Fractions to Percents
Decimals to Percents
Percents to Decimals
Ratios
Random Ratios
100

Fractions to Percents 

2/100

2%

100

Decimals to Percents 

0.49

49%

100

Percents to Decimals 

98%

0.98

100

Use the given model to form your ratio in all ways-

***** $$$

$ - ALL

3 to 8

3 : 8

3 / 8

100

Reduce the ratio

12 : 18

2 : 3

12/6 = 2

18/6 = 3

200

Fractions to Percents  

18/50

36%

200

Decimals to Percents 

0.04

4%

200

Percents to Decimals 

8%

0.08

200

Use the given model to form your ratios in all ways

+ + + + + + + +        P P P P

ALL - +

3 to 2

3 : 2

3 / 2

Ratios should be reduced to lowest terms

200

Are these ratios equivalent? How do you know?

8 : 9 = 64 : 70

No,

8 x 8 = 64

9 x 8 = 72

300

Fractions to Percents 

9/20

45%

300

Decimals to Percents 

0.625

62.5%

300

Percents to Decimals 

320%

3.2

300

Use the given model to form your ratios in all ways

* * * * *      P P P P

P - *

4 to 5

4 : 5

300

Are these ratios equivalent? How do you know?


6 : 5  =   24 : 20

Yes

6 x 4 = 24

5 x 4 = 20

400

Fractions to Percents 

7/8

87.5%

400

Decimals to Percents 

0.0087

.87%

400

Percents to Decimals 

.024%

.00024

400

Use the model to identify the type of ratio 

U U U U U    O O 

U - O

Part to Part

400

Identify the error 

2/3 = 0.06 = 66.6%

The decimal is incorrect.  (0.06)

2/3 = 0.666 = 66.6%

500

Fractions to Percents 

3/15

20%

500

Decimals to Percents 

0.bar3

33.bar3%

500

Percents to Decimals 

43.5%

.435

500

Use the given model to identify the type of ratio

U U U  P P P P P 

P - ALL

Part to Whole ratio 

500

Why can't you write a part to part ratio with a fraction?

Fractions are only part to whole.