Decimals

Adding

100

4.6 + 9.6

14.2

200

6.7 + 9.3

16

300

89.45 + 64.4

153.85

400

908.6 + 657.5

1566.1

500

1567.987 + 5672.453

7240.44

Multiplying

100

8.9 x 4.5

40.05

200

8.5 x 9.5

80.75

300

5.9 x 3.1

18.29

400

16.7 x 32.4

541.08

500

78.9 x 56.7

4473.63

Rounding nearest tenth

100

1.56

1.6

200

6.987

7

300

46.56

46.6

400

34.567

34.6

500

236.345

236.3

Rounding nearest hundredth

100

2.957

2.96

200

8.568

8.57

300

47.356

47.36

400

800.013

800.01

500

678.345

678.34

Rounding nearest thousandth

100

0.6528

0.653

200

9.6543

9.654

300

89.6723

89.672

400

345.8240

345.824

500

789.9994

789.999