Chapter 4 Test Review

Decimals <—>fractions

100

Change 0.6 into a fraction

6/10

200

Change 3/4 into a decimal

0.75

300

Change 142.006 into a fraction

142 6/1000

400

Change 12.625 into a fraction

12 625/1000

500

Change 6 15/16 into a decimal

6.9375

Add/ subtract decimals

100

2.67 + 6.54

9.21

200

4.7 - 3.5 

1.2

300

2.854 + 34.67

37.524

400

20 - 3.54

16.46

500

13.22 - 22.11

-8.89

Multiply decimals

100

9 x 6.7

60.3

200

1.2 x 1.2 

1.44

300

2.43 x 4.3

10.449

400

14.8 x 9.32

137.936

500

0.042 x 12.4

0.5208

Divide Decimals

100

0.8 ÷ 0.2 

4

200

4.5 ÷ 1.2 

3.75

300

4.5 ÷ 5.78

0.779

400

0.469 ÷ 0.032

14.656

500

9.025 ÷ 2.5 

3.61

Simplify Expressions and Solve Equations

100

2.3y - 1.5y

0.8y

200

3.8v + 3.4 - 2.98v

0.82v + 3.4

300

3.4 x 12.9 - 10.4 x 1.8

25.14

400

7.98m = 9.87

1.237

500

14.8 - 4.5c = 19.6 - 6.4c

2.526 or 2.53