Operations with Decimals

Addition/Subtraction

100

3.4 + 2.4

What is 5.8

200

25.348 + 19.832

What is 45.18

300

19.729 - 4.32

What is 15.409

400

5439.3298 + 2.39

What is 5441.7198

500

1289.36 - 47.627

What is 1241.733

Multiplication

100

24 x 1.3

What is 31.2

200

42 x .93

What is 39.06

300

20.39 x 3.4

What is 69.326

400

78.3 x 4.38

What is 342.954

500

6.348 x 159

What is 1009.332

Division

100

4.55 / 5

What is .91

200

0.63 / 7

What is .09

300

12 / .04

What is 300

400

1.896 /.08

What is 23.7

500

98.02 / 2.9

What is 33.8

Vocabulary

100

The product of 12.3 and 2

What is 24.6

200

The sum of 3.45 and 8.2

What is 11.65

300

The quotient of 12 and 28.8

What is 2.4

400

The difference between 38.376 and 4.3

What is 34.076

500

The quotient of 6 and 3.6090

What is .6015

Problem Solving

100

A blueberry pie has 30.6 grams of fat. If it is cut into 6 slices, how many grams of fat are in 1 slice?

What is 5.1 grams

200

The temperature of the ocean was 67.3 degrees at dawn. By noon, it had increased by 8.6 degrees. What was the temperature at noon?

What is 75.9 degrees.

300

Todd ran 5 laps in 28.5 minutes. If he ran each lap at the same pace, how long did it take him to run one full lap?

What is 5.7 minutes.

400

Maria received $15 an hour for raking leaves. If she raked for 5.5 hours, how much was she paid?

What is $77.50

500

Juan invested some money in the stock market. On Tuesday the value of one share was $28.71. On Wednesday the stock lost $4.27. If he owns 9 shares, how much is his stock worth on Wednesday?

What is $219.96