Powers of 10
Adding
Decimals
Subtracting
Decimals
Multiplying
Decimals
Dividing
Decimals
200

12.1 ÷ 100

0.121

200

21.74 + 8.27

30.01

200

851.701 - 312.49

539.211

200

0.12 × 7

0.84

200

30.9 ÷ 3 

10.3

400

9.563 × 10

95.63

400

5.2 + 3.11

8.31

400

10.71 - 0.7

10.01

400

4.4 × 5.3

23.32

400

74.3 ÷ 2

37.15

600

52.1 × 1,000

52,100

600

6.125 + 18.472

24.597

600

54.6 - 3.17

51.43

600

1.83 × 0.3

0.549

600

442.8 ÷ 15

29.52

800

0.321 × 100

32.1

800

17 + 9.54

26.54

800

9.034 - 0.095

8.939

800

12.7 × 2.6

33.02

800

20.9 ÷ 0.4 

52.25

1000

598 ÷ 100

5.98

1000

4.67 + 29.1

33.77

1000

1.72 - 0.8

0.92

1000

12.6 x 3.4

42.84

1000

5 ÷ 0.16

31.25

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