Fraction Decimal Percent and Percent of

Decimal-Percent

100

.26

26%

200

.065

6% OR 6.5%

300

.875

87% OR 87.5%

400

1.63

163%

500

What is the general rule for converting a decimal into a percent?

Times by 100

Percent-Decimal

100

55%

.55

200

34.7%

.347

300

3%

0.03

400

150%

1.5

500

What is the general rule for converting a percent into a decimal?

Divide by 100

Fraction-Decimal

100

3/4

.75

200

3/5

0.66

300

1/100

0.01

400

20/100

.2

500

When in doubt, what is a general rule for converting a fraction into a decimal?

Divide top by bottom

Decimal-Fraction

100

0.1

1/10  or 10/100

200

.13

13/100

300

.85

17/20  or 85/100

400

.04

4/100

500

What is a general rule for converting a decimal into a fraction?

Times by 100, then show over 100

Percent <--> Fraction

100

30%

3/10 or 30/100

200

50%

1/2 or 50/100

300

15%

3/20  or 15/100

400

17%

17/100

500

89%

89/100