Solve by rounding to the nearest hundred. Show your work.

[Pages:2]5?1

Name

Date

Solve by rounding to the nearest hundred.

1. On Friday, 718 people went to the school play. On Saturday, 822 people went. About how many people saw the play altogether?

Show your work.

2. So far, Ms. Sahid has read 177 pages of her 392-page book. About how many pages does she have left to read?

3. This year, the three biggest pumpkins at the Giant Pumpkin contest weighed 558 pounds, 644 pounds, and 715 pounds. About how much did the three pumpkins weigh together?

Round each number to the nearest hundred.

4. 352

5. 620

7. 539

8. 1,014

6. 298 9. 769

Use rounding to decide if the answer is reasonable. Then find the answer to see if you were right.

10. 24 + 107 = 217

11. 512 - 479 = 33

12. 485 - 312 = 362

13. 1,201 + 179 = 1,380

14. 175 + 216 = 261

15. 712 - 392 = 320

UNIT 5 LESSON 1

Round to the Nearest Hundred 71

5?1

Name

Date

Solve by rounding to the nearest hundred.

1. On Friday, 718 people went to the school play. On Saturday, 822 people went. About how many people saw the play altogether? about 1,500 people

2. So far, Ms. Sahid has read 177 pages of her 392-page book. About how many pages does she have left to read? about 200 pages

3. This year, the three biggest pumpkins at the Giant Pumpkin contest weighed 558 pounds, 644 pounds, and 715 pounds. About how much did the three pumpkins weigh together? about 1,900 pounds

Show your work.

Round each number to the nearest hundred.

4. 352 400

5. 620 600

7. 539 500

8. 1,014 1,000

6. 298 300 9. 769 800

Use rounding to decide if the answer is reasonable. Then find the answer to see if you were right.

10. 24 + 107 = 217

11. 512 - 479 = 33

not reasonable; 131

reasonable; 33

12. 485 - 312 = 362 not reasonable; 173

13. 1,201 + 179 = 1,380 reasonable; 1,380

14. 175 + 216 = 261 not reasonable; 391

15. 712 - 392 = 320 reasonable; 320

UNIT 5 LESSON 1

Round to the Nearest Hundred 71

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