Rounding
Powers of 10
Adding and subtracting decimals
Multiplying and dividing decimals
100

16 rounded to the nearest Ten

20

100

8 x 10

80

100

34 + 72

106

100

3 x 0.2

0.6

200

3.54 rounded to the nearest tenth

3.5

200

0.8 x 10

8

200

0.3 + 0.82=

1.12

200

5 x 0.7

3.5

300

23.44 rounded to the nearest tenth

23.4

300

37 x 100

3,700

300

85.703 + 12.197

97.900

300

7 x 3.12

21.84

400

873.754 rounded to the nearest hundredths 

873.75

400

321÷ 100

3.21
400

60.91 - 2.856

58.054

400

4.236 ÷ 3

1.412

500

For open international competition, the throwing circle in the men's shot put must have a diameter of 2.135 meters. Round this number to the nearest hundredth

2.14

500

3.3÷ 100

0.033

500

361.31 - 2.841

358.469

500

1.324÷ 2

0.662

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