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

54.93 + 92.9

What is 147.83

500

128.36 - 47

What is 81.36

Multiplication

100

0.2 x 1.3

What is .26

200

232 x .93

What is 215.76

300

2.39 x 1.4

What is 3.346

400

1.47 x 4.35

What is 6.3945

500

12.37 x 24.1

What is 298.117

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

98.05 / 2.5

What is 39.22

Vocabulary

100

What is a quotient

The answer to a division problem.

200

What is a sum?

The answer to an addition problem.

300

What is the answer to a multiplication problem called?

A product

400

What is the answer to a subtraction problem called?

The difference

500

What is a divisor?

The number we divide the dividend by. The second number in the equation.

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 $82.50

500

Judy sold popcorn at a concession stand for $0.65. If she made $138.45 by the end of the day, how many bags of popcorn did she sell?

She sold 213 bags of popcorn.