Decimal Computation

Adding/Subtracting

100

3.53 + 56.225

What is 59.755?

200

97.35 - 89.36

What is 7.99?

300

39 + 93.43

What is 132.43?

400

16.934 + 36.443 + 25.493+ 44.147

What is 123.017?

500

84 - 6.523

What is 77.477?

Multiplication

100

4.3 x 4

What is 17.2?

200

3.6 x 9.2

What is 33.12?

300

35.4 x .13

What is 4.602?

400

38.2 x 5.5

What is 210.1?

500

3.34 x 9.5

What is 31.73

Division

100

8.24 divided by 2

What is 4.12?

200

42.5 divided by 5

What is 8.5?

300

42.78 divided by 6

What is 7.13

400

58.4 divided by 8

What is 7.3?

500

45.6 divided by 12

What is 3.8?

Word Problems

100

Jenny bought 3 magazines for $2.99 each. How much money did she spend?

What is $8.97?

200

Emily walked 4.2 miles on Monday and 3.17 miles on Tuesday. How many miles did she walk in all?

What is 7.37 miles?

300

Adam bought 4 pairs of jeans for $22.50 each. If he paid with $100.00, how much change did he get back?

What is $10.00?

400

Janet walked 3.17 miles on Tuesday. On Thursday she walked 2.534 miles. How many more miles did she walk on Tuesday?

What is 0.636?

500

Clay ran 4.2 miles on Monday, 8.17 miles Tuesday, and 3 miles Wednesday. How many miles did he run altogether?

What is 15.37 miles?

Division by a decimal

100

School lunches cost $224.75 for 15.5 weeks. About how much would the lunches cost per week?

What is $14.50 per week?

200

A school track team member ran for a total of 166.6 miles in practice over 59.5 days. About how many miles did he average per day?

What is 2.8 miles per day?

300

If I have 27.9 meters of rope and I need 1.7 meters to make a necklace.  How many necklaces can I make?

What is 16?

400

What is 56.97 divided by 3.2 rounded to the nearest hundreths.

What is 17.80?

500

What is the missing number- 2, 4, 8, 16, ___, 64

What is 32?