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

1289.3 - 47.627

What is 1241.673

Multiplication

100

0.2 x 1.3

What is .26

200

23.2 x 100

What is 2,320

300

.2039 x 3.4

What is .69326

400

1.4783 x 4.38

What is 6.474954

500

12.376 x 234.1

What is 2897.2216

Division

100

4.55 / 5

What is .91

200

0.63 / 1000

What is .00063

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 28.8 and 12

What is 2.4

400

The difference between 38.376 and 4.3

What is 34.076

500

The quotient of 3.6090 and 6

What is .6015

Problem Solving

100

A blueberry pie has 30.6 grams of sugar. If it is cut into 6 slices, how many grams of sugar 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 went to the store and looked at the price of gas. On Tuesday the price per gallon was $2.71. On Wednesday the price of gas decreased by $0.62. If he bought 9 gallons on Wednesday, how much idid he pay? 

What is $18.81