Decimal Review

Adding Decimals

100

Add the decimals:   

8.10  +  -9.10

-1

200

Add the decimals:  

-2.80  +  0.13

-2.67

300

Add the decimals: 

-0.041 + -9.300

-9.341

400

Add the decimals:  

3.546 + 8.514

12.060

500

Add the decimals: 

7.290 + 6.586

13.876

Subtracting Decimals

100

Subtract the decimals:   

8.5 - (-7.4)

15.9

200

Subtract the decimals:  

-9.8 - 2.6

-12.4

300

Subtract the decimals:  

-5.80 - 0.76

-6.56

400

Subtract the decimals:

0.760 - 0.068

0.692

500

Subtract the decimals:

0.390 - 0.097

0.293

Multiplying Decimals

100

Multiply the decimals: 

13 x -8.3

-107.9

200

Multiply the decimals: 

-52 x -2.4

124.8

300

Multiply the decimals:

-8.9 x 89

-792.1

400

Multiply the decimals:

57.9 x 59.7

3456.63

500

Multiply the decimals:

-146 x 5.63

-821.98

Wild Decimals

100

Add the decimals:

0.55 + 0.61

1.16

200

Subtract the decimals:

6.800 - 0.910

5.890

300

Multiply the decimals:

6.94 x 816

5663.04

400

Divide the decimals:

112.2 / 17

6.6

500

Divide the decimals:

1,617 / 21

77

Word Problems

100

Samantha bought 2 shirts for $23.15 each. She also bought 3 pairs of jeans for $42.00 each. How much did she spend on clothes?

$172.30

200

A dose of medicine is 1.5 mL. How many doses are in a bottle with 90mL?

60mL

300

If a 10-foot piece of electrical tape has 0.037 feet cut from it, then what is the new length of the tape?

9.963ft

400

A serving of orange juice is 6.5 ounces. How many servings are in a 195 ounce bottle?

30oz

500

Sherri bought 2 bottles of shampoo for $9.15 each. She also bought 3 bottles of conditioner for $7 each. How much did she spend on hair products?

$39.30