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©Curriculum Associates, LLC Copying is not permitted.20 Lesson 3 Add and Subtract Whole Numbers

Solve.

3 Alice drove 235 miles on Saturday. On Sunday, she drove 68 more miles than on Saturday. How many miles did Alice drive altogether on Saturday and Sunday?

Show your work.

Solution:

4 Kayla solved a subtraction problem. She wrote 490 2 185 5 675. Explain what Kayla did wrong and correctly solve the problem.

Show your work.

Solution:

5 Ryan has 96 business cards. He buys 225 more cards. He hands out 248 cards at a conference. How many cards does Ryan have left?

Show your work.

Solution:

6 Write each digit in the correct box below. Use each digit only once.

0 1 2 3 4 5 6 7 8 9

2 u 9

2 1 u 0

1 4 9

6 7 u1 u 3 1

1 6 0 5

3 u 2

1 u 5 u 4 5 8

u 1 u2 u 9

7 5 3

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2020 Lesson 3Lesson 320

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Possible student work:235 1 68 5 303 303 miles on Sunday235 1 303 5 538

Possible student work: 490 400 1 80 1 10 400 2 100 5 300 – 185 100 1 80 1 5 80 2 80 5 0 305 10 2 5 5 5

Possible student work:96 1 225 5 321321 2 248 5 73

538 miles

Kayla added instead of subtracting. The difference is 305.

73 cards

7 4 0 8 2

3 9 1 6 5

©Curriculum Associates, LLC Copying is not permitted. 19Lesson 3 Add and Subtract Whole Numbers

Name:

Prerequisite: Add and Subtract Three-Digit Numbers

Study the example showing how to subtract by breaking apart and combining numbers. Then solve problems 1–6.

1 Show how to use place value to subtract 947 2 586.

2 Show how to use place value to add 354 1 271.

Example

Solve 852 2 623.

Use place value to write each number 852 5 800 1 50 1 2 oras hundreds, tens, and ones. 800 1 40 1 12 623 5 600 1 20 1 3

Subtract hundreds. 800 2 600 5 200Subtract tens. 40 2 20 5 20Subtract ones. 12 2 3 5 9

Combine the differences. 200 1 20 1 9 5 229 852 2 623 5 229

Add and Subtract Whole Numbers

Lesson 3

1919 Add and Subtract Whole Numbers Add and Subtract Whole Numbers 19

B

B947 5 900 1 40 1 7 or 800 1 140 1 7586 5 500 1 80 1 6

800 2 500 5 300 140 2 80 5 60 7 2 6 5 1300 1 60 1 1 5 361 so 947 2 586 5 361

354 5 300 1 50 1 4

271 5 200 1 70 1 1500 1 120 1 5 or 625

354 1 271 5 625

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Solve.

3 Last summer, Mia’s family drove 1,024 miles from Grand Canyon National Park to Mount Rushmore National Memorial. Then they drove 1,389 miles from Mount Rushmore to Yosemite National Park. How many miles did they drive in all?

Show your work.

Solution: ___________________________________

4 Use the tiles to create a number that makes each addition problem true. You may use a tile more than once.

1 2 3 4 5

1 1 1+ ,

3 , 3 6 5

5 On Monday, Calvin ran 4,250 meters. On Tuesday, he ran 4,980 meters. How many meters did he run altogether on Monday and Tuesday?

Show your work.

Solution: ___________________________________

6 Sam added 6,152 and 379 and got a sum of 9,942. Explain why Sam’s addition is incorrect and fi nd the sum of 6,152 1 379.

5 , 3 1 9+ ,

9 , 8 4 0

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111,024

1 1,3892,413

1 14,250

1 4,9809,230

116,152

1 3796,531

2,413 miles

9,230 meters

Answers will vary. Possible answer: Sam did not line up the numbers by

place value. The sum is 6,531.

3 2 5 4 4 5 2 1


Name: Name: Name: Lesson 3

Add Whole Numbers

Study the example showing how to use addition to solve a word problem. Then solve problems 1–6.

1 Show two ways to add 7,315 1 1,890.

2 Find the sum.

1,0251 4,589

Example

On Friday, 1,150 people saw the school play. On Saturday, 987 people saw the play. How many people saw the play on those two days?

1,1501 987

7130

1,0001 1,000

2,137

2,137 people saw the play.

0 ones 1 7 ones 5 7 ones 5 tens 1 8 tens 5 13 tens or 1 hundred 3 tens 1 hundred 1 9 hundred 5 10 hundreds or 1 thousand 1 thousand 1 0 thousand 5 1 thousand

1 1

1,1501 987

2,137


M

B7,315

1 1,8905

1001,100

1 8,0009,205

5 ones 1 0 ones 5 5 ones 1 ten 1 9 tens 5 10 tens or 1 hundred 3 hundreds 1 8 hundreds 5 11 hundreds or 1 thousand 1 hundred 7 thousands 1 1 thousand 5 8 thousands

11

5,614

1 17,315

1 1,8909,205

Possible student work shown. Students might also use place value to add.

1

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Solve.

3 The table below shows the number of seats in two basketball arenas. How many more seats does Arthur Arena have than Griffi n Fieldhouse?

Number of SeatsGriffin Fieldhouse 22,826

Arthur Arena 44,750

Show your work.

Solution: ___________________________________

4 A city has a population of 289,000 people. Ten years ago, the population was 259,500 people. How many more people does the city have now?

Solution: ___________________________________

5 Use the tiles below to create a number that makes each subtraction problem true. You may use a tile more than once.

1 2 3 4 5

6 5 , 9 0 02 ,

6 4 , 5 7 5

6 Peter listed his car for sale at $21,550. After a week, he dropped the sale price by $1,650. When the car sold, the sale price was another $1,955 less. What was the fi nal sale price of the car?

Show your work.

Solution: ___________________________________

8 7 , 0 0 52 ,

6 1 , 8 6 2

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The final sale price was $17,945.

21,550 2 1,650 5 19,90019,900 2 1,955 5 17,945

3 17 4 1044,750

2 22,82621,924

21,924 more seats

29,500 more people

1 3 2 5 2 5 1 4 3


Name: Name: Name: Lesson 3

Subtract Whole Numbers

Study the example showing how to use subtraction to solve a word problem. Then solve problems 1–6.

1 Subtract.

3,0082 1,265

2 Find the difference.

1,6402 952

Example

In one day, Pete took 7,192 steps. Joe took 5,210 steps. How many more steps did Pete take than Joe?

Regroup.

Thousands Hundreds Tens Ones7 1 9 2

6 10 1 1 5 11 9 2

Subtract.

Thousands Hundreds Tens Ones6 11 9 2

5 2 1 0

1 9 8 2

Pete took 1,982 more steps than Joe.

6 11

7,1922 5,210

1,982

–


B

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1,743

688

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Solve.

4 Use the information below to fi ll in the missing data in the table.

The height of Willis Tower is 325 feet less than the height of One World Trade Center.

The height of Trump Tower is 139 feet more than the height of the Empire State Building.

The height of Bank of America Tower is 576 feet less than the height of One World Trade Center.

Five Tallest Buildings in the U.S.Rank Name Location Height (ft)

1 One World Trade Center New York City 1,776

2 Willis Tower Chicago

3 Trump Tower Chicago

4 Empire State Building New York City 1,250

5 Bank of America Tower New York City

5 Use the information in the table below to answer the riddle. Write the the missing data in the table.

I am the tallest building in the world. If you add my height to the height of the next three tallest buildings, the total is 8,132 feet. How tall am I?

Four Tallest Buildings in the WorldRank Name Location Height (ft)

1 Burj Khalifa United Arab Emirates

2 Makkah Royal Clock Tower Saudi Arabia 1,972

3 One World Trade Center New York City 1,776

4 Taipei 101 Taipei, Taiwan 1,667

Show your work.

How do you know when to add and when to subtract?

What operation do you need to do first?


M

M

Possible work: 1,972 1 1,776 1 1,667 5 5,4158,132 2 5,415 5 2,717

1,4511,389

1,200

2,717


Name:

3 Tell whether each number sentence is True or False.

a. 908 1 1,725 5 2,633 u True u False

b. 17,625 2 2,460 5 5,245 u True u False

c. 112,950 1 32,408 5 45,358 u True u False

d. 43,900 2 17,825 5 26,075 u True u False

2 A school’s goal is to raise $5,000 to donate to charity. The school has raised $2,157. How much more money does the school need to raise?

A $2,843 C $2,953

B $7,157 D $3,843

Sonya chose C as the correct answer. How did she get that answer?

1 Jake has 1,326 songs on his music player. Kyle has 795 more songs than Jake. How many songs does Kyle have?

A 2,021 C 2,121

B 631 D 531

Add and Subtract Whole Numbers

Solve the problems.

Name: Name: Lesson 3

Do you add or subtract to solve this problem?

What do you need to do before you can subtract ones?

What symbols tell you whether to add or subtract?


M

M

B

333

3

Answers will vary. Possible answer: She

regrouped the tens and hundreds incorrectly.

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m prerequisite: add and subtract three-digit...

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