Adding
Subtracting
Multiplying
Dividing
Powers of 10
100

2.3 + 4.9

7.2

100

6.8 - 2.4

4.4

100

3.5 x 2

7

100

4.6 ÷ 2

2.3

100

4.3 x 10

43

200

1.02 + 8.3

9.32

200

13.67 - 9.28

4.39

200

0.04 x 6

0.24

200

12.3 ÷ 3

4.1

200

65.8 ÷ 100

0.658

300

0.05 + 42.7

42.75

300

2.6 - 0.03

2.57

300

8.02 x 6

48.12

300

0.37 ÷ 2

0.185

300

0.0374 x 1,000

37.4

400

9 + 0.04

9.04

400

1.02 - 0.07

0.95

400

6.3 x 12

75.6

400

47.25 ÷ 7

Round answer to nearest tenth

6.75

400

2.14 ÷ 100

0.0214

500

32.01 + 19

51.01

500

17.31 - 9

8.31

500

56.12 x 4

224.48

500

5.6 ÷ 9 

Round answer to the nearest hundredth

0.62

500

3.006 x 10^2

300.6

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