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Rounding
Adding
Subtracting
Multiplying
Dividing
100

758 to the nearest ten.

760

100

621+341=

962

100

678-124=

554

100

62x10=

620

100

81/9=

9

200

8,743 to the nearest hundred.

8,700

200

5,172+4,239=

9,411

200

827-689=

138

200

75x4=

300

200

468/6=

78

300

3,924 to the nearest thousand.

4,000

300

78,143+42,873=

121,016

300

9,137-5,248=

3,889

300

83x49=

4,067

300

873/4=

218 r1

400

15,172 to the nearest ten thousand.

20,000

400

645,489+676,767=

1,322,256

400

45,678-39,187=

6,491

400

49x99=

4,851

400

5,803/7=

829

500

728,356 to the nearest hundred thousand.

700,000

500

333,333+999,999=

1,333,332

500

573,941-386,952=

186,989

500

673x497=

334,481

500

7,654/9=

850 r4