Operations with Decimals

Addition/Subtraction

100

3.48 + 9

What is 12.48

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 - 47.627

What is 1241.373

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

1.473 x 4.2

What is 6.1866

500

43.2 x 8.13

What is 351.216

Division

100

4.55 / 5

What is .91

200

0.63 / 7

What is .09

300

Daily Double 600 Point Question:

12 / .04

What is 300

400

1.896 /.08

What is 23.7

500

98.02 / 2.9

What is 33.8

Rounding, Vocab, and Word Problems

100

Round to the nearest hundredths

19.235

19.24

200

Round to the nearest thousandths

439.3282

What is 439.328

300

What do you call a decimal that ends?

Terminating

400

A total of 7.825 inches of snow falls during a storm. The snow falls at an average rate of 2.5 inches per hour. For how many hours does the snow fall?

3.13

500

1000 Point Questions - Daily Double

East High School has a total of 12,510 people in attendance during its 15-game soccer season. West High School has a total of 14,310 people for 18 games. On average, which school has a greater number of people watching per game? How much greater?

East High - 834

West High School - 795

East High by 39 students per game

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 $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