Adding, Subtracting, and Multiplying Decimals

Subtraction

100

105.7 - 35.9

69.8

200

47.1 -19.2

27.9

300

101.99 - 2.02

99.97

400

976.24 - 37.408

938.832

500

101010.0101 - 1010.1010

99999.9091

Addition

100

62.7 + 10.2

72.9

200

101.99 + .99

102.98

300

9876.54 + 32.10

9908.64

400

30.921 + 601.2

632.121

500

.9098 + .999

1.9088

Multiplying -Decimals by a Whole Number

100

.67 x 10

6.7

200

15.7 x 20

314

300

211.98 x 2

423.96

400

352.002 x 15

5280.03

500

.0987 x 50

4.935

Multiplying- Decimal by Decimal

100

16.9 x .02

.338

200

35.1 x 5

175.5

300

34.71 x 20

694.2

400

239.234 x 60

14,354.04

500

100.6 x 50

5,030

Random

100

99.9 - 8.88

11.1

200

72 x 2.5

180

300

623.01 + .023

623.033

400

23.5 + 98.05

121.55

500

.0123 x 9

1.107