Adding
subtracting
multiply
divide
rounding decimals
100
0.2+1.7

1.9

100

78.3-1.2

77.1

100

1.2*2.5

3

100

2.3/0.4

8

100

round to the nearest tenths

3.724

3.7

200

2.92+3.52

6.44

200

12.78-0.3

12.48

200

6.3*3.1

19.53

200

24/0.3

80

200

Round to the nearest tenths 

1.319

1.3

300

-98.25+5.3

-92.95

300

568.39-26.3

542.09

300

63*2.5

157.7

300

68.2/4.9

13.91836735

300

Round to the nearest hundredths

6.3792

4.38

400

67.67+69.69

137.36

400

63-0.58

62.42

400

85.6*788.36

67483.616

400

95.5/2.8

34.10714286

400

Round to the nearest hundredths

6.2710

6.27

500

137.55+642.50

780.05

500

785.659-(-2.394)

788.053

500

785.3*(-2.665)

-2092.8245

500

145.13/75

19.3566667

500

Round to t he nearest ten-thousandths

2.179283

2.1793

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