Addition
Subtraction
Rounding
Multiplication
Decimals
100

3,276 + 6,185

9,461

100

3,920 - 2,219

1,701

100

6,355 rounded to the nearest 10

6,360

100

8 × 6 =

48

100

0.57 + 0.42

0.99

200

2,808 + 1,084

3,892

200

5,195 - 1,849

3,346

200

677 rounded to the nearest 100

700

200

7 × 7 =

49

200

0.67 + 0.05

0.72

300

9,229 + 8,580 

17,809

300

427,495 - 49,787

377,708

300

5,580 rounded to the nearest 100

5,600

300

6 × 9 =

54

300

0.34 + 0.68

1.02

400

5,792 + 9,951

15,743

400

49,000 - 9,880

39,120

400

6,681 rounded to the nearest thousand

7,000

400

12 × 3 =

36

400

9.2 - 0.3

8.9

500

7,903 + 1,148

9,051

500

93,000 - 4,101

88,899

500

448 rounded to the nearest thousand

0

500

10 × 11 =

110

500

0.73 - 0.46

0.27

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