Decimals

Adding

100

1.4+9.254

10.654

200

8.3+9+0.74

18.04

300

99.587+120.008

219.595

400

1587+0.62+3.24

1590.86

500

0.03+1.20+496

497.23

Subtracting

100

29.85-13.44

16.41

200

78.02-.0822

77.9378

300

980-2.011

977.989

400

54-16.245

37.755

500

976.45-87.6

888.85

Multiplying

100

2.7x1.8

4.86

200

13.8x3

41.4

300

12.79x45.2

578.108

400

49x3.24

158.76

500

52x9.326

484.952

Dividing

100

0.52 divided by .02

26

200

3.642 divided by .03

115.4

300

100 divided by .25

400

400

999 divided by 2.7

370

500

63.252 divided by 1.05

60.24

Word Problems

100

The temperature inside was 72.4°F. The temperature outside was 25.6°F less. What was the outside temperature?

46.8

200

An ice cream container holds 8.4 pints of ice cream. If a serving size is 0.5 pints, how many servings of ice cream are in the container?

16.8

300

Each flag requires 6.03 square yards of material. How much material would be needed to make 8.5 flags?

51.255

400

The beaker in the lab held some saline solution. Dr. Wu removed 14.396 milliliters from the beaker. The beaker now contains 22.78 milliliters of solution. How much saline solution was in the beaker to start?

37.176

500

Layla was 17.21 inches long when she was born. She is 3.5 times that height now. How many inches tall is Layla now?

60.235