he collect $4 a week?

5. There are 28 horses in the parade.

They are walking in rows, with 4horses in each row. How manyrows of horses are in the parade?

2. Every time Mr. Frank buys 4 potsof flowers for the float, the floweshop will give him 1 pot free.After 4 weeks, he had 50 pots offlowers. How many pots did he gfree?

4. There are a total of 30 floats forthe parade. The parade will lastabout 1 hour. Mr. Frank wants thfloats to travel at an equal pacethroughout the parade. How manfloats should travel through theparade in 30 minutes?

6. For every float, Mr. Frank wants6 people. If there are 20 floats,how many people will Mr. Frankneed?

Homework Practice


733MR1.1, 3AF2.2

Divide. (Lesson 72)

7. 24 4 8. 4 4

9. 28 4 10. 0 4

11. 36 4 12. 16 4


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ies,

Inc.

74

Divide.

1. 12 6 2. 18 6

3. 28 7 4. 36 6

5. 49 7 6. 14 7

7. 60 6 8. 21 7

9. 42

6 10. 63

9

ALGEBRA Complete the table.

11.Rule: Divide by 6.

Input

Output

36

2 10

24

7

12. Rule: Divide by 7.

Input

Output 7 8

35

6

63

Solve. Use the make a table strategy. (Lesson 73)

3NS2.3Homework Practice

Divide by 6 and 7

13. Rides at an amusement park cost$4 per person or $24 for every 6people. If a group of 21 people goto the amusement park, how muchwill they pay?

14. Renee is saving her money to buya T-shirt that costs $16. She saves$3 the first week, $5 the secondweek, $2 the third week, and $3the fourth week. How much moremoney will she need to save?


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Divide by 6 and 7

olve.

1. Len will put 18 goldfish into6 fishbowls. Each bowl will havethe same number of fish. Howmany goldfish will go in eachbowl?

goldfish

3. There are 54 cards in a card game.All of the cards are dealt out to theplayers. Each player gets 6 cards.How many players are inthe game?

players

5. Mother is making 6 goody bags forLeroys party. She will put 24 applefruit rolls and 24 cherry fruit rollsinto the bags. If she puts the samenumber in each bag, how manyfruit rolls will be in each goodybag?

fruit rolls

2. There are 14 customers standing in7 checkout lines. Each line has thesame number of customers. Howmany customers are in each line?

customers

4. The winning team scored49 points. There were 7 players onthe team. If each player scored thesame number of points, how manypoints did each player score?

points

6. There are 7 cupcakes for the party.Each cupcake has 1 candle foreach year of the birthday boysage. There is also an extra candleon each cupcake for good luck.If 49 candles were used on thecupcakes, how old is the birthdayboy? Explain.

3NS2.3


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Divide by 8 and 9

3NS2.3

olve.

1. A group of 8 children go to the fair.They share 16 balloons equally.How many balloons does eachchild get?

balloons

3. Marta bought 48 pieces ofsilverware. She puts them in a tray

with 8 sections. Each section hasthe same number of pieces. Howmany pieces of silverware are ineach section of the tray?

pieces

5. Ty and Shaheed each have36 rocks. They put their rockstogether in a box. The box has9 sections. If they put the samenumber of rocks in each section,how many rocks are in each?Explain.

2. A group of 9 people go on 27 ridesat the fair. Each one goes on thesame number of rides. How manyrides does each person go on?

rides

4. Mina sets the dining room table.Every night she puts out 45 dishesfor 9 places at the table. Howmany dishes are set at each place?

pieces

6. A mural in the aquarium showsoctopuses and starfish. Eachstarfish has 5 arms. Each octopushas 8 legs. There are 20 starfisharms in all. The combined numberof starfish arms and octopus legsis 60. How many octopuses are inthe mural? Explain.


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Find each unit cost.

1. 3 markers for $9

2. 5 books for $40

3. 1 sandwich for $3

Find the unit cost to determine the better buy.

4. 5 posters for $25

7 posters for $28

5. 9 pens for $18

5 pens for $15

Solve.

6. Sally has $10. Ice cream treats are 5 for $5. She buys3 ice cream treats. How much change will she receive?

Divide. (Lesson 75)

7. 18 9 8. 54 9

9. 63 9 10. 36 4

11. 27 9 12. 45 9

13. 99 9 14. 72 8

15. 81 9 16. 40 5

17. 56 7 18. 64 8

Homework Practice

Find Unit Cost

3NS2.7


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olve by finding each unit cost.

1. Dave is going camping with his family. Sleeping bags areon sale for 3 for $60. He has to buy 3 to get the sale price.One sleeping bag costs $25. Dave needs 5 sleeping bags.Would Dave save money if he got 6 sleeping bags?

2. Dave has to buy 1 flashlight for each of the 5 members of his

family. He spent $50. How much did each flashlight cost?

3. Dave needs to find the best buy on bottled water. He canget a case of 48 bottles for $24, or he can get 5 cases of10 bottles for $3 a case. Which is the better buy?

4. Dave bought 6 cans of soup for $3. How much would it costfor 1 can?

5. The campground charges $210 a week. How much does1 day cost?

6. Daves family spent $27 on gasoline to drive to the camp-ground. They used 9 gallons of gasoline. How much did gascost per gallon?


Find Unit Cost

3NS2.7


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Macmillan


ies,

Inc.

Solve. Use any strategy.

1. Cindy and Pam bought 24 roses for their mother. Roses cost$12 for 12. How much did they spend altogether?

2. Cindy decided to grow her own roses. One rose bush cost$20 and produced 10 roses. Since Cindy paid $12 for 12roses the year before, did Cindy save money this year bygrowing her own roses? Explain.

3. ALGEBRA What is the next number in the pattern?72, 75, 78, 81,

4. Sue and her brother Bill were given a case of 30 juice drinks.Sue drinks 2 a day and Bill drinks 1 a day. How long will thecase of drinks last?

Find each unit cost . (Lesson 76)

5. 4 balls for $12

6. 5 notebooks for $5

7. 2 paint sets for $6

Find the unit cost to determine the better buy.

8. 10 ice pops for $10

5 ice pops for $10

9. 6 books for $18

3 books for $12

Homework Practice


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Write an expression and create an equationfor each situation.

1. The Lopez family of 4 went camping 5 years in a row. Everyyear they brought 2 different guests. How many guests didthey bring all together?

2. The Lopez family has 3 tents, and each tent has room for3 people. How many people do they have room for alltogether?

3. There are 20 campers in each section of the campground,with an equal number in each section. There are 4 sections.

How many campers are in each section?

4. Over the 5 years that the Lopez family went camping, theymade 8 new friends each year. How many new friends didthey make altogether?

5. Thirty-two of the Lopez familys new friends came from 4different states, with the same number from each state.How many came from each of the states?


Algebra: Expressions and Equations

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Write each phrase as an expression. Then solve.

1. 56 students divided equallyamong 7 tables.

2. the totalof 7 classes of 10 students

3. 65 less than75

4. 25more than50

5. differencebetween 34 and 30

6. run2 timesa day for 30 minutes each time

7. theproductof 9 and 8

8. 4 boxeshave6 books

Write two word phrases for each expression.

9. 25 5

10. 7 8

Choose one of the symbols +, -, , or to make theequation true. (Lesson 78)

11. 65 5 =10 6

12. 64 8 =8 1

Find a number to make the equation true.

13. 6 4 = 2

14. 9 9 =50 +

15. 8 6 = 9

16. 7 9 =50 +

Homework Practice

Algebra: Translate Words to Expressions

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Write an expression for each situation. Then solve.

1. Eva has $10 more than Trina. Trina has saved $2 each day fora week. How much money does Eva have?

2. Berto is 10 years older than Suna. Suna is 15 years old. Howold is Berto?

3. Molly will be on vacation at the beach with Ana for 8 days.Tino will join them for half of the time that they are at thebeach. How long will Tino stay at the beach?

4. At 4:00 P.M. in the afternoon, there were only 4 bikes left in

the bike rack at school. At noon, there were 10 times thatmany bikes in the rack. How many bikes were in the rack atnoon?

5. Each package of chicken soup mix serves 6 people. Rubywants to serve 36 people chicken soup. How many packages

of soup should she buy?

6. Mrs. Perez bought 27 balloons. If 9 children come to hersons birthday party and she divides the balloons equally,how many balloons will each child bring home?


Algebra: Translate Words to Expressions

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Inc.

Use an inch ruler. Draw a line for each length.

3MG1.181

Homework Practice

Length to the Nearest Half Inch

1. 3 and 1__2inches

2. 1__2inch

3. 5 inches

4. Kevins ruler is broken and starts at 1 3__4inches. If hewants to draw a line that is 2 inches long, at what point willhe stop his pencil?

Using what you know about measurement, answer the question.

5. Which is the best choice for measuring, using paper clips orusing a ruler? Explain.

Use knowledge of expressions to answer the question.

6. You know that Melinda has $5. Janet has $10 more thanMelinda. What doesmoremean? How much money doesJanet have?

Write an expression.

7. Betty volunteered at the pledge drive for 13 hours. Herbrother volunteered for half as long.


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Choose the most appropriate to unit measure each length.Choose from inch, foot, yard, or mile.

1. width of a pizza box

2. length of a football field

3. height of a telephone pole

Choose the best estimate.

4. the length of a table 10 feet or 10 miles

5. the height of a book 12 inches or 12 miles

6. New York to Chicago approximately 1,000 miles orapproximately 1,000 feet

82Homework Practice

Customary Units of Length

Convert.

7. 36 inches = feet 8.3 feet = yard(s)

9. 9 feet = inches 10.3 yards = feet

Use an inch ruler to answer the to answer the followingquestions. (Lesson 81)

11. Is the width of a crayon closer to an inch or a half inch?

Draw a line for each length.

12. 2 inches

13. 11

__

2

inches

half inch


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3MG1.1Problem-Solving Practice

Customary Units of Length

olve.

1. How many inches long is thepencil shown in the picture?

2. What measuring tool would youuse to measure the length of yourfoot?

3. Kira went on a hiking trip. She

hiked for 4 hours in one day. Whatunit of measurement would youuse to tell the distance she walkedin 4 hours?

4. Hector wants to measure the

length of his dogs tail. What tool ishe most likely to use?

What unit of measure?

5. Carrie wants to make a paper coverfor her math book. Explain how

you would measure a book to findout how much paper to use.

6. There will be a new floor in thegym. The principal had to find thelength and width of the gym. Themeasurements were written onthe order form, but the units ofmeasure were accidentally erased.

The order form said the gym floor

is 15 by 20 . Whatunits of measure were most likelyerased?


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Inc.

83

Solve. Use the work backwardstrategy.

3MG1.2Homework Practice


1. Mr. Lawrence has 20 students now. At the beginning of theweek he had double the amount plus 1. How many studentsdid he have at the beginning of the week?

2. Janet ate lunch for one hour. Then, she cleaned up her roomfor 2 hours before leaving to visit a friend at 4 P.M. What time

did she start her lunch?

3. Juan walked a total of 15 miles this week. He walked thesame distance on Monday as he did on Tuesday. He walked7 miles on Wednesday and 1 mile on both Thursday andFriday. How many miles did he walk on Tuesday?

Choose the best unit of measurement. (Lesson 82)

4. To measure the length across a gym.

5. To measure the height of a drinking glass.

Convert.

6. 4 feet = inches 7.1 yard = feet

8. 36 inches = feet 9.6 feet = yards


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Choose customary units of capacity.

84Homework Practice

Customary Units of Capacity

3MG1.1

1. What unit would you use tomeasure the capacity of a glassof milk?

2. What would you use to measure jug of orange juice?

Convert.

3. 5 pints = cups 5. 2 quarts = cups

7. 1 gallon = cups

4. 4 gallons=

quarts 6. 3 gallons = quarts

8. 2 pints = cups

Solve. Use the work backwardstrategy. (Lesson 83)

9. Sarah went to a show. The performer put a scarf into a hat.When he pulled it out it was twice as long. When he did itagain the scarf was 5 inches shorter and measured a total of17 inches. How long was the scarf before the trick began?

10. After a pattern repeats itself 5 times, there are 15 circles,5 squares, and 10 hearts. How many of each shape are therein the original pattern? Can we tell what the pattern is?


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Use any strategy to solve. Tell what strategy you used.

1. The class has 25 students. Each student has 4 pencils at theirdesks. How many pencils are there altogether?

2. What numbers are missing in the pattern below?2, 4, __, 16, ____, 64, ____

3. Amy ran 8 blocks to get to her friends house. The way homewas half as long. How many blocks was the total trip?

4. Marcus had a birthday party. He invited 6 friends from school,5 from his soccer team, and 12 from other places. How many

were invited in all?

Answer these questions about customary units of capacity. (Lesson 84)

Homework Practice


3NS2.8

5. Name three items in a grocerystore that are measured bycapacity.

Convert.

7. 16 quarts = gallons

6. Kenny has 16 cups of milk. Howmany gallons does have?

8. 1 pint = cups


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Predict whether the following items weighless than onepound, about one pound, ormore than one pound.

1. a bike 2.a pencil

3. a soccer ball

Convert.

4. How many ounces are in 4 pounds?

5. How many pounds are 32 ounces?

Choose the better estimate.

6. An empty plastic jug 4 oz or 4 lb

7. A pair of socks 2 oz or 1 pound

Solve.

86Homework Practice

Customary Units of Weight

3MG1.1

8. What is the total weight of a bag ofpotatoes that weighs 5 pounds anda box of rice that weighs 32 ounces?

9. One bag of oranges weighs 3 pounand 4 ounces. A bag of apples weig64 ounces. Which one is heavier?

Use any strategy to solve. (Lesson 85)

10. How many quart jugs of water willit take to fill a gallon jug?

11.Jimmy and Karen went to buy somlunch. Jimmy spent $3.50 and Karspent $4.25. If they paid $10.00,how much change did they receiv


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Customary Units of Weight

olve.

1. Jake bought a bag of apples. Doesit weigh about 3 pounds or3 ounces?

2. A loaf of bread weighs about1 pound. About how manyounces does it weigh?

3. Peggy told her mom that the newpuppy weighs, about 3. Shedidnt give the unit. What unit of

weight should she have said afterthe number 3?

4. A customer weighs an orange on thescale in the fruit store. The orange

weighs 5 ounces. The customer doesnot want to buy more than 1 poundof oranges. What is the greatestnumber of oranges the customer canbuy? Explain.

5. Bart is putting groceries in a paperbag. He bought a loaf of bread, acupcake, a bag of 10 apples, a bagof flour, and a bag of chips. Heputs 3 items in one bag. Now thebag weighs about 2 pounds. Which3 items did he probably put in the

bag?

6. A bag of white potatoes weighs2 pounds. A bag of sweet potatoes

weighs 16 ounces. Tell how youcould rearrange the potatoes sothat you have two bags of potatoesthat weigh the same.

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Homework Practice

Convert Units of Time

Convert.

1. 4 hours = minutes

3. 1__2hour = minutes

5. 180 minutes = hours

Solve.

7. Janet plans to meet her friend tosee a movie at 6:45. It will take hera quarter of an hour to get ready toleave her house and 3 quarters ofan hour to get to the theatre. Whattime must Janet start getting readyin order to be on time to meet herfriend?

2. 360 minutes = hours

4. 3 quarter hours = minute

6. 12 hours = minutes

8. Juan wants to have dinner readyby 6:30. It takes 30 minutes for tenchilada casserole to be ready. Halso wants to serve chicken wing

which will take 1 hour 15 minuteWhat times must he put thechicken wings and the casserole the oven in order to have all the

food ready on time?

3MG1.4

Use customary units of weight to solve the problems. (Lesson 86)

9. How many ounces are in a pound?

11. How many ounces are in 1 pound

7 ounces?

10. If 1 soccer ball weighs about onepound and 1 golf ball weighsabout 1 ounce, how many golfballs =1 soccer ball?


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Inc.

91

1. List 4 things you may measure in millimeters:

Choose the most appropriate unit to measure each length.Write millimeter, centimeter, meter, or kilometer.

2. width of a pencil 5.height of a lamp

3. thickness of a banana peel 6.distance to school

4. thickness of a pillow 7.length of a soccer field

Choose the best estimate.

8. CD case 9.computer mouse 10.TV monitor

12 mm or 12 cm 13 mm or 13 cm 70 cm or 70 m

Convert the units.

11. 3 hours = minutes 12. minutes =4 quarter hours

13. hours = 120 minutes 14. minutes =1 hour and half

15. minutes =1 quarter hour 16.4 hours = minutes

0 10 1

Homework Practice

Metric Units of Length

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1 cm


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Metric Units of Length

olve.

1. Which is about 1 centimeter long:a fingernail or a pencil?

2. Which metric unit would you useto measure the distance betweenthe front of the classroom and theback of the classroom?

3MG1.1

3. A tomato plant is a little less than

1 yard in height. How can youdescribe this length in metric units?

4. Estimate the length of the crayon

in centimeters.

about centimeters

red

Now use a centimeter ruler tomeasure the length of the crayon

to the nearest centimeter.

centimeters

5. Gail and Eric estimated the lengthof a screwdriver. Eric estimatedabout 11 cm. Gail said about10 cm. They used a ruler tomeasure it, and found it wasexactly 10.8 cm. Who had a betterestimate? Why?

6. Estimate your height to the nearestmeter.

About meters

Now use a metric ruler to checkyour estimate. What is your height?

meters

Was your estimate close?

Explain.


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1. Dolores bought some new pillowsfor her living room. She boughttwice as many green pillows asblue pillows, and one less redpillow than green pillows. Shebought 9 pillows altogether. Howmany pillows of each color did shebuy?

2. Pam and Casey swim every day.Pam swims twice as far as Casey,but they always finish at the samtime. If they both begin at 8 A.M.,and Casey swims 500 meters, homany meters does Pam swim?

92Homework Practice


3MR1.1

Solve. Use theguess and checkstrategy.

Write the number that makes each sentence true.(Lesson 91)

5. 100 cm = m 6.100 mm = cm

7. 5 m = cm 8.1,000 cm = m

9. 3 cm = mm 10.30 cm = dm

11. m = 400 cm 12. mm = 20 cm

3. Arthur reads every day. Onweekdays he reads at least30 minutes a day. On the

weekends, he reads twice as long.About how long does he readeach week?

4. Cecilia was burning a new CD forfriend. The CD could record up to60 minutes. How many 3- or4- minute songs could Cecilia buon to the CD?


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Homework Practice

Metric Units of Capacity

Choose the most appropriate unit to measure each capacity.Writemilliliterorliter.

1. bottle of soda 2.water in a pool

3. dressing on salad 4.cream in coffee

5. hot chocolate in a mug 6.water in a birdbath

Write the number that makes each sentence true.

7. mL =4 L 8. L =3,000 mL 9. mL =8 L

10. mL =15 L 11.11 L = mL 12.27 L = mL

liter

3MG1.1

13. Hugo made some cupcakes. Heused 10 mL of icing for eachcupcake. How many mL will he useif he ices 24 cupcakes?

14. Lina is making soup for her familIf she makes 3 L of soup andneeds to fill 6 bowls that hold400 mL, will she have enough

soup?

Solve. Use theguess and checkstrategy. (Lesson 92)

15. Mirna is making muffins for the

bake sale. One batch is blueberryand one batch is banana nut. The

third batch is twice as big as theblueberry and banana nut batch. IfMirna made 96 muffins, how manymuffins were in the blueberry andbanana nut batches?

16. Dan watched soccer practice for a

hour on Tuesday. Wednesday andThursday he watched twice as lo

and on Friday, he watched an holonger than he did the day beforeHow much time did Dan spend

watching soccer practice?

93


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Metric Units of Capacity

olve.

1. Tanya has a cold. What metric unitof measure should her mother useto measure the amount of liquidcold medicine Tanya should take?

3. Lisa bought a liter of water. She

drank 250 milliliters. How muchwater is left in the bottle?

5. Maurice used a glass that held250 milliliters of liquid to fill a2-liter bottle. How many times did

he have to refill and pour thewater from the glass to fill thebottle? Explain.

2. Circle the best estimate for each. Bottle cap: 40 L 40 mL Bucket: 7 L 7 mL Mug: 480 L 480 mL

List the containers in order fromleast to greatest capacity.

4. The chef put 2 teaspoons of vanillaextract into a cake recipe. Abouthow much vanilla extract is this,2 mL or 2 L?

6. Below is Dena's recipe forfruit punch. Write the missingmetric units of capacity for eachingredient.

Dena's Fruit Punch

Frozen orange juice: 2

Pineapple juice: 360Apple juice: 1

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1. Leo was building a fence. Thefence was 63 meters long. If Leoplaced a post every 9 meters, howmany posts would he need?

3. Benito was painting some rooms in

his house. Each room used 1 literof paint, but his living room used2 liters. If Benito paints 6 rooms,how many liters of paint did heuse?

2. Ciana baked a batch of cookies.Susana ate 4 cookies, Dimas ate7 cookies, Pedro ate 6 cookies anCiana ate 3. There were 4 cookieleft over. How many cookies didCiana bake?

4. Olivia picked 2 1_

2kilograms of

cherries. She divided the cherriesevenly among 10 small baskets.How much did each basket hold?

94Homework Practice


Compare. Use , or =.(Lesson 93)

5. 4 L 4,000 mL 6. 500 mL 1 L

7. 10,000 mL 100 L 8. 3,500 L 3,500 mL

3MR2.3, 3MR2.8

Use any strategy to solve.

9. At Carmens birthday party, each

child drank at least 450 mL ofpunch. Carmen invited 12 of herclosest friends. If Carmens mommade 5 L of punch, was thereenough? Explain your answer.

10. Marcos was filling his small pool

in the backyard. The hose wasnot working and he had to use abucket to fill his pool. The poolheld 600 liters of water. His buckheld 5 liters. How many times

would he have to fill his bucket iorder to fill the pool?


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Homework Practice

Metric Units of Mass

1. List 4 things you may measure in grams:

2. List 4 things you may measure in kilograms:

Choose the most appropriate unit to measure each mass.

Writegramorkilogram.

3. one strawberry 4.a bag of flour 5.a bag of concrete

6. cocoa mix 7. rubber bands 8.a bag of dog food

Use any strategy to solve. (Lesson 94)

9. Cheryl is stringing beads for bracelets. She can fit 35 beadson each length of string. If she has 315 beads, how manybracelets can she make?

10.The school hallway is 50 meters. How many times would youhave to walk up and down the hall to walk a full kilometer?

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Metric Units of Mass

olve.

1. List the items below in order fromleast to greatest mass.

sheet of paperbox of crayonsfeather

3. A paper clip has a mass of 1 gram.A box of paper clips has a mass of1 kilogram. How many paper clipsare in the box?

5. Wendy estimates that 5 of her

erasers have the same mass asher box of pencils. Each of hererasers has a mass of 150 grams.

The box of pencils has a mass of1 kilogram. Is her estimate correct?Explain.

2. What metric unit of mass wouldyou use to measure the mass of aspoon?

4. A liter of water has a mass ofabout 1 kilogram. Matt carries a

liter of water and 750 grams ofgranola bars in his lunch box. Doesthe water or box of granola barshave a greater mass? Explain.

grade 3 mathematics work book

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Transcript of grade 3 mathematics work book