California Mathematics · 2010-08-13 · that students highlight or star the terms they do not...

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ISBN: 978-0-02-105813-6MHID: 0-02-105813-X

Printed in the United States of America.

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CONTENTSTeacher’s Guide to Using the Chapter 13 Resource Masters ....................iv

Chapter ResourcesChapter 13 Graphic Organizer .......................... 2Chapter 13 Student Glossary ............................ 3Chapter 13 Anticipation Guide .......................... 4Chapter 13 Chapter Game ................................ 5

Lesson 13-1 Add Hundreds

Reteach ............................................................. 6Skills Practice .................................................... 7Homework Practice ........................................... 8Problem-Solving Practice .................................. 9Enrich .............................................................. 10

Lesson 13-2 Regroup Ones

Reteach ........................................................... 11Skills Practice .................................................. 12Homework Practice ......................................... 13Problem-Solving Practice ................................ 14Enrich .............................................................. 15

Lesson 13-3 Regroup Tens


Lesson 13-4 Problem-Solving Strategy: Make a Table

Reteach ........................................................... 21Skills Practice .................................................. 23Homework Practice ......................................... 24Enrich .............................................................. 25

Lesson 13-5 Estimate Sums


Lesson 13-6 Add Money


Lesson 13-7 Problem-Solving Investigation:

Choose a Strategy

Reteach ........................................................... 36Skills Practice .................................................. 38Homework Practice ......................................... 39Enrich .............................................................. 40

Chapter 13 AssessmentIndividual Progress Checklist .......................... 41Chapter 13 Diagnostic Test ............................. 42Chapter 13 Pretest .......................................... 43Chapter 13 Mid-Chapter Test .......................... 44Chapter 13 Vocabulary Test ........................... 45Chapter 13 Oral Assessment .......................... 46Chapter 13 Listening Assessment .................. 48Chapter 13 Project Rubric ............................... 50Chapter 13 Foldables Rubric .......................... 51Chapter 13 Test, Form 1 ................................. 52Chapter 13 Test, Form 2A ............................... 54Chapter 13 Test, Form 2B ............................... 56Chapter 13 Test, Form 2C .............................. 58Chapter 13 Test, Form 2D .............................. 60Cumulative Standardized Test Practice .......... 62

Answers ................................................. A1–A28

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PDF PASS CORRECTIONS

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iv

Chapter ResourcesGraphic Organizer (page 2) This master is a tool designed to assist students with comprehension of grade-level concepts. You can use this graphic organizer in coordination with the appropriate lesson. While the content and layout of these tools vary, their goal is to assist students by providing a visual representation from which they can learn new concepts.

Student Glossary (page 3) This master is a study tool that presents the key vocabulary terms from the chapter. You may suggest that students highlight or star the terms they do not understand. Give this list to students before beginning Lesson 13-1. Remind them to add these pages to their mathematics study notebooks.

Anticipation Guide (page 4) This is a survey designed for use before beginning the chapter. You can use this survey to highlight what students may or may not know about the concepts in the chapter. If feasible, interview students in small groups, asking them the questions in the guide. There is space for recording how well students answer the questions before they complete the chapter. You may find it helpful to interview students a second time, after completing the chapter, to determine their progress.

Game (page 5) A game is provided to reinforce chapter concepts and may be used at appropriate times throughout the chapter.

Resources for LessonsReteach Each lesson has an associated Reteach worksheet. In general, the Reteach worksheet focuses on the same lesson content but uses a different approach, learning style, or modality than that used in the Student Edition. The Reteach worksheet closes with computational practice.

Skills Practice The Skills Practice worksheet for each lesson focuses on the computational aspect of the lesson. The Skills Practice worksheet may be helpful in providing additional practice of the skill taught in the lesson. It also contains word problems that cover the skill. Spaces for students’ answers are provided on the worksheet.

Homework Practice The Homework Practice worksheet provides an opportunity for additional computational practice. The Homework Practice worksheet includes word problems that address the skill taught in the lesson. Spaces for students’ answers are provided on the worksheet.

Problem-Solving Practice The Problem-Solving Practice worksheet presents additional reinforcement in solving word problems that applies both the concepts of the lesson and some review.

Enrich The Enrich worksheet presents activities that extend the concepts of the lesson or offer a historical or multicultural look at the lesson’s concepts. Some enrichment materials are designed to widen students’ perspectives on the mathematics they are learning.

Resources for Problem-Solving Lessons In recognition of the importance of problem-solving strategies, worksheets for problem-solving lessons follow a slightly different format. For Problem-Solving lessons, a two-page Reteach worksheet offers a complete model for choosing a strategy. For each Problem-Solving Strategy lesson, Reteach and Skills Practice worksheets offer reinforcement of the strategy taught in the Student Edition lesson. In contrast, the Problem-Solving Investigation worksheets include a model strategy on the Reteach worksheets and provide problems requiring several alternate strategies on the practice worksheets.

Teacher’s Guide to Using the Chapter 13 Resource Masters

The Chapter 13 Resource Masters includes the core materials needed for Chapter 13. These materials include worksheets, extensions, and assessment options. The answers for these pages appear at the back of this booklet.

All of the materials found in this booklet are included for viewing and printing on the TeacherWorks Plus™ CD-ROM.

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Assessment OptionsThe assessment masters in the Chapter 13 Resource Masters offer a wide variety of assessment tools for monitoring progress as well as final assessment.

Individual Progress Checklist This checklist explains the chapter’s goals or objectives. Teachers can record whether a student’s mastery of each objective is beginning (B), developing (D), or mastered (M). The checklist includes space to record notes to parents as well as other pertinent observations.

Chapter Diagnostic Test This one-page test assesses students’ grasp of skills that are needed for success in the chapter.

Chapter Pretest This one-page quick check of the chapter’s concepts is useful for determining pacing. Performance on the pretest can help you determine which concepts can be covered quickly and which specific concepts may need additional time.

Mid-Chapter Test This one-page chapter test provides an option to assess the first half of the chapter. It includes both multiple-choice and free-response questions.

Vocabulary Test This one-page test focuses on chapter vocabulary. It is suitable for all students. It includes a list of vocabulary words and questions to assess students’ knowledge of the words.

Oral Assessment This two-page test consists of one page for teacher directions and questions and a second page for recording responses. Although this assessment is designed to be used with all students, the interview format focuses on assessing chapter content assimilated by ELL students. The variety of approaches includes solving problems using manipulatives as well as pencil and paper.

Listening Assessment This two-page assessment contains one page for teacher directions and one page for responses/recordings. This assessment, too, is suitable for all students but is designed primarily for use with students who may have difficulty reading test materials. The assessment directions progress in difficulty from simple at the beginning of the year to more extensive at the end of the year.

Chapter Project Rubric This one-page rubric is designed for use in assessing the chapter project. You may want to distribute copies of the rubric when you assign the project and use the rubric to record each student’s chapter project score.

Foldables Rubric This one-page rubric is designed to assess the chapter Foldable. It is written to the students, telling them what you will be looking for as you evaluate their completed Foldable.

Leveled Chapter Tests• Form 1 assesses basic chapter concepts

through multiple-choice questions and is designed for use with below-level students.

• Form 2A is designed for on-level students and is primarily for those who may have missed the Form 1 test. It may be used as a retest for students who received additional instruction following the Form 1 test.

• Form 2B is designed for students with a below-level command of the English language.

• Form 2C is a free-response test designed for on-level students.

• Form 2D is written for students with a below-level command of the English language.

Cumulative Standardized Test Practice This two-page test, aimed at on-level students, offers a page of multiple-choice questions and a page of free-response questions.

AnswersThe answers for the Anticipation Guide and Lesson Resources are provided as reduced pages with answers appearing in black. Full size line-up answer keys are provided for the Assessment Masters.

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Grade 2 2 Chapter 13

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13 Graphic OrganizerThree-Column Chart

A suggestion for how to complete this graphic organizer can be found in the answer pages at the back of this book.

A B C

1.

2.

3.

Tell a friend what you learned.

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13

Vocabulary Term Definition / Description / Example

add To join together sets to find the total or sum.2 + 5 = 7

hundreds The numbers 100–999. Also, a number place.In the number 234, 2 is in the hundreds place, which means that there are 2 hundreds in this number. [Lesson 13.1]

regroup To take apart a number to write it in a new way.1 ten + 2 ones becomes 12 ones

round To change the value of a number to one that is easier to work with. 24 rounded to the nearest ten is 20.

sum The answer to an addition problem.2 + 4 = 6 sum

Student Glossary


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Directions: Before you begin Chapter 13, ask students the following questions. You may want to ask the same questions after students complete the chapter.

Before Chapter

After Chapter

1. How is 2 + 3 similar to 200 + 300?

2. Do you need to regroup to add 464 + 417?

3. Dan has 343 ball cards. His brother has 162. How can you estimate how many cards they have in all?

4. There are 5 people in each tent. What is a good way to find out how many people are in 4 tents?

5. Marco has 374 marbles. He loses 10. How many tens does Marco have left?

6. Amir paid $3.11 for a sandwich and milk. He paid another 89 cents for an apple. True or false: to find the total, write:

$ 3.11 + 89.00

Anticipation Guide


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Ready

You will need:

9 index cards, paper, markers, 2 game pieces

Set

Write the word tens on 3 cards. Write the word hundreds on 3 cards.

Place them facedown in a stack. Copy and enlarge chart below.

Chapter 13 Game Using Facts

13

100 200 300 400 500 600

400 500 600 700 800 900

70 80 90 100 110 120

10 20 30 40 50 60

GO!

1. Pick a card and move the game piece to either a tens row or a hundreds row.

2. Add the first two squares to get a sum. On the next turn, pick a card and add the nearest ten or hundred to your sum. The first player to get a sum of 1,000 wins.


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Preparation: Hundred cubes are needed for this activity.Using a model can help add hundreds.

200 + 300 = ?

count: 100, 200 count on: 300, 400, 500

200 + 300 = 500

Use hundred cubes to model each problem.

Write your answer.

1. 100 + 200 =

Reteach

Add Hundreds

13-12NS2.2, 2AF1.0

2. 100 + 300 =

4. 100 + 100 =

6. 200 + 100 =

3. 200 + 200 =

5. 200 + 300 =

7. 400 + 100 =

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Skills Practice

Add Hundreds

Add.

1. 4 hundreds + 2 hundreds = hundreds

400 + 200 =


300 + 300 =


500 + 400 =

4. 200 500 400 700 400+ 100 + 200 + 300 + 100 + 200

Solve.

5. Kal has 400 pennies. His sister also has 400 pennies. How many pennies do they have in all?

hundreds + hundreds = hundreds

400 + 400 = pennies

6. Joy has 300 stickers. Juan has 500 stickers. How many total stickers are there? Write a number sentence to solve.

hundreds + hundreds = hundreds

+ = stickers

2NS2.2, 2AF1.0


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Homework Practice

Add Hundreds

Add.

1. 300 200 700 200 100+ 100 + 400 + 100 + 300 + 400

2. 600 300 600 800 400+ 100 + 200 + 200 + 100 + 500

3. 500 400 500 200 100+ 200 + 200 + 300 + 200 + 700

4. 300 400 100 200 100+ 300 + 300 + 100 + 200 + 800

Solve.

13-1

5. There are 400 students in the second grade. There are 400 students in the third grade. How many students are there in all?

students

6. 400 parents came to the school concert on Thursday. 500 parents came to the school concert on Friday. How many total parents came to the concerts?

parents

2NS2.2, 2AF1.0

7. Look back over this page. Circle every answer that is greater than 450.


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Problem-Solving Practice

Add Hundreds

Solve.

1. The fair comes to town. There are 300 yellow balloons and 200 green balloons. How many balloons are there in all?

3 hundreds + 2 hundreds =

hundreds

3. 200 girls and 200 boys go to the fair on Saturday. How many go on Saturday in all?

200 + 200 = children

5. How many bags of popcorn were sold in all?

How many bags of peanuts were sold in all?

2. There are 500 blue streamers and 200 orange streamers. How many streamers are there in all?

5 hundreds + 2 hundreds =

hundreds

500 + 200 =

4. The fair sells 400 tickets on Saturday and 500 on Sunday. How many tickets are sold in all?

400 + 500 = tickets

6. Were more bags of popcorn sold or peanuts sold?

Fair Snack-Stand Sales

Snack Saturday Sunday

Bags of popcorn 400 200

Bags of peanuts 300 400

2NS2.2, 2AF1.0


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13-1Enrich

Greater than 1,000

Draw lines to connect two or more numbers

whose sums are > 1,000.

100 200 300

200 300 400

300 400 500

500 600 700

600 700 800

700 800 900

Write six of the number combinations on the lines.

2NS2.2, 2AF1.0


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Preparation: Base-ten blocks are needed for this activity.

You can use cubes to model regrouping.

Find 247 + 136.

247

7+ 6 13 ones = 1 tens 3 ones

+ 136

Regroup the ones.

Then add the tens and hundreds.

Put the new ten

in the tens place! Leave the 3 ones in the

ones place!

1 247 + 136 383

3 8 3

So, 247 + 136 = 383

Use cubes to model each problem. Regroup blocks to solve.

1. 129 + 203 = 2. 262 + 119 =

3. 288 + 306 = 4. 469 + 228 =

Reteach

Regroup Ones

13-22NS2.2, 2AF1.2


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Skills Practice

Regroup Ones

Preparation: Base-ten blocks are needed for this activity.Use to add.

1. onestenshundreds

+43

11

69

8 52

1 2. onestenshundreds

+

42

21

58

3. onestenshundreds

+

43

11

69

4. 271 + 309 = 5. 325 + 106 =

6. 183 + 408 = 7. 262 + 129 =

8. 364 + 317 = 9. 176 + 418 =

10. 237 + 155 = 11. 162 + 318 =

12. 308 + 304 = 13. 219 + 143 =

Use to solve.

14. Ira has 315 dominoes. Li has 158 dominoes. How many dominoes in all?

dominoes

15. Jose has 224 marbles. Bess has 357 marbles. How many total marbles?

marbles

13-22NS2.2, 2AF1.2

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Homework Practice

Regroup Ones

Add.

1. onestenshundreds

+

62

42

95

9 46

1

2. onestenshundreds

+

52

23

48

3. onestenshundreds

+

52

27

89

4. onestenshundreds

+

35

52

25

5. 352 + 439 = 6. 283 + 709 =

7. 605 + 176 = 8. 819 + 104 =

9. 411 + 269 = 10. 737 + 146 =

Solve.

11. Ms. Kim’s class has 486 blocks. Mr. Vega’s class has 406 blocks. How many total blocks?

12. Find the pattern. Fill in the missing numbers.

911, 902, 893, , , 866,

2NS2.2, 2AF1.2

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13-2Problem-Solving Practice

Regroup Ones

Preparation: Extra paper is needed for this activity.Solve. Use another sheet of paper to regroup the

ones, if needed.

1. There are 127 blue flags and 133 white flags. How many flags are there all together?

flags

3. The circus performed 247 days last year. It performed 235 days the year before. How many days did it perform in those two years?

days

5. The circus orders 348 pounds of hay from Farmer Green and 437 pounds of hay from Farmer Brown. How many pounds does the circus order in all?

pounds

2. The circus travels 246 miles on Tuesday. It travels 225 miles on Wednesday. How many miles does it travel in all?

miles

4. There are two tigers in the circus. One tiger weighs 206 pounds. The other tiger weighs 188 pounds. How much do they weigh together?

pounds

6. The circus spends 466 dollars on food and 329 dollars on water. How much money does it spend on food and water?

dollars

Does it spend more or less

than $800?

2NS2.2, 2AF1.2


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Enrich

Regroup to Win

Preparation: Two unit cubes are needed for this activity.Play a game with a partner.

The younger player goes first.

How to Play:

• Toss two cubes onto the gameboard. Each cube should land on a square with a number.

• Write the two numbers as an addition problem. Solve it.

• Check your answer. If it is correct, you get one point.

• If your answer is not correct, the other player gets a point.

• If you had to regroup the ones, you get another point.

• The first person to get 5 points is the winner.

516 142 435 535

638 941 123 424

723 227 524 629

331 817 425 622

13-22NS2.2, 2AF1.2


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If there are 10 or more tens, you need to regroup.

A model can help regroup tens.

Find 370 + 290. Draw your models.

Use to add.

1. 290 + 350 = Show your work here.

2. 120 + 280 =

Reteach

Regroup Tens

13-3

3701

290

370

Use for hundreds and for tens.

290+

So, 370 + 290 = 660

660

Add these togetherRegroup 10 tens as1 hundred!

+

2NS2.2, 2MR1.2


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Skills Practice

Regroup Tens

Preparation: Base-ten blocks are needed for this assessment.Use to add.

1. onestenshundreds

+

75

22

54

2 95

1

2. 562 + 354 = 3. 352 + 493 =

4. 274 + 455 = 5. 482 + 185 =

6. 183 + 471 = 7. 282 + 333 =

8. 169 + 160 = 9. 252 + 451 =

Solve. Use , if needed.

10. Kay has 429 rocks in her collection. She finds 390 more. How many rocks does Kay have?

11. Luis has 543 baseball cards. His sister has 362. How many cards do they have in all?

2NS2.2, 2MR1.2



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Homework Practice

Regroup Tens

Add.

1. onestenshundreds

+

46

33

27

2. onestenshundreds

+

85

41

43

3. 653 + 251 = 4. 598 + 260 =

5. 168 + 740 = 6. 472 + 242 =

7. 284 + 190 = 8. 374 + 375 =

Solve.

9. Kip’s grade has 247 students. His sister Myra’s grade has 368 students. How many students in all?

students

10. Write the answers to problems 1–2 in expanded form.

+ + =

+ + =

13-32NS2.2, 2MR1.2

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Regroup Tens

Preparation: Base-ten blocks are needed for this activity.Solve. Use , if needed.

1. Jim has 358 rubber bands. He finds 251 more. How many rubber bands in all?

onestenshundreds

+

55

32

81

3. Marie buys a hot dog for 165 cents and a soda for 150 cents.

How many cents does she

spend in all? cents

2. Ling has 426 pennies. Pam has 392 pennies. How many pennies in all?

onestenshundreds

+

29

43

62

4. Freda buys a hamburgerfor 270 cents and a milk shake for 155 cents.

How many cents does she

spend in all? cents

5. Jake and Trey save money for the zoo. Jake has 462 pennies. Trey has 386 pennies. How many pennies

in all? pennies

6. Tickets are 4 dollars each. Do Jake and Trey have enough money for the zoo?

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13-3Enrich

How Far?

Day Miles Driven

Monday 324

Tuesday 686

Wednesday 144

Tonya and her family are taking a trip to visit her Aunt Lisa. Tonya keeps track of the miles they drive each day. Use the data from the table to answer these questions.

1. Which two day totals are closest to 1,000 miles?

2. Did they travel more than 1,000 miles?

3. How do you know?

4. How many miles do they travel altogether?

5. Which two day totals are closest to 500?

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Maya and Tom want to take a class. World Cooking Classes

ClassTime Class Starts

Time Class Ends

African Treats 2:00 3:00

French Food 3:00 4:30

Chinese Cooking 4:30 5:00

Mexican Dinners 5:00 7:00

Maya has soccer practice until 4:00.Tom has a piano lesson at 6:00.Which class can they take?

Reteach (1)

Problem-Solving Strategy: Make a Table

13-4

What do I know?

Maya is busy until 4:00.Tom is busy after 6:00.

What do I need to find out?

Which cooking class they both can take.

Understand

Step 1

Plan

Step 2

Solve

Step 3 Write down information from the table.

Maya can make the 4:30 and 5:00 classes.

Tom cannot make the 5:00 class.

They can both take Chinese Cooking .

How will I find out which class they

both can take?

I will find a class that begins after 4:00 for Maya and ends before 6:00 for Tom.

Check

Step 4 Look Back.

How did the table help me to answer the question?

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Reteach (2)


Use the tables to solve.

1. A storyteller is coming to the library on Saturday. Jack has a swimming lesson until 12:00. Flora wants to hear a story that is an hour long. Which story should Jack and Flora listen to?

StoryTime Story

StartsTime Story

Ends

Wolf and the Drum 11:00 12:00

Old Man Winter 12:30 1:00Tina Races the Tiger 1:00 2:00

Rabbit’s New Vest 2:00 2:30

2. Andre has $3. Then, he buys a gift for his mom.

a bunch of daisies $1.50 beaded ring $2.00 toy cat 40¢

He has some money left, so he buys the toy cat for his sister. Now Andre has 60¢. What did he buy for his mom?

3. Ms. Ling’s class is going to the science museum. She made a list of the activities for the day.

Museum Trip

see space models 9:30–10:30

see movie: On the Moon 10:30–12:00

eat lunch 12:00–1:00

See dinosaur bones 1:00–2:00

How long is the movie?

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Skills Practice


Use the table to answer the questions.

Flights to Seattle from Minneapolis:

Flight Number Leaves Arrives

206 7:10 A.M. 1:20 P.M.

305 9:30 A.M. 4:00 P.M.

491 12:50 P.M. 7:00 P.M.

511 6:05 P.M. 12:15 A.M.

1. Paul leaves for Seattle on Flight 305. Tom leaves on Flight 206. How long will Tom arrive before Paul arrives?

2. Jane is taking Flight 491 to Seattle. The plane leaves an hour

late. What time will the plane arrive in Seattle?

3. Three of the four flights will last the same length of time. Which flight is longer than the others?

Complete the table to solve.

4. There are 10 people in each raft. How many people are in 5 rafts? people

Rafts 1

People 10

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13-4Homework Practice


Use the table to solve.

1. Randall keeps track of how many lawns he mows each week. If the pattern goes on, how many lawns will he mow in week 4?

Week Number of Lawns

1 7

2 10

3 13

4

2. Mr. Ray’s class is going to the history museum. He made a list of the activities for the day.

Museum Trip

See film: World Art 11:15–12:15

Lunch 12:30–1:00

History of Egypt 1:15–2:15

For how long will they see the Egypt display?

3. A restaurant serves 40 oranges a day. How many oranges does it serve in 5 days? oranges

days

oranges

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Enrich

Numbers Used to Advertise

Preparation: An ad from a grocery store is needed for this activity.

Look through your ad to see how numbers

are used. Use a tally table to record how

many times you read each number.

0 5

1 6

2 7

3 8

4 9

Write two statements about the data on your tally table. Share them with your class.

Write two statements about the number that was used the most.

13-42AF1.3, 2MR1.0


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You can estimate to find an answer that is close to the

exact answer.

There are 517 people in Cold Creek. There are 281 people in Old Town. About how many people live in the two towns?

Step 1 Step 2

Look at the tens. Round Add the new addends to findeach addend to the the estimated sum.nearest hundred.

517 rounds to → 500 500+ 281 rounds to → + 300 + 300

800

The number of people in the two towns is about 800 .

Round each number to the nearest hundred. Estimate

each sum.

1. 489 → 2. 466 → + 311 → + + 195 → +

Round each number to the nearest ten. Estimate each sum.

3. 606 → 4. 307 → + 247 → + + 258 → +

Reteach

Estimate Sums

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Skills Practice

Estimate Sums

Round each number to the nearest ten.

Estimate the sum.

1. 302 → 2. 686 → + 287 → + + 174 → +

3. 365 → 4. 405 → + 209 → + + 325 → +

Round each number to the nearest hundred.

Estimate the sum.

5. 518 → 6. 701 → + 169 → + + 216 → +

7. 176 → 8. 390 → + 315 → + + 412 → +

Solve.

9. There are 410 parents and 526 children in the park. Rounding to the nearest hundred, how many people are in the park?

people

10. Mr. Tan sells 215 apples on Wednesday and 486 apples on Sunday. Rounding to the nearest ten, how many apples does

Mr. Tan sell? apples

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Homework Practice

Estimate Sums


Estimate the sum.

1. 149 → 2. 514 → + 366 → + + 233 → +

3. 295 → 4. 170 → + 480 → + + 396 → +


Estimate the sum.

5. 811 → 6. 502 → + 117 → + + 310 → +

7. 199 → 8. 287 → + 540 → + + 132 → +

Solve.

9. Jack’s school has a book sale. They sell 347 books on Monday and 214 books on Tuesday. Rounding to the nearest ten, how many books does the school sell?

books

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Estimate Sums

Solve.

1. Mr. Marcus sells 313 oranges and 196 apples. Round to the nearest ten and estimate how many fruits Mr. Marcus sells.

fruits

2. There are 217 adults and 489 children at the zoo. Round to the nearest hundred and estimate how many people are at the zoo.

people

3. Manuel has 390 pennies. His brother Carlos has 179 pennies. Round to the nearest hundred and estimate how many pennies the brothers have.

pennies

4. The Community Center has a bake sale. They sell 219 churros on Saturday and 189 churros on Sunday. Round to the nearest ten and estimate how many churros the Community Center sells.

churros

5. Tanner’s class read 110 books last year. They read 129 books this year. Estimate how many books the class read in the two years. Round to the nearest hundred.

books

6. The second grade at Campbell Elementary School has 311 students. The third grade has 391 students. Estimate how many students there are in the two grades. Round to the nearest ten.

students

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13-5Enrich

Search for 1,000

Round each number to the nearest 100.

Group 1 Group 2 Group 3 Group 4

345 721 299 453


148 514 824 910


675 388 53 578

There are 1,000 seats at the arena. They can admit two groups at a time. Estimate which groups will fit into the arena at the same time.

Find pairs of groups that can fit into the

arena at the same time.

1. and

2. and

3. and

4. and

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Line up decimal points to add money.

$1.59

$2.19

$1.72 $3.31$2.35

Jim buys the duck and the dog. How much does he spend?

$1.72 + 2.35 $4.07

Add. Show your work here.

1. Lee has $5.00. She buys the

pig and the cat. How much money does she spend?

2. Sammy buys the duck and

the rabbit. How much does he spend?

3. Pam buys the dog and the

cat. How much money does she spend?

Reteach

Add Money

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Skills Practice

Add Money

Solve.

1. $2.69 2. $3.75 3. $7.11 + 3.45 + 1.41 + 1.94

4. $3.87 5. $2.91 6. $2.09 + 0.75 + 5.01 + 3.76

7. $0.89 8. $1.25 9. $2.09 + 5.88 + 1.95 + 2.99

Solve.

10. Amy pays $3.11 for a sandwich and juice. She pays another 89 cents for an orange. How much does Amy spend on lunch?

11. Mr. Bailey spends $2.11 for pencils. He spends $3.47 for a notebook. If he buys a folder for 50 cents, how much will Mr. Bailey spend?

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Homework Practice

Add Money

Solve.

1. $6.06 2. $3.55 3. $0.77 + 1.23 + 2.89 + 2.19

4. $8.23 5. $5.05 6. $1.39 + 1.59 + 2.46 + 4.50


Lunch #1 $3.49 add juice $0.75

Lunch #2 $3.79 add milk $0.75

Lunch #3 $4.10 add orange $0.89

Lunch #4 $4.75 add yogurt $1.23

7. Brady wants to buy lunch #2. He would also like to add an orange. How much will Brady’s lunch cost?

8. Mrs. Stone buys lunch #4. She adds both a yogurt and a juice.What is the total cost of her lunch?

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13-6Problem-Solving Practice

Add Money

Solve.

1. Kate buys a pen for $2.00. She buys a notebook for $1.69. How much does Kate spend in all?

2. Dan saves $4.75. He puts another $1.26 in his bank. How much money does Dan have now?

3. Drew wants to buy the boat for his sister and the train for his brother. How much will he spend in all?

4. Mrs. Magee sells a boat and a bear. How much money does she earn?

Special #1 $6.59 Add coffee $1.10

Special #2 $7.59 Add rolls $0.84

Special #3 $7.95 Add soup $1.73

5. Mr. Grey orders special #2 and adds rolls. How much is Mr. Grey’s dinner?

6. Mrs. Grey orders special #1 and adds soup. How much is Mrs. Grey’s dinner?

2NS2.2, 2NS5.0

$3.89

$4.29

$2.75


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Enrich

Which Would You Choose?

Read the choices. Choose the one that

would be worth the most money.

1. Choice 1: $0.50 a day

Choice 2: $10.00 a week

Why?

2. Choice 1: $10.00 a week

Choice 2: $1.00 a day

Why?

3. Choice 1: $10.00 for one week

Choice 2: $2.00 a day

Why?

4. Choice 1: $15.00 for two weeks

Choice 2: $10.00 a week

Why?

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Mia has $4.87 in her piggy bank. Her sister Tanya has $4.21 in her piggy bank. How much money do the sisters have in all?

Reteach (1)

Problem-Solving Investigation: Choose a Strategy

13-7

What do I know?

Mia has $4.87.Tanya has $4.21.

What do I need to find out?

How much money altogether?

Understand

Step 1

Plan

Step 2

Solve

Step 3 Write a number sentence.

+

The sisters have altogether.

How will I find out the total?

I can write a number sentence.

Check

Step 4 Look back.

I wrote a number sentence. I added to find how much money altogether.

2MR1.1, 2NS5.0

Problem-Solving Strategies

• Use Logical Reasoning• Make a Chart• Write a Number Sentence


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$5.09

$3.99

$2.35

$4.87

$3.50

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Reteach (2)


1. Dar wants to buy the basketball and the baseball. How much

will he spend in all?

2. Lonnie has $7.65. He thinks he has enough money to buy the football and the soccer ball. Is he correct? Explain.

3. Name the two most expensive items shown above. What would be the total cost of these two items?

4. Josh buys 2 footballs. Jeff buys 3 basketballs. Who spends more?

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Skills Practice




1. Mrs. Hayes buys her son lunch. Lunch #1 is $3.89. Lunch #2 is $4.19. Lunch #3 is $4.89. Mrs. Hayes orders #2. If her son orders #3, how much will Mrs. Hayes pay?

2. Dale spends $2.85 on bus tickets. His friend Jay spends $3.60 on bus tickets the same day. How much do the two spend on bus tickets in all?

3. Pia wants to buy a doll for $4.27. She wants to buy the same doll for her friend. How much money will Pia spend on both dolls?

4. Sari has 5 dollars. She buys a sandwich for $3.00 and a juice for $1.29. Apples cost $0.89. Does she have enough to buy an apple too?

13-72MR1.1, 2NS2.2


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$1.35$3.05

$2.99$2.09

$1.11

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Homework Practice


1. Ken buys the duck and the fish. He thinks the total will be less than $4.00. Is he correct? Explain.

2. Raj buys the boat to share with his brother. If he also buys the frog, how much will he spend altogether?

3. Name the two most expensive items shown above. What would be the total cost of these two items?

4. Billy has $5.00 to spend. What 3 items can Billy buy?

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13-7Enrich

Follow the Number

Use these consecutive numbers to answer the following

questions.

1 2 3 4 5 6 7 8 9 10 11 12 13

1. Which two consecutive numbers add up to 21?

2. Which three consecutive numbers add up to 21?

3. Which three consecutive numbers add up to 30?

4. Which four consecutive numbers add up to 30?

5. Which five consecutive numbers add up to a number greater

than 30?

2MR1.1, 2NS5.5

Consecutive numbers are numbers that follow each other in order.


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Mastery Level Learning Goals Comments

B D M Lesson

13-1 Use basic facts and mental math to add hundreds.

13-2 Find the sum of two three-digit numbers, regrouping ones.

13-3 Add three-digit numbers with and without regrouping.

13-4 Make and use a table to solve addition problems.

13-5 Estimate the sum of three-digit addends by rounding to the nearest ten or hundred.

13-6 Add amounts of money up to $10.00.

13-7 Choose a strategy to solve problems.

B = Beginning; D = Developing; M = Mastered

Note to Parents

Individual Progress Checklist13

041_064_C13EM_105813.indd Page 41 5/10/10 7:44:24 PM s-087041_064_C13EM_105813.indd Page 41 5/10/10 7:44:24 PM s-087 /Volumes/108/GO00577/MathConnects_CA_CRM_10/Ancilliary/Application_Files/C13_.../Volumes/108/GO00577/MathConnects_CA_CRM_10/Ancilliary/Application_Files/C13_...

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Diagnostic Test

Are you ready for chapter 13?

Add.

1. 8 + 7 =

2. 9 + 8 =

3. 7 + 5 =

4. 9 + 5 =

5. 60 + 20 =

6. 47 + 36 =

7. 42 cents + 37 cents =

8. $0.64 + $0.16 =

Round to the nearest ten.

9. 58 rounds to .

10. 72 rounds to .

11. 45 rounds to .

12. 34 rounds to .

13. 89 rounds to .

14. 22 rounds to .

15. 8 rounds to .

13


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Chapter Pretest

Write the answer.


500 + 300 =

2. 173 + 608 =

3. A café serves 30 bananas a day. How many bananas does it serve in 5 days? Complete the table to solve. bananas

Days

Bananas


Estimate the sum.

4. 402 → 5. 326 → + 387 → + + 124 → +


Estimate the sum.

6. 707 → 7. 126 → + 197 → + + 424 → +

Solve.

8. $3.78 9. $2.51 10. $4.40+ 4.04 + 0.46 + 2.42

13


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Mid-Chapter Test

Choose the best answer to the question.

13

1. How many hundreds? [Lesson 13.1]

+

4

5

6

7

2. How many hundreds? [Lesson 13.1]

+

4

5

6

7

3. 138 + 206 =

[Lesson 13.2]

304

321

334

344

4. 126 + 181 =

[Lesson 13.3]

305

307

311

327

Regroup ones to add. [Lesson 13.2]

5. 215 + 447 = 6. 506 + 125 =

Regroup tens to add. [Lesson 13.3]

7. 616 + 192 = 8. 270 + 266 =


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Vocabulary Test

Use the words in the word bank. Write the correct

word in the blank.

add, hundreds, regroup, round, sum

1. I can ones and tens to add.

2. When I add two numbers together, the answer is the .

3. When I don’t need an exact answer, I can .

Match each word to the correct sentence.

4. regroup take apart and rewrite a number

5. hundreds answer to an addition problem

6. add change number to a simpler value

7. sum the numbers 100 – 999.

8. round join numbers or sets together

13


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Oral Assessment

Preparation: A set of hundred cubes, base-ten cubes, and unit cubes is needed for this assessment. Board access is also required.

Directions: This test targets those students who have developing verbal skills—both oral and written. Ask the questions below and have students record their answers, or record the answers they supply.

1. Show 3 hundred cubes and 2 hundred cubes. Ask, How many hundreds do we

have in all?

2. Show 4 hundred cubes and 5 hundred cubes. Ask, How many hundreds do we

have in all?

3. Show 1 hundred cube, 2 base-ten cubes, and 6 unit cubes. Ask, What number do

we have here? Show 3 hundred cubes, 3 base-ten cubes, and 6 unit cubes. What

number do we have here? Can we regroup our ones? Have them combine the cubes and write the sum.

4. Show 2 hundreds cubes blocks, 7 base-ten cubes, and 2 unit cubes. Ask, What

number do we have here? Show 4 hundreds cubes, 6 base-ten cubes, and 2 unit cubes. What number do we have here? Do we need to regroup ones? Can we

regroup our tens? Have them combine the cubes and write the sum.

5. Tell students they will round to the nearest ten to estimate.Write 326 on the board. Say, 326 rounds to what? Write 275 on the board. Say, 275 rounds to what?

Have students add to get the estimate.

6. Tell students they will round to the nearest hundred to estimate. Write 518 on the board. Say, 518 rounds to what? Write 216 on the board. Say, 216 rounds to

what? Have students add to get the estimate.

7. Write 773 + 164 on the board. Say, Rewrite these addends vertically. Tell students you want to show these as money amounts. Insert the symbols that we

use for money. Have students add the money amounts.

8. Write 165 + 394 on the board. Say, Rewrite these addends vertically. Tell students you want to show these as money amounts. Insert the symbols that we

use for money. Have students add the money amounts.

13


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Oral Assessment Response Sheet

1.

2.

3.

4.

5.

6.

7.

8.

Notes and comments

13


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Listening Assessment

Preparation: A set of hundred cubes, base-ten cubes, and unit cubes is needed for this assessment.

Ask students to complete each of the following groups of tasks.

1. Use hundred cubes to show 500.Use hundred cubes to show 200Use hundred cubes to show the sum.Write the number that shows how many base ten cubes.

2. Use cubes to show 274Use cubes to show 317.Use cubes to show the sum.Write the sum of the two addends.

3. Use cubes to show 564Use cubes to show 193.Use cubes to show the sum.Write the sum of the two addends.

4. Write 568 + 213 in vertical form.Round each number to the nearest ten.Add to find the estimate.Write the answer.

5. Write 391 + 409 in vertical form.Round each number to the nearest hundred.Add to find the estimate.Write the answer.

13

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1.

2.

3.

4.

5.

Notes and comments

Listening Assessment Response Sheet13


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13Chapter Project Rubric

Score Explanation

3 Student successfully participated in project by creating a poster that outlined the steps for three-digit addition. Student’s poster was informative and accurate. Student used a sample problem that illustrated the steps and strategy to their problem. Student effectively communicated the ideas on their poster to the rest of the class.

2 Student successfully participated in project by creating a poster that outlined the steps for three-digit addition. Student’s poster was informative and accurate, but could have been clearer. Student used a sample problem that illustrated the steps and strategy to their problem.

1 Student participated in project by creating a poster that outlined the steps for three-digit addition. Student’s poster was accurate but confusing. Student did not do a good job explaining the poster to the class.

0 Student did not successfully participate in this project. Student’s poster was either incomplete or inaccurate. Student was unable to explain the idea to the rest of the class.


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Chapter Foldables Rubric

Score Explanation

3 Student successfully made and used chapter Foldable to record lessons and examples of 3-digit addition. Student was able to add 3-digit numbers, including monetary amounts, using strategies taught in the lesson, including “regrouping ones,” “regrouping tens,” and “estimation.”

2 Student successfully made and used chapter Foldable to record lessons and examples of 3-digit addition. Student was able to add some 3-digit numbers by using strategies of “regrouping” and “estimation.”

1 Student successfully made and used chapter Foldable to record lessons and examples of 3-digit addition. Student was able to solve very simple 3-digit addition problems.

0 Student did not successfully construct or use chapter Foldable. Student was unable to solve 3-digit addition problems.

13


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Chapter Test, Form 1

1. 300 + 300 = [Lesson 13.1]

6

300

60

600

13

3. 131 + 249 =

[Lesson 13.2]

280

370

380

390

2. 200 + 700 =

[Lesson 13.1]

500

600

800

900

4. 208 + 354 =

[Lesson 13.2]

538

562

572

630

GO ON

Read each question carefully. Fill in the circle for

the correct answer.

5. 547 + 162 =

[Lesson 13.3]

709

707

609

607



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Chapter Test, Form 1 (continued)13

6. Mia has 198 pennies. Her sister has 131 pennies. How many pennies do they have in all? [Lesson 13.3]

330

329

328

300

7. There are 409 adults and 515 children at the zoo. About how many people are in the zoo? Round to the nearest hundred. [Lesson 13.5]

924

824

800

900

8. Randall saves $5.87. He puts another $1.17 in his bank. How much money does Randall have now? [Lesson 13.6]

$7.04

7.04

$7.14

$7.00

9. Ali pays $3.50 for a sandwich and juice. He pays another $0.75 for an orange. How much does Ali spend on lunch? [Lesson 13.6]

$3.50

$3.75

$4.25

$5.00

STOP


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Chapter Test, Form 2A

Read each question carefully. Fill in the circle for

the correct answer.

13

2. 100 + 400 =

[Lesson 13.1]

500

600

800

900

1. 200 + 500 = [Lesson 13.1]

7

70

700

7000

4. 137 + 417 =

[Lesson 13.2]

544

554

564

584

GO ON

3. 208 + 255 =

[Lesson 13.2]

443

453

463

473

5. 374 + 281 =

[Lesson 13.3]

755

705

655

605


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Chapter Test, Form 2A (continued)13

6. There are 161 homes in Littletown. There are 182 homes in Blueburg. How many homes do the two towns have altogether? [Lesson 13.3]

330

343

350

443

8. Chet pays $3.65 for a sandwich and juice. He pays another 80 cents for an orange. How much does Chet spend on lunch? [Lesson 13.6]

$4.45

$4.50

$5.40

$5.55

7. There are 208 fish in Tank A. There are 195 fish in Tank B. Round to the nearest hundred. About how many fish are in the two tanks? [Lesson 13.5]

400

450

500

540

9. Lana saves $6.40. She puts another $0.99 in her bank. How much money does Lana have now? [Lesson 13.6]

$7.40

$7.39

$6.40

$6.00

STOP


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Chapter Test, Form 2B

Read each question. Fill in the circle for the answer.

13

1. 200 + 500 = [Lesson 13.1]

7

70

700

2. 100 + 400 = [Lesson 13.1]

500

5

300

3. 208 + 255 = [Lesson 13.2]

443

453

463

4. 137 + 417 = [Lesson 13.2]

544

554

564

5. 374 + 281 = [Lesson 13.3]

655

705

755

GO ON

6. 296 + 437 = [Lessons 13.2, 13.3]

633

733

723


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Chapter Test, Form 2B (continued)

7. There are 161 houses in Joe’s town. There are 182 houses in Jim’s town. How many total houses are there in the two towns? [Lesson 13.3]

330

343

350

8. There are 208 fish in Ted’s tank. There are 195 fish in Tina’s tank. Round to the nearest hundred. How many fish in all? [Lesson 13.5]

400

450

500

9. A farmer sells 111 apples on Friday and 206 apples on Saturday. Round to the nearest ten. How many apples does he sell on these days? [Lesson 13.5]

330

325

320

10. Anna saves $6.40. Then she saves $0.99 more. How much money has Anna saved? [Lesson 13.6]

$7.40

$7.39

$6.40

STOP

11. Rita pays $3.65 for a sandwich and juice. She pays another $0.80 for an orange. How much does Rita pay for lunch? [Lesson 13.6]

$4.45

$4.50

$5.40


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Chapter Test, Form 2C

Read each question. Write your answer.

[Lessons 13.1, 13.2, 13.3]

1.

+

What number is shown?

2. 215 3. 226 4. 371 5. 146+ 307 + 426 + 165 + 591

[Lesson 13.5]

Round each number to the nearest ten. Estimate the sum.

6. 287 7. 174+ 302 + 686

Round each number to the nearest hundred. Estimate the sum.

[Lessons 13.3, 13.5, 13.6]

8. 177 9. 216+ 611 + 409

GO ON

13


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Chapter Test, Form 2C (continued)

[Lesson 13.6]

10. $2.69 11. $3.75+ 3.45 + 1.41

12. Sol has 229 baseball cards. He buys 190 more. How many cards does Sol have?

cards [Lesson 13.3]

13. There were 206 shoppers in the market yesterday. Today there are 311 shoppers in the market. Round to the nearest hundred. Estimate how many total shoppers were at the market.

shoppers [Lesson 13.5]


Lunch #1 $3.19 Add juice $0.50

Lunch #2 $3.49 Add milk $0.50

Lunch #3 $4.10 Add orange $0.79

14. Jay wants to buy Lunch #2. He also wants to add an orange. How much will Jay’s lunch cost? [Lessons 13.4, 13.6]

STOP

13


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Chapter Test, Form 2D

Read each question. Write your answer.

[Lessons 13.1, 13.2, 13.3]

1.

+

What number is shown?

2. 307 3. 426 4. 165 5. 591+ 215 + 226 + 371 + 146

[Lesson 13.5]

Round each number to the nearest ten. Estimate the sum.

6. 302 7. 686+ 287 + 174

Round each number to the nearest hundred. Estimate the sum.

8. 611 9. 409+ 177 + 216

GO ON

13


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Chapter Test, Form 2D (continued)13

Solve. [Lesson 13.6]

10. $1.18 11. $3.91+ 4.35 + 2.46

12. Bea reads for 113 minutes. Her brother reads for 195 minutes. How many minutes do they read in all?

minutes [Lesson 13.3]

13. Yesterday, 177 students took a field trip. Today, 244 students are taking a field trip. Round to the nearest ten. About how many students took field trips?

students [Lesson 13.5]


School Gift Sale

Gift #1 $2.17 Add a ribbon $0.25

Gift #2 $3.89 Add a gift bag $0.55

Gift #3 $4.02 Add wrapping paper $0.79

14. Jo wants to buy gift #2 for her mom. She also wants to add a ribbon. How much will Jo’s gift cost?

[Lessons 13.4, 13.6]

STOP


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Cumulative Standardized Test Practice

Fill in the circle for the correct answer.

13

[Lesson 1.8]

1. Which number comes next in the pattern?

15, 21, 27, 33, 39,

43

44

45

50

[Lesson 6.4]

2. Iris has 61 marbles. She gives 8 marbles to her friend. How many marbles does Iris have now?

52

53

56

60

[Lesson 7.4]

3. Bobby had 4 dimes. He earns 5 more dimes. How much money does Bobby have now?

90 cents

80 cents

70 cents

50 cents

[Lesson 4.6]

4. Kia’s hockey team plays seven games. They score 4, 2, 5, 1, 4, 6, and 3 goals. What is the mode of the scores?

10

7

4

5

GO ON



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Cumulative Standardized Test Practice

(continued)

Write your answers on the line.

5. Molly has 82 pennies. She spends 10 pennies on a new eraser. Count back to find how many pennies Molly has now. [Lesson 6.2]

pennies

[Lesson 8.4, 8.6]

6. 6 10 4× 2 × 9 × 5

7. Write the fraction for the shaded part. [Lesson 9.2]

8. What shape is the object? [Lesson 11.3]

9. 112

6 5

3

2

9

87

1011

Write the time. [Lesson 12.7]

[Lessons 13.2, 13.3]

10. 327 11. 686+ 224 + 273

STOP

13




P rinter P DF

Answers (Graphic Organizer and Anticipation Guide)

An

swer

s

Grade 2 A1 Chapter 13

Nam

e

Gra

de 2

4

C

hapt

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3

13 Dir

ecti

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Bef

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you

beg

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sk s

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llow

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yes

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. H

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all

?

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any

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Am

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to h

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A a

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A01_A35_C13AN_105813.indd Page A1 5/14/10 12:10:03 AM u-s089A01_A35_C13AN_105813.indd Page A1 5/14/10 12:10:03 AM u-s089 /Volumes/108/GO00577/MathConnects_CA_CRM_10/Ancilliary/Application_Files/C13_.../Volumes/108/GO00577/MathConnects_CA_CRM_10/Ancilliary/Application_Files/C13_...

P rinter P DF


Answers (Lesson 13-1)

pygp

Chapter Resources

Gra

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Cha

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13

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-1S

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Add

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1.

4 hu

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2 h

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=

6 h

undr

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4

00 +

200

=

600

2.

3 hu

ndre

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3 h

undr

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=

6 h

undr

eds

3

00 +

300

=

600

3.

5 hu

ndre

ds +

4 h

undr

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=

9 h

undr

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5

00 +

400

=

900

4.

2

00

500

400

700

400

+ 1

00

+ 2

00+

300

+ 1

00+

200

300

700

700

800

600

So

lve

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5.

Kal

has

400

pen

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. His

sis

ter

also

has

400

pen

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. How

m

any

penn

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do th

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ave

in a

ll?

4 h

undr

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+

4 h

undr

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=

8 h

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4

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400

=

800

penn

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6.

Joy

has

300

stic

kers

. Jua

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s 50

0 st

icke

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Writ

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num

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sent

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to s

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.

3 h

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+

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8 h

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500

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?

coun

t: 10

0, 2

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300

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P rinter P DF



An

swer

s

pygp

Chapter Resources

Gra

de 2

9

Cha

pter

13

Nam

e

13

-1P

rob

lem

-So

lvin

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rac

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Add

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dred

s

So

lve

.

1

. T

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ir co

mes

to to

wn.

T

here

are

300

yel

low

ba

lloon

s an

d 20

0 gr

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ballo

ons.

How

man

y ba

lloon

s ar

e th

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in a

ll?

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2 h

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=

5 h

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nd 2

00 b

oys

go

to th

e fa

ir on

Sat

urda

y.

How

man

y go

on

Sat

urda

y in

all?

200

+ 2

00 =

400

chi

ldre

n

5

. H

ow m

any

bags

of p

opco

rn

wer

e so

ld in

all?

600

How

man

y ba

gs o

f pea

nuts

w

ere

sold

in a

ll?

700

2

. T

here

are

500

blu

e st

ream

ers

and

200

oran

ge

stre

amer

s. H

ow m

any

stre

amer

s ar

e th

ere

in a

ll?

5 hu

ndre

ds +

2 h

undr

eds

=

7 h

undr

eds

500

+ 2

00 =

700

4

. T

he fa

ir se

lls 4

00 ti

cket

s on

Sat

urda

y an

d 50

0 on

S

unda

y. H

ow m

any

ticke

ts

are

sold

in a

ll?

400

+ 5

00 =

900

tick

ets

6

. W

ere

mor

e ba

gs o

f pop

corn

so

ld o

r pe

anut

s so

ld?

Mor

e b

ags

of

pea

nu

ts w

ere

sold

.

Fa

ir S

na

ck

-Sta

nd

Sa

les

Sn

ac

kS

atu

rda

yS

un

da

y

Bag

s of

pop

corn

400

200

Bag

s of

pea

nuts

300

4002N

S2

.2,

2A

F1

.0

006_

010_

C13

L1_1

0581

3.in

dd P

age

9 5

/10/

10 7

:38:

59 P

M s

-087

/Vol

umes

/108

/GO

0057

7/M

athC

onne

cts_

CA

_CR

M_1

0/A

ncill

iary

/App

licat

ion_

File

s/C

13_.

..

Nam

e

Gra

de 2

8

Cha

pter

13

Ho

me

wo

rk P

rac

tic

e

Add

Hun

dred

s

Ad

d.

1

.

300

20

0 70

0 20

0 10

0+

100

+

400

+ 1

00+

300

+ 4

0040

0 60

080

050

050

0

2

.

600

30

0 60

0 80

0 40

0+

100

+

200

+ 2

00+

100

+ 5

0070

0 50

080

090

090

0

3

.

500

40

0 50

0 20

0 10

0+

200

+

200

+ 3

00+

200

+ 7

0070

0 60

080

040

080

0

4

.

300

40

0 10

0 20

0 10

0+

300

+

300

+ 1

00+

200

+ 8

0060

0 70

020

040

090

0

So

lve

.

13

-1

5

. T

here

are

400

stu

dent

s in

th

e se

cond

gra

de. T

here

ar

e 40

0 st

uden

ts in

the

third

gr

ade.

How

man

y st

uden

ts

are

ther

e in

all?

800

stud

ents

6

. 40

0 pa

rent

s ca

me

to th

e sc

hool

con

cert

on

Thu

rsda

y.

500

pare

nts

cam

e to

the

scho

ol c

once

rt o

n F

riday

. H

ow m

any

tota

l par

ents

ca

me

to th

e co

ncer

ts?

900

pare

nts

2N

S2

.2,

2A

F1

.0

7

. Lo

ok b

ack

over

this

pag

e. C

ircle

eve

ry a

nsw

er th

at is

gre

ater

th

an 4

50. S

ee s

tud

ents

’ wor

k.

006_

010_

C13

L1_1

0581

3.in

dd P

age

8 5

/10/

10 7

:38:

59 P

M s

-087

/Vol

umes

/108

/GO

0057

7/M

athC

onne

cts_

CA

_CR

M_1

0/A

ncill

iary

/App

licat

ion_

File

s/C

13_.

..

Cop

yrig

ht ©

Mac

mill

an/M

cGra

w-H

ill, a

div

isio

n of

The

McG

raw

-Hill

Com

pani

es, I

nc.


P rinter P DF


Answers (Lessons 13-1 and 13-2)

pygp

Chapter Resources

Gra

de 2

11

C

hapt

er 1

3

Nam

e

Pre

pa

rati

on

: B

ase-

ten

bloc

ks a

re n

eede

d fo

r th

is a

ctiv

ity.

Yo

u c

an

us

e c

ub

es

to

mo

de

l re

gro

up

ing

.

Fin

d 24

7 +

136

.

2

47

7+

6 1

3 on

es =

1 te

ns 3

one

s+

136

Re

gro

up

th

e o

ne

s.

Th

en

ad

d t

he

te

ns

an

d h

un

dre

ds

.

P

ut th

e ne

w te

n in

the

tens

pla

ce!

Leav

e th

e 3

ones

in th

e on

es p

lace

!

1

247

+

136

383

3 8

3

So,

247

+ 1

36 =

383

Us

e c

ub

es

to

mo

de

l e

ac

h p

rob

lem

. R

eg

rou

p b

loc

ks

to

so

lve

.

1.

129

+ 2

03 =

332

2.

262

+ 1

19 =

381

3.

288

+ 3

06 =

594

4.

469

+ 2

28 =

697

Re

tea

ch

Reg

roup

One

s

13

-22

NS

2.2

, 2

AF

1.2

011_

015_

C13

L2_1

0581

3.in

dd P

age

11 5

/10/

10 7

:39:

39 P

M s

-087

/Vol

umes

/108

/GO

0057

7/M

athC

onne

cts_

CA

_CR

M_1

0/A

ncill

iary

/App

licat

ion_

File

s/C

13_.

..

Nam

e

Gra

de 2

10

C

hapt

er 1

3

13

-1E

nri

ch

Gre

ater

than

1,0

00

Dra

w l

ine

s t

o c

on

ne

ct

two

or

mo

re n

um

be

rs

wh

os

e s

um

s a

re >

1,0

00

. A

nsw

ers

wil

l va

ry, b

ut

mu

st b

e >

1,00

0.10

0 20

0 30

0

200

300

400

300

400

500

500

600

700

600

700

800

700

800

900

Wri

te s

ix o

f th

e n

um

be

r c

om

bin

ati

on

s o

n t

he

lin

es

.

An

swer

s w

ill

vary

.

2N

S2

.2,

2A

F1

.0

006_

010_

C13

L1_1

0581

3.in

dd P

age

10 5

/10/

10 7

:39:

00 P

M s

-087

/Vol

umes

/108

/GO

0057

7/M

athC

onne

cts_

CA

_CR

M_1

0/A

ncill

iary

/App

licat

ion_

File

s/C

13_.

..

Copyright ©

Macm

illan/McG

raw-H


cGraw

-Hill C

ompanies, Inc.


P rinter P DF



An

swer

s

pygp

Chapter Resources

Gra

de 2

13

C

hapt

er 1

3

Nam

e

1

3-2

Ho

me

wo

rk P

rac

tic

e

Reg

roup

One

s

Ad

d.

1

. on

este

nshu

ndre

ds

+

6 24 2

9 59

46

1

2

. on

este

nshu

ndre

ds

+

5 22 3

4 88

25

1

3

. on

este

nshu

ndre

ds

+

5 22 7

8 98

79

1

4

. on

este

nshu

ndre

ds

+

3 55 2

2 58

77

5

. 35

2 +

439

= 79

1

6

. 28

3 +

709

= 99

2

7

. 60

5 +

176

= 78

1

8

. 81

9 +

104

= 92

3

9

. 41

1 +

269

= 68

0

1

0.

737

+ 1

46 =

88

3

So

lve

.

11

. M

s. K

im’s

cla

ss h

as 4

86 b

lock

s. M

r. V

ega’

s cl

ass

has

406

bloc

ks. H

ow m

any

tota

l blo

cks?

892

12

. F

ind

the

patte

rn. F

ill in

the

mis

sing

num

bers

.

911,

902

, 893

, 88

4 ,

875

, 86

6, 85

7 2

NS

2.2

, 2

AF

1.2

011_

015_

C13

L2_1

0581

3.in

dd P

age

13 5

/10/

10 9

:56:

37 P

M e

lhi-4

/Vol

umes

/108

/GO

0057

7/M

athC

onne

cts_

CA

_CR

M_1

0/A

ncill

iary

/App

licat

ion_

File

s/C

13_.

..

Nam

e

Gra

de 2

12

C

hapt

er 1

3

Sk

ills

Pra

cti

ce

Reg

roup

One

s

Pre

pa

rati

on

: B

ase-

ten

bloc

ks a

re n

eede

d fo

r th

is a

ctiv

ity.

Us

e

to

ad

d.

1.

ones

tens

hund

reds

+4 3

1 16 9

85

2

1

2.

ones

tens

hund

reds

+

4 22 1

5 87

33

1

3

.on

este

nshu

ndre

ds

+

4 31 1

6 98

52

1

4.

271

+ 3

09 =

58

0

5

. 32

5 +

106

= 43

1

6.

183

+ 4

08 =

59

1

7

. 26

2 +

129

= 39

1

8.

364

+ 3

17 =

68

1

9

. 17

6 +

418

= 59

4

10

. 23

7 +

155

= 39

2

1

1.

162

+ 3

18 =

48

0

12

. 30

8 +

304

= 61

2

1

3.

219

+ 1

43 =

36

2

Us

e

to

so

lve

.

14

. Ir

a ha

s 31

5 do

min

oes.

Li h

as 1

58 d

omin

oes.

How

man

y do

min

oes

in a

ll?47

3 d

omin

oes

15

. Jo

se h

as 2

24 m

arbl

es. B

ess

has

357

mar

bles

. How

man

y to

tal m

arbl

es?

581

mar

bles

13

-22

NS

2.2

, 2

AF

1.2

011_

015_

C13

L2_1

0581

3.in

ddP

age

125/

18/1

01:

07:0

0A

Mu-

s073

/Vol

umes

/108

/GO

0057

7/M

athC

onne

cts_

CA

_CR

M_1

0/A

ncill

iary

/App

licat

ion_

File

s/C

13_.

..

Cop

yrig

ht ©

Mac

mill

an/M

cGra

w-H

ill, a

div

isio

n of

The

McG

raw

-Hill

Com

pani

es, I

nc.





pygp

Chapter Resources

Gra

de 2

15

C

hapt

er 1

3

Nam

e

En

ric

h

Reg

roup

to W

in

Pre

pa

rati

on

: T

wo

unit

cube

s ar

e ne

eded

for

this

act

ivity

.P

lay

a g

am

e w

ith

a p

art

ne

r.

The

you

nger

pla

yer

goes

firs

t.

Ho

w t

o P

lay

:

•

Tos

s tw

o cu

bes

onto

the

gam

eboa

rd. E

ach

cube

sho

uld

land

on

a sq

uare

with

a n

umbe

r.

•

Writ

e th

e tw

o nu

mbe

rs a

s an

add

ition

pro

blem

. Sol

ve it

.

•

Che

ck y

our

answ

er. I

f it i

s co

rrec

t, yo

u ge

t one

poi

nt.

•

If y

our

answ

er is

not

cor

rect

, the

oth

er p

laye

r ge

ts a

poi

nt.

•

If y

ou h

ad to

reg

roup

the

ones

, you

get

ano

ther

poi

nt.

•

The

firs

t per

son

to g

et 5

poi

nts

is th

e w

inne

r.

516

142

435

535

638

941

123

424

723

227

524

629

331

817

425

622

13

-22

NS

2.2

, 2

AF

1.2

011_

015_

C13

L2_1

0581

3.in

dd P

age

15 5

/10/

10 7

:39:

50 P

M s

-087

/Vol

umes

/108

/GO

0057

7/M

athC

onne

cts_

CA

_CR

M_1

0/A

ncill

iary

/App

licat

ion_

File

s/C

13_.

..

Nam

e

Gra

de 2

14

C

hapt

er 1

3

13

-2P

rob

lem

-So

lvin

g P

rac

tic

e

Reg

roup

One

s

Pre

pa

rati

on

: E

xtra

pap

er is

nee

ded

for

this

act

ivity

.S

olv

e.

Us

e a

no

the

r s

he

et

of

pa

pe

r to

re

gro

up

th

e

on

es

, if

ne

ed

ed

.

1

. T

here

are

127

blu

e fla

gs a

nd

133

whi

te fl

ags.

How

man

y fla

gs a

re th

ere

all t

oget

her?

26

0 fl

ags

3

. T

he c

ircus

per

form

ed

247

days

last

yea

r. I

t pe

rfor

med

235

day

s th

e ye

ar b

efor

e. H

ow m

any

days

di

d it

perf

orm

in th

ose

two

year

s?

48

2 d

ays

5

. T

he c

ircus

ord

ers

348

poun

ds o

f hay

from

F

arm

er G

reen

and

437

po

unds

of h

ay fr

om F

arm

er

Bro

wn.

How

man

y po

unds

do

es th

e ci

rcus

ord

er in

all?

785

pou

nds

2

. T

he c

ircus

trav

els

246

mile

s on

Tue

sday

. It

trav

els

225

mile

s on

W

edne

sday

. How

man

y m

iles

does

it tr

avel

in a

ll?47

1 m

iles

4

. T

here

are

two

tiger

s in

the

circ

us. O

ne ti

ger

wei

ghs

206

poun

ds. T

he o

ther

tig

er w

eigh

s 18

8 po

unds

. H

ow m

uch

do th

ey w

eigh

to

geth

er?

394

pou

nds

6

. T

he c

ircus

spe

nds

466

dolla

rs o

n fo

od a

nd

329

dolla

rs o

n w

ater

. How

m

uch

mon

ey d

oes

it sp

end

on fo

od a

nd w

ater

?79

5 d

olla

rs

D

oes

it sp

end

mo

re o

r le

ss

than

$80

0? le

ss

2N

S2

.2,

2A

F1

.2

011_

015_

C13

L2_1

0581

3.in

dd P

age

14 5

/10/

10 7

:39:

50 P

M s

-087

/Vol

umes

/108

/GO

0057

7/M

athC

onne

cts_

CA

_CR

M_1

0/A

ncill

iary

/App

licat

ion_

File

s/C

13_.

..

Copyright ©

Macm

illan/McG

raw-H


cGraw

-Hill C

ompanies, Inc.


P rinter P DF



An

swer

s

pygp

Chapter Resources

Gra

de 2

17

C

hapt

er 1

3

Nam

e

13

-3S

kil

ls P

rac

tic

e

Reg

roup

Ten

s

Pre

pa

rati

on

: B

ase-

ten

bloc

ks a

re n

eede

d fo

r thi

s as

sess

men

t.U

se

t

o a

dd

.

1

. on

este

nshu

ndre

ds

+

7 52 2

5 42

951

2.

562

+ 3

54 =

91

6

3

. 35

2 +

493

= 84

5

4.

274

+ 4

55 =

72

9

5

. 48

2 +

185

= 66

7

6.

183

+ 4

71 =

65

4

7

. 28

2 +

333

= 61

5

8.

169

+ 1

60 =

32

9

9

. 25

2 +

451

= 70

3

So

lve

. U

se

,

if n

ee

de

d.

10

. K

ay h

as 4

29 r

ocks

in h

er c

olle

ctio

n. S

he fi

nds

390

mor

e.

How

man

y ro

cks

does

Kay

hav

e?

819

rock

s

11

. Lu

is h

as 5

43 b

aseb

all c

ards

. His

sis

ter

has

362.

How

man

y ca

rds

do th

ey h

ave

in a

ll?

905

card

s

2N

S2

.2,

2M

R1

.2

016_

020_

C13

L3_1

0581

3.in

ddP

age

175/

18/1

01:

08:1

4A

Mu-

s073

/Vol

umes

/108

/GO

0057

7/M

athC

onne

cts_

CA

_CR

M_1

0/A

ncill

iary

/App

licat

ion_

File

s/C

13_.

..

Nam

e

Gra

de 2

16

C

hapt

er 1

3

If t

he

re a

re 1

0 o

r m

ore

te

ns

, y

ou

ne

ed

to

re

gro

up

.

A m

od

el

ca

n h

elp

re

gro

up

te

ns

.

Fin

d 37

0 +

290

. Dra

w y

our

mod

els.

Us

e

to

ad

d.

1

. 29

0 +

350

= 64

0

Sh

ow

yo

ur

wo

rk h

ere

.

2

. 12

0 +

280

= 40

0

Re

tea

ch

Reg

roup

Ten

s

13

-3

370

1 290

370

Use

for h

undr

eds

and

for

tens

.

290

+

So,

370

+ 2

90 =

660

660

Add

thes

e to

geth

erR

egro

up 1

0 te

ns a

s1

hund

red!

+

2N

S2

.2,

2M

R1

.2

016_

020_

C13

L3_1

0581

3.in

dd P

age

16 5

/10/

10 7

:40:

16 P

M s

-087

/Vol

umes

/108

/GO

0057

7/M

athC

onne

cts_

CA

_CR

M_1

0/A

ncill

iary

/App

licat

ion_

File

s/C

13_.

..

Cop

yrig

ht ©

Mac

mill

an/M

cGra

w-H

ill, a

div

isio

n of

The

McG

raw

-Hill

Com

pani

es, I

nc.





pygp

Chapter Resources

Gra

de 2

19

C

hapt

er 1

3

Nam

e

13

-3P

rob

lem

-So

lvin

g P

rac

tic

e

Reg

roup

Ten

s

Pre

pa

rati

on

: B

ase-

ten

bloc

ks a

re n

eede

d fo

r th

is a

ctiv

ity.

So

lve

. U

se

,

if n

ee

de

d.

1

. Ji

m h

as 3

58 r

ubbe

r ba

nds.

H

e fin

ds 2

51 m

ore.

How

m

any

rubb

er b

ands

in a

ll?

ones

tens

hund

reds

+

5 53 2

8 10

961

3

. M

arie

buy

s a

hot d

og fo

r 16

5 ce

nts

and

a so

da fo

r 15

0 ce

nts.

How

man

y ce

nts

does

she

spen

d in

all?

31

5 c

ents

2

. Li

ng h

as 4

26 p

enni

es. P

am

has

392

penn

ies.

How

man

y pe

nnie

s in

all?

ones

tens

hund

reds

+

2 94 3

6 21

881

4

. F

reda

buy

s a

ham

burg

erfo

r 27

0 ce

nts

and

a m

ilk

shak

e fo

r 15

5 ce

nts.

How

man

y ce

nts

does

she

spen

d in

all?

42

5 c

ents

5

. Ja

ke a

nd T

rey

save

mon

ey

for

the

zoo.

Jak

e ha

s 46

2 pe

nnie

s. T

rey

has

386

penn

ies.

How

man

y pe

nnie

s

in a

ll? 84

8 p

enni

es

6

. T

icke

ts a

re 4

dol

lars

eac

h.

Do

Jake

and

Tre

y ha

ve

enou

gh m

oney

for

the

zoo?

ye

s

2N

S2

.2,

2M

R1

.2

016_

020_

C13

L3_1

0581

3.in

dd P

age

19 5

/10/

10 7

:40:

24 P

M s

-087

/Vol

umes

/108

/GO

0057

7/M

athC

onne

cts_

CA

_CR

M_1

0/A

ncill

iary

/App

licat

ion_

File

s/C

13_.

..

Nam

e

Gra

de 2

18

C

hapt

er 1

3

Ho

me

wo

rk P

rac

tic

e

Reg

roup

Ten

s

Ad

d.

1

. on

este

nshu

ndre

ds

+

4 63 3

2 70

971

2

. on

este

nshu

ndre

ds

+

8 54 1

4 33

761

3.

653

+ 2

51 =

90

4

4

. 59

8 +

260

= 85

8

5.

168

+ 7

40 =

90

8

6

. 47

2 +

242

= 71

4

7.

284

+ 1

90 =

47

4

8

. 37

4 +

375

= 74

9

So

lve

.

9

. K

ip’s

gra

de h

as 2

47 s

tude

nts.

His

sis

ter

Myr

a’s

grad

e ha

s 36

8 st

uden

ts. H

ow m

any

stud

ents

in a

ll?61

5 s

tude

nts

10

. W

rite

the

answ

ers

to p

robl

ems

1–2

in e

xpan

ded

form

.70

0+

0

+

9 =

70

960

0 +

30

+

7 =

63

7

13

-32

NS

2.2

, 2

MR

1.2

016_

020_

C13

L3_1

0581

3.in

dd P

age

18 5

/5/1

0 1

1:29

:36

PM

u-s

073

/Vol

umes

/108

/GO

0057

7/M

athC

onne

cts_

CA

_CR

M_1

2/A

ncill

iary

/App

licat

ion_

File

s/C

13_.

..

Copyright ©

Macm

illan/McG

raw-H


cGraw

-Hill C

ompanies, Inc.


P rinter P DF



An

swer

s

pygp

Chapter Resources

Gra

de 2

21

C

hapt

er 1

3

Nam

e

May

a an

d T

om w

ant t

o ta

ke a

cla

ss.

Wo

rld

Co

ok

ing

Cla

ss

es

Cla

ss

Tim

e

Cla

ss

S

tart

s

Tim

e

Cla

ss

E

nd

s

Afr

ican

Tre

ats

2:00

3:00

Fre

nch

Foo

d3:

004:

30

Chi

nese

Coo

king

4:

305:

00

Mex

ican

Din

ners

5:00

7:00

May

a ha

s so

ccer

pra

ctic

e un

til 4

:00.

Tom

has

a p

iano

less

on a

t 6:0

0.W

hich

cla

ss c

an th

ey ta

ke?

Re

tea

ch

(1

)

Pro

blem

-Sol

ving

Str

ateg

y: M

ake

a T

able

13

-4

Wh

at

do

I k

no

w?

May

a is

bus

y un

til 4

:00.

Tom

is b

usy

afte

r 6:

00.

Wh

at

do

I n

ee

d t

o f

ind

ou

t?

Whi

ch c

ooki

ng c

lass

they

bot

h ca

n ta

ke.

Un

de

rsta

nd

Ste

p 1

Pla

n

Ste

p 2

So

lve

Ste

p 3

Wri

te d

ow

n i

nfo

rma

tio

n f

rom

th

e t

ab

le.

May

a ca

n m

ake

the

4:30

and

5:0

0 cl

asse

s.

Tom

can

not m

ake

the

5:00

cla

ss.

The

y ca

n bo

th ta

ke

Chi

nese

Coo

king

.

Ho

w w

ill

I fi

nd

ou

t w

hic

h c

las

s t

he

y

bo

th c

an

ta

ke

?

I w

ill fi

nd a

cla

ss th

at b

egin

s af

ter

4:00

for

May

a an

d en

ds b

efor

e 6:

00 fo

r T

om.

Ch

ec

k

Ste

p 4

Lo

ok

Ba

ck

.

How

did

the

tabl

e he

lp m

e to

ans

wer

the

ques

tion?

2A

F1

.3,

2M

R1.0

021_

025_

C13

L4_1

0581

3.in

dd P

age

21 5

/10/

10 7

:45:

16 P

M s

-087

/Vol

umes

/108

/GO

0057

7/M

athC

onne

cts_

CA

_CR

M_1

0/A

ncill

iary

/App

licat

ion_

File

s/C

13_.

..

Nam

e

Gra

de 2

20

C

hapt

er 1

3

13

-3E

nri

ch

How

Far

? Da

yM

ile

s D

riv

en

Mon

day

324

Tue

sday

686

Wed

nesd

ay

144

Ton

ya a

nd h

er fa

mily

are

taki

ng a

trip

to v

isit

her

Aun

t Lis

a.

Ton

ya k

eeps

trac

k of

the

mile

s th

ey d

rive

each

day

. Use

the

data

from

the

tabl

e to

ans

wer

thes

e qu

estio

ns.

1

. W

hich

two

day

tota

ls a

re c

lose

st to

1,0

00 m

iles?

Mon

day

an

d T

ues

day

2

. D

id th

ey tr

avel

mor

e th

an 1

,000

mile

s?

yes

3

. H

ow d

o yo

u kn

ow?

The

two-

day

tot

al i

s m

ore

than

1,0

00, a

nd

th

ey d

rove

an

oth

er d

ay.

4

. H

ow m

any

mile

s do

they

trav

el a

ltoge

ther

? 1,

154

5

. W

hich

two

day

tota

ls a

re c

lose

st to

500

?M

ond

ay a

nd

Wed

nes

day

2N

S2

.2,

2M

R1

.2

016_

020_

C13

L3_1

0581

3.in

dd P

age

20 5

/10/

10 7

:40:

25 P

M s

-087

/Vol

umes

/108

/GO

0057

7/M

athC

onne

cts_

CA

_CR

M_1

0/A

ncill

iary

/App

licat

ion_

File

s/C

13_.

..

Cop

yrig

ht ©

Mac

mill

an/M

cGra

w-H

ill, a

div

isio

n of

The

McG

raw

-Hill

Com

pani

es, I

nc.


P rinter P DF



pygp

Chapter Resources

Gra

de 2

23

C

hapt

er 1

3

Nam

e

13

-4S

kil

ls P

rac

tic

e

Pro

blem

-Sol

ving

Str

ateg

y: M

ake

a T

able

Us

e t

he

ta

ble

to

an

sw

er

the

qu

es

tio

ns

.

Flig

hts

to S

eattl

e fr

om M

inne

apol

is:

Fli

gh

t N

um

be

rL

ea

ve

sA

rriv

es

206

7:10

A.M

.1:

20 P

.M.

305

9:30

A.M

.4:

00 P

.M.

491

12:5

0 P.M

.7:

00 P

.M.

511

6:05

P.M

.12

:15

A.M

.

1.

Pau

l lea

ves

for

Sea

ttle

on F

light

305

. Tom

leav

es o

n F

light

20

6. H

ow lo

ng w

ill T

om a

rriv

e be

fore

Pau

l arr

ives

? 2

hou

rs, 4

0 m

inu

tes

2

. Ja

ne is

taki

ng F

light

491

to S

eattl

e. T

he p

lane

leav

es a

n ho

ur

late

. Wha

t tim

e w

ill th

e pl

ane

arriv

e in

Sea

ttle?

8:

00 P

.M.

3

. T

hree

of t

he fo

ur fl

ight

s w

ill la

st th

e sa

me

leng

th o

f tim

e. W

hich

fli

ght i

s lo

nger

than

the

othe

rs?

Flig

ht

305

Co

mp

lete

th

e t

ab

le t

o s

olv

e.

4

. T

here

are

10

peop

le in

eac

h ra

ft. H

ow m

any

peop

le a

re in

5

rafts

?50

peo

ple

Ra

fts

12

34

5P

eo

ple

1020

3040

50

2A

F1

.3,

2M

R1.0

021_

025_

C13

L4_1

0581

3.in

dd P

age

23 5

/10/

10 7

:45:

18 P

M s

-087

/Vol

umes

/108

/GO

0057

7/M

athC

onne

cts_

CA

_CR

M_1

0/A

ncill

iary

/App

licat

ion_

File

s/C

13_.

..

Nam

e

Gra

de 2

22

C

hapt

er 1

3

Re

tea

ch

(2

)

Pro

blem

-Sol

ving

Str

ateg

y: M

ake

a T

able

Us

e t

he

ta

ble

s t

o s

olv

e.

1

. A

sto

ryte

ller

is c

omin

g to

the

libra

ry o

n S

atur

day.

Jac

k ha

s a

swim

min

g le

sson

unt

il 12

:00.

Flo

ra w

ants

to h

ear

a st

ory

that

is

an h

our

long

. Whi

ch s

tory

sho

uld

Jack

and

Flo

ra li

sten

to?

Sto

ryT

ime

Sto

ry

Sta

rts

Tim

e S

tory

E

nd

s

Wol

f and

the

Dru

m11

:00

12:0

0

Old

Man

Win

ter

12:3

01:

00T

ina

Rac

es th

e T

iger

1:

002:

00

Rab

bit’s

New

Ves

t2:

002:

30

Tin

a R

aces

th

e Ti

ger

2

. A

ndre

has

$3.

The

n, h

e bu

ys a

gift

for

his

mom

.

a

bunc

h of

dai

sies

$1

.50

be

aded

rin

g $2

.00

to

y ca

t 40

¢

He

has

som

e m

oney

left,

so

he b

uys

the

toy

cat f

or h

is s

iste

r.

Now

And

re h

as 6

0¢. W

hat d

id h

e bu

y fo

r hi

s m

om?

bea

ded

rin

g

3

. M

s. L

ing’

s cl

ass

is g

oing

to th

e sc

ienc

e m

useu

m. S

he m

ade

a lis

t of t

he a

ctiv

ities

for

the

day.

Mu

se

um

Tri

p

see

spac

e m

odel

s9:

30–1

0:30

see

mov

ie: O

n th

e M

oon

10:3

0–12

:00

eat l

unch

12:0

0–1:

00

See

din

osau

r bo

nes

1:00

–2:0

0

How

long

is th

e m

ovie

? 1

hou

r an

d 3

0 m

inu

tes

13

-42

AF

1.3

, 2

MR

1.0

021_

025_

C13

L4_1

0581

3.in

dd P

age

22 5

/10/

10 7

:45:

17 P

M s

-087

/Vol

umes

/108

/GO

0057

7/M

athC

onne

cts_

CA

_CR

M_1

0/A

ncill

iary

/App

licat

ion_

File

s/C

13_.

..

Copyright ©

Macm

illan/McG

raw-H


cGraw

-Hill C

ompanies, Inc.


P rinter P DF



An

swer

s

pygp

Chapter Resources

Gra

de 2

25

C

hapt

er 1

3

Nam

e

En

ric

h

Num

bers

Use

d to

Adv

ertis

e

Pre

pa

rati

on

: A

n ad

from

a g

roce

ry s

tore

is

nee

ded

for

this

act

ivity

.

Lo

ok

th

rou

gh

yo

ur

ad

to

se

e h

ow

nu

mb

ers

are

us

ed

. U

se

a t

all

y t

ab

le t

o r

ec

ord

ho

w

ma

ny

tim

es

yo

u r

ea

d e

ac

h n

um

be

r.

05

16

27

38

49

Writ

e tw

o st

atem

ents

abo

ut th

e da

ta o

n yo

ur ta

lly ta

ble.

Sha

re

them

with

you

r cl

ass.

An

swer

s w

ill

vary

.

Writ

e tw

o st

atem

ents

abo

ut th

e nu

mbe

r th

at w

as u

sed

the

mos

t.

An

swer

s w

ill

vary

.

13

-42

AF

1.3

, 2

MR

1.0

021_

025_

C13

L4_1

0581

3.in

dd P

age

25 5

/10/

10 7

:45:

18 P

M s

-087

/Vol

umes

/108

/GO

0057

7/M

athC

onne

cts_

CA

_CR

M_1

0/A

ncill

iary

/App

licat

ion_

File

s/C

13_.

..

Nam

e

Gra

de 2

24

C

hapt

er 1

3

13

-4H

om

ew

ork

Pra

cti

ce

Pro

blem

-Sol

ving

Str

ateg

y: M

ake

a T

able

Us

e t

he

ta

ble

to

so

lve

.

1

. R

anda

ll ke

eps

trac

k of

how

man

y la

wns

he

mow

s ea

ch w

eek.

If

the

patte

rn g

oes

on, h

ow m

any

law

ns w

ill h

e m

ow in

wee

k 4?

We

ek

Nu

mb

er

of

La

wn

s

17

210

313

416

2.

Mr.

Ray

’s c

lass

is g

oing

to th

e hi

stor

y m

useu

m. H

e m

ade

a lis

t of

the

activ

ities

for

the

day.

Mu

se

um

Tri

p

See

film

: Wor

ld A

rt11

:15–

12:1

5

Lunc

h12

:30–

1:00

His

tory

of E

gypt

1:15

–2:1

5

For

how

long

will

they

see

the

Egy

pt d

ispl

ay?

1 h

our

3.

A r

esta

uran

t ser

ves

40 o

rang

es a

day

. How

man

y or

ange

s do

es it

ser

ve in

5 d

ays?

20

0 o

rang

es

da

ys

12

34

5o

ran

ge

s40

8012

016

020

0

2A

F1

.3,

2M

R1.0

021_

025_

C13

L4_1

0581

3.in

dd P

age

24 5

/10/

10 7

:45:

18 P

M s

-087

/Vol

umes

/108

/GO

0057

7/M

athC

onne

cts_

CA

_CR

M_1

0/A

ncill

iary

/App

licat

ion_

File

s/C

13_.

..

Cop

yrig

ht ©

Mac

mill

an/M

cGra

w-H

ill, a

div

isio

n of

The

McG

raw

-Hill

Com

pani

es, I

nc.


P rinter P DF



pygp

Chapter Resources

Gra

de 2

27

C

hapt

er 1

3

Nam

e

13

-5S

kil

ls P

rac

tic

e

Est

imat

e S

ums

Ro

un

d e

ac

h n

um

be

r to

th

e n

ea

res

t te

n.

Es

tim

ate

th

e s

um

.

1

.

302

→

300

2.

68

6 →

69

0

+

287

→ +

290

+

174

→ +

170

590

86

0

3

.

365

→

370

4.

40

5 →

41

0

+

209

→ +

210

+

325

→ +

330

580

74

0

Ro

un

d e

ac

h n

um

be

r to

th

e n

ea

res

t h

un

dre

d.

Es

tim

ate

th

e s

um

.

5

.

518

→

500

6.

70

1 →

70

0

+

169

→ +

200

+

216

→ +

200

700

90

0

7

.

176

→

200

8.

39

0 →

40

0

+

315

→ +

300

+

412

→ +

400

500

80

0

So

lve

.

9

. T

here

are

410

par

ents

and

526

chi

ldre

n in

the

park

. Rou

ndin

g to

the

near

est h

undr

ed, h

ow m

any

peop

le a

re in

the

park

?

900

peo

ple

10

. M

r. T

an s

ells

215

app

les

on W

edne

sday

and

486

app

les

on

Sun

day.

Rou

ndin

g to

the

near

est t

en, h

ow m

any

appl

es d

oes

Mr.

Tan

sel

l?

710

app

les

2N

S2

.0,

2N

S6

.0

026_

030_

C13

L5_1

0581

3.in

dd P

age

27 5

/10/

10 7

:42:

53 P

M s

-087

/Vol

umes

/108

/GO

0057

7/M

athC

onne

cts_

CA

_CR

M_1

0/A

ncill

iary

/App

licat

ion_

File

s/C

13_.

..

Nam

e

Gra

de 2

26

C

hapt

er 1

3

Yo

u c

an

es

tim

ate

to

fin

d a

n a

ns

we

r th

at

is c

los

e t

o t

he

ex

ac

t a

ns

we

r.

The

re a

re 5

17 p

eopl

e in

Col

d C

reek

. The

re a

re 2

81 p

eopl

e in

Old

T

own.

Abo

ut h

ow m

any

peop

le li

ve in

the

two

tow

ns?

Ste

p 1

S

tep

2

Look

at t

he te

ns. R

ound

A

dd th

e ne

w a

dden

ds to

find

each

add

end

to th

e

the

estim

ated

sum

.ne

ares

t hu

nd

red

.

51

7 ro

unds

to →

500

50

0+

281

rou

nds

to →

+

300

+

300

800

The

num

ber

of p

eopl

e in

the

two

tow

ns is

abo

ut

800

.

Ro

un

d e

ac

h n

um

be

r to

th

e n

ea

res

t h

un

dre

d.

Es

tim

ate

ea

ch

su

m.

1.

48

9 →

50

0 2

.

466

→

500

+ 3

11 →

+30

0 +

195

→ +

200

80

0 70

0

Ro

un

d e

ac

h n

um

be

r to

th

e n

ea

res

t te

n.

Es

tim

ate

ea

ch

su

m.

3.

60

6 →

61

0 4

.

307

→

310

+ 2

47 →

+25

0 +

258

→ +

260

86

0 57

0

Re

tea

ch

Est

imat

e S

ums

13

-52

NS

2.0

, 2

NS

6.0

026_

030_

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26 5

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File

s/C

13_.

..

Copyright ©

Macm

illan/McG

raw-H


cGraw

-Hill C

ompanies, Inc.


P rinter P DF



An

swer

s

pygp

Chapter Resources

Gra

de 2

29

C

hapt

er 1

3

Nam

e

13

-5P

rob

lem

-So

lvin

g P

rac

tic

e

Est

imat

e S

ums

So

lve

.

1

. M

r. M

arcu

s se

lls 3

13

oran

ges

and

196

appl

es.

Rou

nd to

the

near

est t

en

and

estim

ate

how

man

y fr

uits

Mr.

Mar

cus

sells

.

510

frui

ts

2

. T

here

are

217

adu

lts a

nd 4

89

child

ren

at th

e zo

o. R

ound

to

the

near

est h

undr

ed a

nd

estim

ate

how

man

y pe

ople

ar

e at

the

zoo.

700

peo

ple

3

. M

anue

l has

390

pen

nies

. H

is b

roth

er C

arlo

s ha

s 17

9 pe

nnie

s. R

ound

to

the

near

est h

undr

ed

and

estim

ate

how

man

y pe

nnie

s th

e br

othe

rs

have

.

600

pen

nies

4

. T

he C

omm

unity

Cen

ter

has

a ba

ke s

ale.

The

y se

ll 21

9 ch

urro

s on

Sat

urda

y an

d 18

9 ch

urro

s on

Sun

day.

Rou

nd to

th

e ne

ares

t ten

and

est

imat

e ho

w m

any

chur

ros

the

Com

mun

ity C

ente

r se

lls.

410

chu

rros

5

. T

anne

r’s c

lass

rea

d 11

0 bo

oks

last

yea

r. T

hey

read

129

boo

ks th

is y

ear.

E

stim

ate

how

man

y bo

oks

the

clas

s re

ad in

the

two

year

s. R

ound

to th

e ne

ares

t hun

dred

.

200

boo

ks

6

. T

he s

econ

d gr

ade

at

Cam

pbel

l Ele

men

tary

Sch

ool

has

311

stud

ents

. The

third

gr

ade

has

391

stud

ents

. E

stim

ate

how

man

y st

uden

ts

ther

e ar

e in

the

two

grad

es.

Rou

nd to

the

near

est t

en.

700

stu

dent

s

2N

S2

.0,

2N

S6

.0

026_

030_

C13

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0581

3.in

dd P

age

29 5

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:42:

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M s

-087

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umes

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File

s/C

13_.

..

Nam

e

Gra

de 2

28

C

hapt

er 1

3

Ho

me

wo

rk P

rac

tic

e

Est

imat

e S

ums

Ro

un

d e

ac

h n

um

be

r to

th

e n

ea

res

t te

n.

Es

tim

ate

th

e s

um

.

1

.

149

→

150

2.

5

14 →

51

0

+

366

→ +

370

+

233

→ +

230

520

74

0

3

.

295

→

300

4.

1

70 →

17

0

+

480

→ +

480

+

396

→ +

400

780

57

0

Ro

un

d e

ac

h n

um

be

r to

th

e n

ea

res

t h

un

dre

d.

Es

tim

ate

th

e s

um

.

5

.

811

→

800

6.

5

02 →

50

0

+

117

→ +

100

+

310

→ +

300

900

80

0

7

.

199

→

200

8.

2

87 →

30

0

+

540

→ +

500

+

132

→ +

100

700

40

0

So

lve

.

9

. Ja

ck’s

sch

ool h

as a

boo

k sa

le. T

hey

sell

347

book

s on

Mon

day

and

214

book

s on

Tue

sday

. Rou

ndin

g to

the

near

est t

en, h

ow

man

y bo

oks

does

the

scho

ol s

ell?

560

boo

ks

13

-52

NS

2.0

, 2

NS

6.0

026_

030_

C13

L5_1

0581

3.in

ddP

age

285/

18/1

01:

09:0

0A

Mu-

s073

/Vol

umes

/108

/GO

0057

7/M

athC

onne

cts_

CA

_CR

M_1

0/A

ncill

iary

/App

licat

ion_

File

s/C

13_.

..

Cop

yrig

ht ©

Mac

mill

an/M

cGra

w-H

ill, a

div

isio

n of

The

McG

raw

-Hill

Com

pani

es, I

nc.





pygp

Chapter Resources

Gra

de 2

31

C

hapt

er 1

3

Nam

e

Lin

e u

p d

ec

ima

l p

oin

ts t

o a

dd

mo

ne

y.

$1

.59

$2

.19

$1

.72

$3

.31

$2

.35

Jim

buy

s th

e du

ck a

nd th

e do

g. H

ow m

uch

does

he

spen

d?

$1.7

2

+ 2

.35

$4.0

7

Ad

d.

S

ho

w y

ou

r w

ork

he

re.

1

. Le

e ha

s $5

.00.

She

buy

s th

e

$3.

31

+ 1

.59

$4.9

0pi

g an

d th

e ca

t. H

ow m

uch

mon

ey d

oes

she

spen

d?

2

. S

amm

y bu

ys th

e du

ck a

nd

$

1.72

+

2.1

9

$3

.91

the

rabb

it. H

ow m

uch

does

he

spe

nd?

3

. P

am b

uys

the

dog

and

the

$2.

35

+ 1

.59

$3.9

4ca

t. H

ow m

uch

mon

ey d

oes

she

spen

d?

Re

tea

ch

Add

Mon

ey

13

-62

NS

2.2

, 2

NS

5.0

031_

035_

C13

L6_1

0581

3.in

dd P

age

31 5

/10/

10 7

:43:

26 P

M s

-087

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umes

/108

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0057

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onne

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licat

ion_

File

s/C

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..

Nam

e

Gra

de 2

30

C

hapt

er 1

3

13

-5E

nri

ch

Sea

rch

for

1,00

0

Ro

un

d e

ac

h n

um

be

r to

th

e n

ea

res

t 1

00

.

G

roup

1

Gro

up 2

G

roup

3

Gro

up 4

345

300

72

1 70

0

299

300

45

3 50

0

G

roup

5

Gro

up 6

G

roup

7

Gro

up 8

148

100

51

4 50

0

824

800

91

0 90

0

G

roup

9

Gro

up 1

0 G

roup

11

Gro

up 1

2

675

700

38

8 40

0

53

100

57

8 60

0

The

re a

re 1

,000

sea

ts a

t the

are

na. T

hey

can

adm

it tw

o gr

oups

at a

tim

e. E

stim

ate

whi

ch g

roup

s w

ill fi

t in

to th

e ar

ena

at th

e sa

me

time.

Fin

d p

air

s o

f g

rou

ps

th

at

ca

n f

it i

nto

th

e

are

na

at

the

sa

me

tim

e. P

ossi

ble

an

swer

s:

1

. 1

and

2

2

. 3

and

9

3

. 5

and

8

4

. 10

and

12

2N

S2

.0,

2N

S6

.0

026_

030_

C13

L5_1

0581

3.in

dd P

age

30 5

/10/

10 7

:42:

54 P

M s

-087

/Vol

umes

/108

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0057

7/M

athC

onne

cts_

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_CR

M_1

0/A

ncill

iary

/App

licat

ion_

File

s/C

13_.

..

Copyright ©

Macm

illan/McG

raw-H


cGraw

-Hill C

ompanies, Inc.


P rinter P DF



An

swer

s

pygp

Chapter Resources

Gra

de 2

33

C

hapt

er 1

3

Nam

e

13

-6H

om

ew

ork

Pra

cti

ce

Add

Mon

ey

So

lve

.

1

.

$6.0

6 2

.

$3.5

5 3

. $

0.77

+ 1

.23

+

2.8

9

+ 2

.19

$7

.29

$6

.44

$2

.96

4

.

$8.2

3 5

.

$5.0

5 6

. $

1.39

+ 1

.59

+

2.4

6

+ 4

.50

$9

.82

$7

.51

$5

.89

Us

e t

he

ta

ble

to

so

lve

.

Lu

nc

h #

1$3

.49

add

juic

e$0

.75

Lu

nc

h #

2$3

.79

add

milk

$0.7

5

Lu

nc

h #

3$4

.10

add

oran

ge$0

.89

Lu

nc

h #

4

$4.7

5ad

d yo

gurt

$1.2

3

7

. B

rady

wan

ts to

buy

lunc

h #2

. He

wou

ld a

lso

like

to a

dd a

n or

ange

. How

muc

h w

ill B

rady

’s lu

nch

cost

?

$4.6

8

8

. M

rs. S

tone

buy

s lu

nch

#4. S

he a

dds

both

a y

ogur

t and

a ju

ice.

Wha

t is

the

tota

l cos

t of h

er lu

nch?

$6.7

3

2N

S2

.2,

2N

S5

.0

031_

035_

C13

L6_1

0581

3.in

dd P

age

33 5

/10/

10 7

:43:

28 P

M s

-087

/Vol

umes

/108

/GO

0057

7/M

athC

onne

cts_

CA

_CR

M_1

0/A

ncill

iary

/App

licat

ion_

File

s/C

13_.

..

Nam

e

Gra

de 2

32

C

hapt

er 1

3

Sk

ills

Pra

cti

ce

Add

Mon

ey

So

lve

.

1

.

$2.6

9 2

.

$3.7

5 3

. $

7.11

+ 3

.45

+

1.4

1

+ 1

.94

$6

.14

$5

.16

$9

.05

4

.

$3.8

7 5

.

$2.9

1 6

. $

2.09

+ 0

.75

+

5.0

1

+ 3

.76

$4

.62

$7

.92

$5

.85

7

.

$0.8

9 8

.

$1.2

5 9

. $

2.09

+ 5

.88

+

1.9

5

+ 2

.99

$6

.77

$3

.20

$5

.08

So

lve

.

10

. A

my

pays

$3.

11 fo

r a

sand

wic

h an

d ju

ice.

She

pay

s an

othe

r 89

cen

ts fo

r an

ora

nge.

How

muc

h do

es A

my

spen

d on

lunc

h?

$4.0

0

11

. M

r. B

aile

y sp

ends

$2.

11 fo

r pe

ncils

. He

spen

ds $

3.47

for

a no

tebo

ok. I

f he

buys

a fo

lder

for

50 c

ents

, how

muc

h w

ill

Mr.

Bai

ley

spen

d?

$6.0

8

13

-62

NS

2.2

, 2

NS

5.0

031_

035_

C13

L6_1

0581

3.in

dd P

age

32 5

/10/

10 7

:43:

27 P

M s

-087

/Vol

umes

/108

/GO

0057

7/M

athC

onne

cts_

CA

_CR

M_1

0/A

ncill

iary

/App

licat

ion_

File

s/C

13_.

..

Cop

yrig

ht ©

Mac

mill

an/M

cGra

w-H

ill, a

div

isio

n of

The

McG

raw

-Hill

Com

pani

es, I

nc.


P rinter P DF



pygp

Chapter Resources

Gra

de 2

35

C

hapt

er 1

3

Nam

e

En

ric

h

Whi

ch W

ould

You

Cho

ose?

Re

ad

th

e c

ho

ice

s.

Ch

oo

se

th

e o

ne

th

at

wo

uld

be

wo

rth

th

e m

os

t m

on

ey

.

1

. C

hoic

e 1:

$0.

50 a

day

Cho

ice

2: $

10.0

0 a

wee

k

Why

?

choi

ce 2

; $1

0.00

> $

3.50

2

. C

hoic

e 1:

$10

.00

a w

eek

Cho

ice

2: $

1.00

a d

ay

Why

? ch

oice

1;

$10.

00 >

$7.

00

3

. C

hoic

e 1:

$10

.00

for

one

wee

k

Cho

ice

2: $

2.00

a d

ay

Why

? ch

oice

2;

$14.

00 >

$10

.00

4

. C

hoic

e 1:

$15

.00

for

two

wee

ks

Cho

ice

2: $

10.0

0 a

wee

k

Why

? ch

oice

2;

$20.

00 >

$15

.00

13

-62

NS

2.2

, 2

NS

5.0

031_

035_

C13

L6_1

0581

3.in

dd P

age

35 5

/10/

10 7

:43:

29 P

M s

-087

/Vol

umes

/108

/GO

0057

7/M

athC

onne

cts_

CA

_CR

M_1

0/A

ncill

iary

/App

licat

ion_

File

s/C

13_.

..

Nam

e

Gra

de 2

34

C

hapt

er 1

3

13

-6P

rob

lem

-So

lvin

g P

rac

tic

e

Add

Mon

ey

So

lve

.

1

. K

ate

buys

a p

en fo

r $2

.00.

S

he b

uys

a no

tebo

ok fo

r $1

.69.

How

muc

h do

es K

ate

spen

d in

all?

$3.6

9

2

. D

an s

aves

$4.

75. H

e pu

ts

anot

her

$1.2

6 in

his

ban

k.

How

muc

h m

oney

doe

s D

an

have

now

?

$6.0

1

3

. D

rew

wan

ts to

buy

the

boat

fo

r hi

s si

ster

and

the

trai

n fo

r hi

s br

othe

r. H

ow m

uch

will

he

spe

nd in

all?

$6.6

4

4

. M

rs. M

agee

sel

ls a

boa

t and

a

bear

. How

muc

h m

oney

do

es s

he e

arn?

$8.1

8

Sp

ec

ial

#1

$6.5

9A

dd c

offe

e$1

.10

Sp

ec

ial

#2

$7.5

9A

dd r

olls

$0.8

4

Sp

ec

ial

#3

$7.9

5A

dd s

oup

$1.7

3

5

. M

r. G

rey

orde

rs s

peci

al #

2 an

d ad

ds r

olls

. How

muc

h is

M

r. G

rey’

s di

nner

?

$8.4

3

6

. M

rs. G

rey

orde

rs s

peci

al #

1 an

d ad

ds s

oup.

How

muc

h is

Mrs

. Gre

y’s

dinn

er?

$8.3

2

2N

S2

.2,

2N

S5

.0

$3.89

$4.29

$2.7

5

031_

035_

C13

L6_1

0581

3.in

dd P

age

34 5

/10/

10 7

:43:

28 P

M s

-087

/Vol

umes

/108

/GO

0057

7/M

athC

onne

cts_

CA

_CR

M_1

0/A

ncill

iary

/App

licat

ion_

File

s/C

13_.

..

Copyright ©

Macm

illan/McG

raw-H


cGraw

-Hill C

ompanies, Inc.


P rinter P DF



An

swer

s

$5.0

9

$3.9

9

$2.3

5

$4.8

7

$3.5

0

pygp

Chapter Resources

Gra

de 2

37

C

hapt

er 1

3

Nam

e

13

-7R

ete

ac

h (

2)

Pro

blem

-Sol

ving

Inv

estig

atio

n: C

hoos

e a

Str

ateg

y

1

. D

ar w

ants

to b

uy th

e ba

sket

ball

and

the

base

ball.

How

muc

h

will

he

spen

d in

all?

$7.

49

2.

Lonn

ie h

as $

7.65

. He

thin

ks h

e ha

s en

ough

mon

ey to

buy

the

foot

ball

and

the

socc

er b

all.

Is h

e co

rrec

t? E

xpla

in.

Y

es;

the

tota

l w

ill

be

$7.4

4.

3.

Nam

e th

e tw

o m

ost e

xpen

sive

item

s sh

own

abov

e. W

hat w

ould

be

the

tota

l cos

t of t

hese

two

item

s?

f

ootb

all,

pin

g p

ong

set;

$9.

96

4.

Josh

buy

s 2

foot

balls

. Jef

f buy

s 3

bask

etba

lls. W

ho s

pend

s m

ore?

J

eff.

He

spen

ds

$10.

50. J

osh

sp

end

s $1

0.18

2M

R1

.1,

2N

S2

.2

Pro

ble

m-S

olv

ing

Str

ate

gie

s

• U

se L

ogic

al R

easo

ning

• M

ake

a C

hart

• W

rite

a N

umbe

r S

ente

nce

036_

040_

C13

L7_1

0581

3.in

dd P

age

37 5

/10/

10 7

:43:

56 P

M s

-087

/Vol

umes

/108

/GO

0057

7/M

athC

onne

cts_

CA

_CR

M_1

0/A

ncill

iary

/App

licat

ion_

File

s/C

13_.

..

Nam

e

Gra

de 2

36

C

hapt

er 1

3

Mia

has

$4.

87 in

her

pig

gy b

ank.

H

er s

iste

r T

anya

has

$4.

21

in h

er p

iggy

ban

k. H

ow m

uch

mon

ey d

o th

e si

ster

s ha

ve in

all?

Re

tea

ch

(1

)

Pro

blem

-Sol

ving

Inv

estig

atio

n: C

hoos

e a

Str

ateg

y

13

-7

Wh

at

do

I k

no

w?

Mia

has

$4.

87.

Tan

ya h

as $

4.21

.

Wh

at

do

I n

ee

d t

o f

ind

ou

t?

How

muc

h m

oney

alto

geth

er?

Un

de

rsta

nd

Ste

p 1

Pla

n

Ste

p 2

So

lve

Ste

p 3

Wri

te a

nu

mb

er

se

nte

nc

e.

$4

.87

+ 4.

21

9.

08

The

sis

ters

hav

e $9

.08

alto

geth

er.

Ho

w w

ill

I fi

nd

ou

t th

e t

ota

l?

I ca

n w

rite

a nu

mbe

r se

nten

ce.

Ch

ec

k

Ste

p 4

Lo

ok

ba

ck

.

I w

rote

a n

umbe

r se

nten

ce. I

add

ed to

find

ho

w m

uch

mon

ey a

ltoge

ther

.

2M

R1

.1,

2N

S5

.0

Pro

ble

m-S

olv

ing

Str

ate

gie

s

• U

se L

ogic

al R

easo

ning

• M

ake

a C

hart

• W

rite

a N

umbe

r S

ente

nce

036_

040_

C13

L7_1

0581

3.in

dd P

age

36 5

/10/

10 7

:43:

54 P

M s

-087

/Vol

umes

/108

/GO

0057

7/M

athC

onne

cts_

CA

_CR

M_1

0/A

ncill

iary

/App

licat

ion_

File

s/C

13_.

..

Cop

yrig

ht ©

Mac

mill

an/M

cGra

w-H

ill, a

div

isio

n of

The

McG

raw

-Hill

Com

pani

es, I

nc.


P rinter P DF



$1.3

5$3

.05

$2.9

9$2

.09

$1.1

1

pygp

Chapter Resources

Gra

de 2

39

C

hapt

er 1

3

Nam

e

13

-7H

om

ew

ork

Pra

cti

ce

Pro

blem

-Sol

ving

Inv

estig

atio

n: C

hoos

e a

Str

ateg

y

1

. K

en b

uys

the

duck

and

the

fish.

He

thin

ks th

e to

tal w

ill b

e le

ss

than

$4.

00. I

s he

cor

rect

? E

xpla

in.

No;

th

e to

tal

wil

l b

e $4

.16.

2

. R

aj b

uys

the

boat

to s

hare

with

his

bro

ther

. If h

e al

so b

uys

the

frog

, how

muc

h w

ill h

e sp

end

alto

geth

er?

$5.0

8

3

. N

ame

the

two

mos

t exp

ensi

ve it

ems

show

n ab

ove.

Wha

t wou

ld

be th

e to

tal c

ost o

f the

se tw

o ite

ms?

b

oat,

fis

h;

$6.0

4

4

. B

illy

has

$5.0

0 to

spe

nd. W

hat 3

item

s ca

n B

illy

buy?

s

wan

, du

ck, a

nd

fro

g

2M

R1

.1,

2N

S2

.2

Pro

ble

m-S

olv

ing

Str

ate

gie

s

• U

se L

ogic

al R

easo

ning

• M

ake

a C

hart

• W

rite

a N

umbe

r S

ente

nce

036_

040_

C13

L7_1

0581

3.in

dd P

age

39 5

/10/

10 7

:43:

58 P

M s

-087

/Vol

umes

/108

/GO

0057

7/M

athC

onne

cts_

CA

_CR

M_1

0/A

ncill

iary

/App

licat

ion_

File

s/C

13_.

..

Nam

e

Gra

de 2

38

C

hapt

er 1

3

Sk

ills

Pra

cti

ce

Pro

blem

-Sol

ving

Inv

estig

atio

n: C

hoos

e a

Str

ateg

y

Pro

ble

m-S

olv

ing

Str

ate

gie

s

• U

se L

ogic

al R

easo

ning

• M

ake

a C

hart

• W

rite

a N

umbe

r S

ente

nce

1

. M

rs. H

ayes

buy

s he

r so

n lu

nch.

Lun

ch #

1 is

$3.

89. L

unch

#2

is $

4.19

. Lun

ch #

3 is

$4.

89. M

rs. H

ayes

ord

ers

#2. I

f her

son

or

ders

#3,

how

muc

h w

ill M

rs. H

ayes

pay

? $9

.08

2

. D

ale

spen

ds $

2.85

on

bus

ticke

ts. H

is fr

iend

Jay

spe

nds

$3.6

0 on

bus

tick

ets

the

sam

e da

y. H

ow m

uch

do th

e tw

o sp

end

on b

us ti

cket

s in

all?

$6

.45

3

. P

ia w

ants

to b

uy a

dol

l for

$4.

27. S

he w

ants

to b

uy th

e sa

me

doll

for

her

frie

nd. H

ow m

uch

mon

ey w

ill P

ia s

pend

on

both

do

lls?

$8.5

4

4

. S

ari h

as 5

dol

lars

. She

buy

s a

sand

wic

h fo

r $3

.00

and

a ju

ice

for

$1.2

9. A

pple

s co

st $

0.89

. Doe

s sh

e ha

ve e

noug

h to

buy

an

appl

e to

o?

No;

th

e to

tal

wou

ld b

e $5

.18.

13

-72

MR

1.1

, 2

NS

2.2

036_

040_

C13

L7_1

0581

3.in

dd P

age

38 5

/10/

10 7

:43:

57 P

M s

-087

/Vol

umes

/108

/GO

0057

7/M

athC

onne

cts_

CA

_CR

M_1

0/A

ncill

iary

/App

licat

ion_

File

s/C

13_.

..

Copyright ©

Macm

illan/McG

raw-H


cGraw

-Hill C

ompanies, Inc.


P rinter P DF



An

swer

s

Nam

e

Gra

de 2

40

C

hapt

er 1

3

13

-7E

nri

ch

Fol

low

the

Num

ber

Us

e t

he

se

co

ns

ec

uti

ve

nu

mb

ers

to

an

sw

er

the

fo

llo

win

g

qu

es

tio

ns

.

12

34

56

78

91

01

11

21

3

1

. W

hich

tw

o c

onse

cutiv

e nu

mbe

rs a

dd u

p to

21?

10,

11

2

. W

hich

th

ree

con

secu

tive

num

bers

add

up

to 2

1? 6

, 7, 8

3

. W

hich

th

ree

con

secu

tive

num

bers

add

up

to 3

0? 9

, 10,

11

4

. W

hich

fo

ur

cons

ecut

ive

num

bers

add

up

to 3

0? 6

, 7, 8

, 9

5

. W

hich

fiv

e c

onse

cutiv

e nu

mbe

rs a

dd u

p to

a n

umbe

r gr

eate

r

than

30?

Sa

mp

le a

nsw

er:

9, 1

0, 1

1, 1

2, 1

3

2M

R1

.1,

2N

S5

.5

Con

secu

tive

num

bers

are

num

bers

that

follo

w e

ach

othe

r in

ord

er.

036_

040_

C13

L7_1

0581

3.in

dd P

age

40 5

/10/

10 7

:43:

59 P

M s

-087

/Vol

umes

/108

/GO

0057

7/M

athC

onne

cts_

CA

_CR

M_1

0/A

ncill

iary

/App

licat

ion_

File

s/C

13_.

..

Cop

yrig

ht ©

Mac

mill

an/M

cGra

w-H

ill, a

div

isio

n of

The

McG

raw

-Hill

Com

pani

es, I

nc.


P rinter P DF


Answers (Diagnostic Test, Chapter Pretest)

Nam

e

Gra

de 2

42

C

hapt

er 1

3

Dia

gn

os

tic

Te

st

Are

you

rea

dy fo

r ch

apte

r 13

?

Ad

d.

1

. 8

+ 7

=

15

2

. 9

+ 8

=

17

3

. 7

+ 5

=

12

4

. 9

+ 5

=

14

5

. 60

+ 2

0 =

80

6

. 47

+ 3

6 =

83

7

. 42

cen

ts +

37

cent

s =

79

cen

ts

8

. $0

.64

+ $

0.16

= $

0.80

Ro

un

d t

o t

he

ne

are

st

ten

.

9

. 58

rou

nds

to

60.

10

. 72

rou

nds

to

70.

11

. 45

rou

nds

to

50.

12

. 34

rou

nds

to

30.

13

. 89

rou

nds

to

90.

14

. 22

rou

nds

to

20.

15

. 8

roun

ds to

10

.

13

041_

064_

C13

EM

_105

813.

indd

Pag

e 42

5/1

0/10

7:4

4:24

PM

s-0

87/V

olum

es/1

08/G

O00

577/

Mat

hCon

nect

s_C

A_C

RM

_10/

Anc

illia

ry/A

pplic

atio

n_F

iles/

C13

_...

pygp

Chapter Resources

Gra

de 2

43

C

hapt

er 1

3

Nam

e

Ch

ap

ter

Pre

tes

t

Wri

te t

he

an

sw

er.

1

. 5

hund

reds

+ 3

hun

dred

s =

8

hun

dred

s

500

+ 3

00 =

80

0

2

. 17

3 +

608

= 78

1

3

. A

caf

é se

rves

30

bana

nas

a da

y. H

ow m

any

bana

nas

does

it

serv

e in

5 d

ays?

Com

plet

e th

e ta

ble

to s

olve

. 15

0 b

anan

as

Da

ys

12

34

5B

an

an

as

3060

9012

015

0

Ro

un

d e

ac

h n

um

be

r to

th

e n

ea

res

t te

n.

Es

tim

ate

th

e s

um

.

4

.

402

→

400

5.

32

6 →

33

0

+ 3

87 →

+39

0

+ 1

24 →

+12

0

790

45

0 R

ou

nd

ea

ch

nu

mb

er

to t

he

ne

are

st

hu

nd

red

.

Es

tim

ate

th

e s

um

.

6

.

707

→

700

7.

1

26 →

10

0

+ 1

97 →

+20

0

+ 4

24 →

+

400

90

0

500

So

lve

.

8

.

$3.7

8 9

.

$2.5

1 1

0.

$4

.40

+

4.04

+

0.4

6 +

2.4

2$7

.82

$2

.97

$6

.82

13

041_

064_

C13

EM

_105

813.

indd

Pag

e 43

5/1

0/10

7:4

4:25

PM

s-0

87/V

olum

es/1

08/G

O00

577/

Mat

hCon

nect

s_C

A_C

RM

_10/

Anc

illia

ry/A

pplic

atio

n_F

iles/

C13

_...

Copyright ©

Macm

illan/McG

raw-H


cGraw

-Hill C

ompanies, Inc.


P rinter P DF

An

swer

s


pygp

Chapter Resources

Gra

de 2

45

C

hapt

er 1

3

Nam

e

Vo

ca

bu

lary

Te

st

Us

e t

he

wo

rds

in

th

e w

ord

ba

nk

. W

rite

th

e c

orr

ec

t

wo

rd i

n t

he

bla

nk

.

add,

hun

dred

s, r

egro

up, r

ound

, sum

1

. I

can

regr

oup

one

s an

d te

ns to

add

.

2

. W

hen

I ad

d tw

o nu

mbe

rs to

geth

er, t

he a

nsw

er is

the

sum

.

3

. W

hen

I do

n’t n

eed

an e

xact

ans

wer

, I c

an

rou

nd

.

Ma

tch

ea

ch

wo

rd t

o t

he

co

rre

ct

se

nte

nc

e.

4

. re

grou

p ta

ke a

part

and

rew

rite

a nu

mbe

r

5

. hu

ndre

ds

answ

er to

an

addi

tion

prob

lem

6

. ad

d ch

ange

num

ber

to a

si

mpl

er v

alue

7

. su

m

the

num

bers

100

– 9

99.

8

. ro

und

join

num

bers

or

sets

to

geth

er

13

041_

064_

C13

EM

_105

813.

indd

Pag

e 45

5/1

0/10

7:4

4:26

PM

s-0

87/V

olum

es/1

08/G

O00

577/

Mat

hCon

nect

s_C

A_C

RM

_10/

Anc

illia

ry/A

pplic

atio

n_F

iles/

C13

_...

Nam

e

Gra

de 2

44

C

hapt

er 1

3

Mid

-Ch

ap

ter

Te

st

Ch

oo

se

th

e b

es

t a

ns

we

r to

th

e q

ue

sti

on

.

13

1

. H

ow m

any

hund

reds

? [L

esso

n 13

.1]

+

4

pro

ced

ura

l er

ror

5

corr

ect

6

pro

ced

ura

l er

ror

7

gues

s

2

. H

ow m

any

hund

reds

? [L

esso

n 13

.1]

+

4

gues

s

5

gues

s

6

pro

ced

ura

l er

ror

7

corr

ect

3

. 13

8 +

206

=

[Les

son

13.2

]

304

gu

ess

321

gu

ess

334

p

roce

du

ral

erro

r

344

co

rrec

t

4

. 12

6 +

181

=

[Les

son

13.3

]

305

p

roce

du

ral

erro

r

307

co

rrec

t

311

gu

ess

327

p

roce

du

ral

erro

r

Re

gro

up

on

es

to

ad

d.

[Les

son

13.2

]

5

. 21

5 +

447

=

662

6.

506

+ 1

25 =

63

1

Re

gro

up

te

ns

to

ad

d.

[Les

son

13.3

]

7

. 61

6 +

192

=

808

8.

270

+ 2

66 =

53

6

041_

064_

C13

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_105

813.

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Pag

e 44

5/1

0/10

7:4

4:25

PM

s-0

87/V

olum

es/1

08/G

O00

577/

Mat

hCon

nect

s_C

A_C

RM

_10/

Anc

illia

ry/A

pplic

atio

n_F

iles/

C13

_...

Answers (Mid-Chapter Test, Vocabulary Test)C

opyr

ight

© M

acm

illan

/McG

raw

-Hill

, a d

ivis

ion

of T

he M

cGra

w-H

ill C

ompa

nies

, Inc

.


P rinter P DF


pygp

Chapter Resources

Gra

de 2

47

C

hapt

er 1

3

Nam

e

Ora

l A

ss

es

sm

en

t R

es

po

ns

e S

he

et

1

. 5

hu

nd

red

s

2

. 9

hu

nd

red

s

3

. 12

6; 3

36;

yes;

462

4

. 27

2; 4

62;

no;

yes

; 73

4

5

. 33

0; 2

80;

610

6

. 50

0; 2

00;

700

7

. $9

.37

8

. $5

.59

No

tes

an

d c

om

me

nts

13

041_

064_

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813.

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e 47

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PM

s-0

87/V

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es/1

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O00

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hCon

nect

s_C

A_C

RM

_10/

Anc

illia

ry/A

pplic

atio

n_F

iles/

C13

_...

pygp

Chapter Resources

Gra

de 2

49

C

hapt

er 1

3

Nam

e

1

. 70

0

2

. 59

1

3

. 75

7

4

. 78

0

5

. 80

0

No

tes

an

d c

om

me

nts

Lis

ten

ing

As

se

ss

me

nt

Re

sp

on

se

Sh

ee

t1

3

041_

064_

C13

EM

_105

813.

indd

Pag

e 49

5/1

0/10

7:4

4:27

PM

s-0

87/V

olum

es/1

08/G

O00

577/

Mat

hCon

nect

s_C

A_C

RM

_10/

Anc

illia

ry/A

pplic

atio

n_F

iles/

C13

_...

Answers (Oral & Listening Assessment Response Sheets)C

opyright © M

acmillan/M

cGraw

-Hill, a division of T

he McG

raw-H

ill Com

panies, Inc.


P rinter P DF

An

swer

s


pygp

Chapter Resources

Gra

de 2

53

C

hapt

er 1

3

Nam

e

Ch

ap

ter

Te

st,

Fo

rm 1

(c

ontin

ued)

13

6

. M

ia h

as 1

98 p

enni

es. H

er

sist

er h

as 1

31 p

enni

es. H

ow

man

y pe

nnie

s do

they

hav

e in

all?

[Le

sson

13.

3]

33

0 p

roce

du

ral

erro

r

32

9 co

rrec

t

32

8 p

roce

du

ral

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r

30

0 gu

ess

7

. T

here

are

409

adu

lts a

nd

515

child

ren

at th

e zo

o.

Abo

ut h

ow m

any

peop

le a

re

in th

e zo

o? R

ound

to th

e ne

ares

t hun

dred

. [L

esso

n 13

.5]

92

4 p

roce

du

ral

erro

r

82

4 co

nce

ptu

al e

rror

80

0 co

nce

ptu

al e

rror

90

0 co

rrec

t

8.

Ran

dall

save

s $5

.87.

He

puts

ano

ther

$1.

17 in

his

ba

nk. H

ow m

uch

mon

ey

does

Ran

dall

have

now

? [L

esso

n 13

.6]

$7

.04

corr

ect

7.

04

con

cep

tual

err

or

$7

.14

pro

ced

ura

l er

ror

$7

.00

gues

s

9.

Ali

pays

$3.

50 fo

r a

sand

wic

h an

d ju

ice.

He

pays

an

othe

r $0

.75

for

an o

rang

e.

How

muc

h do

es A

li sp

end

on lu

nch?

[Les

son

13.6

]

$3

.50

con

cep

tual

err

or

$3

.75

pro

ced

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l er

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corr

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$5

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Nam

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Gra

de 2

52

C

hapt

er 1

3

Ch

ap

ter

Te

st,

Fo

rm 1

1

. 30

0 +

300

=

[L

esso

n 13

.1]

6

con

cep

tual

err

or

30

0 gu

ess

60

co

nce

ptu

al e

rror

60

0 co

rrec

t

13

3

. 13

1 +

249

=

[Les

son

13.2

]

28

0 pr

oced

ura

l er

ror

37

0 pr

oced

ura

l er

ror

38

0 co

rrec

t

39

0 pr

oced

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l er

ror

2

. 20

0 +

700

=

[Les

son

13.1

]

50

0 co

nce

ptu

al e

rror

60

0 co

nce

ptu

al e

rror

80

0 pr

oced

ura

l er

ror

90

0 co

rrec

t

4

. 20

8 +

354

=

[Les

son

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]

53

8 gu

ess

56

2 co

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57

2 pr

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l er

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63

0 co

nce

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GO

ON

Re

ad

ea

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qu

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are

full

y.

Fil

l in

th

e c

irc

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or

the

co

rre

ct

an

sw

er.

5.

547

+ 1

62 =

[Les

son

13.3

]

70

9 co

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70

7 pr

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60

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Answers (Chapter Test Form I)C

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© M

acm

illan

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.




Nam

e

Gra

de 2

54

C

hapt

er 1

3

Ch

ap

ter

Te

st,

Fo

rm 2

A

Re

ad

ea

ch

qu

es

tio

n c

are

full

y.

Fil

l in

th

e c

irc

le f

or

the

co

rre

ct

an

sw

er.

13

2

. 10

0 +

400

=

[L

esso

n 13

.1]

50

0 co

rrec

t

60

0 co

nce

ptu

al e

rror

80

0 co

nce

ptu

al e

rror

90

0 co

nce

ptu

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rror

1

. 20

0 +

500

=

[Les

son

13.1

]

7

con

cep

tual

err

or

70

gu

ess

70

0 co

rrec

t

70

00 c

once

ptu

al e

rror

4

. 13

7 +

417

=

[L

esso

n 13

.2]

54

4 pr

oced

ura

l er

ror

55

4 co

rrec

t

56

4 p

roce

du

ral

erro

r

58

4 co

nce

ptu

al e

rror G

O O

N

3

. 20

8 +

255

=

[L

esso

n 13

.2]

44

3 pr

oced

ura

l er

ror

45

3 pr

oced

ura

l er

ror

46

3 co

rrec

t

47

3 p

roce

du

ral

erro

r

5

. 37

4 +

281

=

[L

esso

n 13

.3]

75

5 pr

oced

ura

l er

ror

70

5 pr

oced

ura

l er

ror

65

5 co

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pygp

Chapter Resources

Gra

de 2

55

C

hapt

er 1

3

Nam

e

Ch

ap

ter

Te

st,

Fo

rm 2

A

(con

tinue

d)1

3

6.

The

re a

re 1

61 h

omes

in

Littl

etow

n. T

here

are

182

ho

mes

in B

lueb

urg.

How

m

any

hom

es d

o th

e tw

o to

wns

hav

e al

toge

ther

? [L

esso

n 13

.3]

33

0 p

roce

du

ral

erro

r

34

3 co

rrec

t

35

0 p

roce

du

ral

erro

r

44

3 gu

ess

8

. C

het p

ays

$3.6

5 fo

r a

sand

wic

h an

d ju

ice.

He

pays

ano

ther

80

cent

s fo

r an

ora

nge.

How

muc

h do

es

Che

t spe

nd o

n lu

nch?

[L

esso

n 13

.6]

$4

.45

corr

ect

$4

.50

pro

ced

ura

l er

ror

$5

.40

con

cep

tual

err

or

$5

.55

con

cep

tual

err

or

7

. T

here

are

208

fish

in T

ank

A. T

here

are

195

fish

in

Tan

k B

. Rou

nd to

the

near

est h

undr

ed. A

bout

how

m

any

fish

are

in th

e tw

o ta

nks?

[Le

sson

13.

5]

40

0 co

rrec

t

45

0 co

nce

ptu

al e

rror

50

0 p

roce

du

ral

erro

r

54

0 co

nce

ptu

al e

rror

9

. La

na s

aves

$6.

40. S

he p

uts

anot

her

$0.9

9 in

her

ban

k.

How

muc

h m

oney

doe

s La

na h

ave

now

? [L

esso

n 13

.6]

$7

.40

pro

ced

ura

l er

ror

$7

.39

corr

ect

$6

.40

con

cep

tual

err

or

$6

.00

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_...

Answers (Chapter Test Form 2A)C

opyright © M

acmillan/M

cGraw


he McG

raw-H

ill Com

panies, Inc.


P rinter P DF

An

swer

s


pygp

Chapter Resources

Gra

de 2

57

C

hapt

er 1

3

Nam

e

13

Ch

ap

ter

Te

st,

Fo

rm 2

B

(con

tinue

d)

7

. T

here

are

161

hou

ses

in

Joe’

s to

wn.

The

re a

re 1

82

hous

es in

Jim

’s to

wn.

How

m

any

tota

l hou

ses

are

ther

e in

the

two

tow

ns?

[Les

son

13.3

]

33

0 p

roce

du

ral

erro

r

34

3 co

rrec

t an

swer

35

0 p

roce

du

ral

erro

r

8

. T

here

are

208

fish

in T

ed’s

ta

nk. T

here

are

195

fish

in

Tin

a’s

tank

. Rou

nd to

the

near

est h

undr

ed. H

ow m

any

fish

in a

ll? [L

esso

n 13

.5]

40

0 co

rrec

t

45

0 co

nce

ptu

al e

rror

50

0 p

roce

du

ral

erro

r

9

. A

farm

er s

ells

111

app

les

on F

riday

and

206

app

les

on S

atur

day.

Rou

nd to

the

near

est t

en. H

ow m

any

appl

es d

oes

he s

ell o

n th

ese

days

? [L

esso

n 13

.5]

33

0 p

roce

du

ral

erro

r

32

5 co

nce

ptu

al e

rror

32

0 co

rrec

t

10

. A

nna

save

s $6

.40.

The

n sh

e sa

ves

$0.9

9 m

ore.

How

m

uch

mon

ey h

as A

nna

save

d? [

Less

on 1

3.6]

$7

.40

pro

ced

ura

l er

ror

$7

.39

corr

ect

$6

.40

pro

ced

ura

l er

ror

STO

P

11

. R

ita p

ays

$3.6

5 fo

r a

sand

wic

h an

d ju

ice.

She

pa

ys a

noth

er $

0.80

for

an

oran

ge. H

ow m

uch

does

R

ita p

ay fo

r lu

nch?

[Le

sson

13.

6]

$4

.45

corr

ect

$4

.50

pro

ced

ura

l er

ror

$5

.40

con

cep

tual

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or

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Nam

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Gra

de 2

56

C

hapt

er 1

3

Ch

ap

ter

Te

st,

Fo

rm 2

B

Re

ad

ea

ch

qu

es

tio

n.

Fil

l in

th

e c

irc

le f

or

the

an

sw

er.

13

1

. 20

0 +

500

=

[Les

son

13.1

]

7

con

cep

tual

err

or

70

gu

ess

70

0 co

rrec

t

2

. 10

0 +

400

=

[Les

son

13.1

]

50

0 co

rrec

t

5

con

cep

tual

err

or

30

0 gu

ess

3

. 20

8 +

255

=

[Les

son

13.2

]

44

3 p

roce

du

ral

erro

r

45

3 p

roce

du

ral

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r

46

3 co

rrec

t

4

. 13

7 +

417

=

[Les

son

13.2

]

54

4 p

roce

du

ral

erro

r

55

4 co

rrec

t

56

4 p

roce

du

ral

erro

r

5

. 37

4 +

281

=

[Les

son

13.3

]

65

5 co

rrec

t

70

5 p

roce

du

ral

erro

r

75

5 p

roce

du

ral

erro

r

GO

ON

6

. 29

6 +

437

=

[Les

sons

13.

2, 1

3.3]

63

3 p

roce

du

ral

erro

r

73

3 co

rrec

t

72

3 p

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s_C

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ry/A

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n_F

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_...

Answers (Chapter Test Form 2B)C

opyr

ight

© M

acm

illan

/McG

raw

-Hill

, a d

ivis

ion

of T

he M

cGra

w-H

ill C

ompa

nies

, Inc

.


P rinter P DF


Nam

e

Gra

de 2

58

C

hapt

er 1

3

Ch

ap

ter

Te

st,

Fo

rm 2

C

Re

ad

ea

ch

qu

es

tio

n.

Wri

te y

ou

r a

ns

we

r.

[Les

sons

13.

1, 1

3.2,

13.

3]

1

. +

Wha

t num

ber

is s

how

n? 50

0

2

.

215

3

.

226

4.

3

71

5.

14

6+

307

+ 4

26

+ 1

65

+ 5

9152

2

65

2

53

6

73

7

[Les

son

13.5

]

Ro

un

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um

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th

e n

ea

res

t te

n.

Es

tim

ate

th

e s

um

.

6

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287

7

.

174

+ 3

02

+ 6

8659

0

86

0

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th

e n

ea

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un

dre

d.

Es

tim

ate

th

e s

um

.

[Les

sons

13.

3, 1

3.5,

13.

6]

8

.

177

9

.

216

+ 6

11

+ 4

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0

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s_C

A_C

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_10/

Anc

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ry/A

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_...

pygp

Chapter Resources

Gra

de 2

59

C

hapt

er 1

3

Nam

e

Ch

ap

ter

Te

st,

Fo

rm 2

C

(con

tinue

d)

[Les

son

13.6

]

10

. $

2.69

1

1.

$3.

75+

3.4

5 +

1.4

1$6

.14

$

5.16

12

. S

ol h

as 2

29 b

aseb

all c

ards

. He

buys

190

mor

e. H

ow m

any

card

s do

es S

ol h

ave?

419

car

ds [

Less

on 1

3.3]

13

. T

here

wer

e 20

6 sh

oppe

rs in

the

mar

ket y

este

rday

. Tod

ay th

ere

are

311

shop

pers

in th

e m

arke

t. R

ound

to th

e ne

ares

t hun

dred

. E

stim

ate

how

man

y to

tal s

hopp

ers

wer

e at

the

mar

ket.

500

sho

pper

s [L

esso

n 13

.5]

Us

e t

he

ta

ble

to

so

lve

.

Lu

nc

h #

1$3

.19

Ad

d j

uic

e$0

.50

Lu

nc

h #

2$3

.49

Ad

d m

ilk

$0.5

0

Lu

nc

h #

3$4

.10

Ad

d o

ran

ge

$0.7

9

14

. Ja

y w

ants

to b

uy L

unch

#2.

He

also

wan

ts to

add

an

oran

ge.

How

muc

h w

ill J

ay’s

lunc

h co

st?

[Les

sons

13.

4, 1

3.6]

$4.2

8

STO

P

13

041_

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5/1

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Mat

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nect

s_C

A_C

RM

_10/

Anc

illia

ry/A

pplic

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n_F

iles/

C13

_...

Answers (Chapter Test Form 2C)C

opyright © M

acmillan/M

cGraw


he McG

raw-H

ill Com

panies, Inc.


P rinter P DF

An

swer

s


pygp

Chapter Resources

Gra

de 2

61

C

hapt

er 1

3

Nam

e

Ch

ap

ter

Te

st,

Fo

rm 2

D

(con

tinue

d)1

3

So

lve

. [L

esso

n 13

.6]

10

. $

1.18

1

1.

$3.

91+

4.3

5 +

2.4

6$5

.53

$

6.37

12

. B

ea r

eads

for

113

min

utes

. Her

bro

ther

rea

ds fo

r 19

5 m

inut

es.

How

man

y m

inut

es d

o th

ey r

ead

in a

ll?30

8 m

inut

es [

Less

on 1

3.3]

13

. Y

este

rday

, 177

stu

dent

s to

ok a

fiel

d tr

ip. T

oday

, 244

stu

dent

s ar

e ta

king

a fi

eld

trip

. Rou

nd to

the

near

est t

en. A

bout

how

m

any

stud

ents

took

fiel

d tr

ips?

42

0 s

tude

nts

[Les

son

13.5

]

Us

e t

he

ta

ble

to

so

lve

.

Sc

ho

ol

Gif

t S

ale

Gif

t #

1$2

.17

Ad

d a

rib

bo

n$0

.25

Gif

t #

2$3

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