Operations with Decimals

Addition/Subtraction

100

3.42 + 2.4

What is 5.82

200

25.348 + 19.8

What is 45.148

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

0.2 x 1.3

What is .26

200

232 x .93

What is 215.76

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 / 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

Word Problems 1

100

Ryan bought a soda for $1.20 and candy for $3.64 at the store. If he paid with a $20 bill, how much change did he recieve? 

What is $15.16? 

200

Trevor bought 6.4 gallons of gas that cost $4.12 per gallon. How much did Trevor spend on gas? Remember to answer correctly for $.

What is $26.37? 

300

Froyo costs $0.48 per ounce. Sarah bought 9.2 ounces of froyo. How much change did she receive if she paid with a $10 bill? 

What is $5.58? 

400

A board that is 52.2 feet long is to be cut into 6 pieces of equal length. How long will each piece of wood be?

What is 8.7 feet? 

500

A rectangle has a width of 5.3 feet and an area of 32.86 square feet. What is the length of this rectangle?

What is 6.2 ft? 

Word Problems 2

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

A rectangle has a length of 8.6 feet and an area of 122.98 square feet. What is the width of this rectangle?

What is 14.3 feet?