Rounding
Addition
Subtraction
Word Problems
100

Round the number to the nearest 10 thousand.

59,847

60,000

100

Add.

    5,432

+    234

__________

5,666.

100

Subtract.

   4,625

-    435

_______

4,190

100

Draw a tape diagram, and then solve the problem.

On Saturday night, 23,748 people attended the concert. On Sunday, 7,570 more people attended the concert than on Saturday. How many people attended the concert on Sunday? 

31,318 people attended the concert on Sunday.

200
Round the following number to the nearest 10 thousand and thousand.


82,734

80,000

83,000

200

Add. 

    23,607

+   2,432

_________

26,039

200

Subtract

  97,684 

- 49, 700

________

47,984

200

The office supply closet had 25,473 large paper clips, 13,648 medium paper clips, and 15,306 small paper clips? How many paper clips were in the closet? 

Draw a tape diagram, and write a sentence. 

54,427 paper clips were in the closet. 

300

Round the following number to the nearest hundred thousand, ten thousand, and thousand.

462,987

500,000

460,000

463,000

300

Add.

25,983 + 2,097 =

Put your problem in vertical form before you solve. 

28,080

300

Subtract.

  431,925

- 204,815

__________


227,110

300

What must be added to 1,575 to result in a sum of 8,625? 

Draw a tape diagram and write a math sentence.

7,050 + 1,575 = 8,625

400

Round the following number to the nearest ten thousand, hundred thousand, and million. 

8,752,357

8,750,000

8,800,000

9,000,000

400

Add.

  544,811

+356,445

__________

901,256

400

1,324,060 - 231,117 =

Set your problem up in vertical form and show your work.

1,092,943

400
A theater holds a total of 2,013 chairs. 197 chairs are in the VIP section. How many chairs are not in the VIP section? 


Draw a tape diagram and write a sentence.

1,816 chairs are not in the VIP section. 

500

Round: to the nearest ten thousand, hundred thousand, and million.

Nine million seven hundred twenty seven thousand, six hundred twelve. 

Put the number in standard form.

9,727,612.

9,730,000

9,700,000

10,000,000

500

Add.

   1,234,567

+ 3,891,345

___________

5,125,912

500

Subtract.

   5,002,324

- 1,631,324

__________

3,371,000