Percents, Fractions, and

Decimals

Lesson 6-6

Vocabulary

• A percent is a ratio that compares a number to 100. It means “per 100.”

• 49 out of 100 is 49%.

Writing Percents as Decimals• Imagine a decimal point in the place of

the percent sign, and move the decimal two spaces to the left (the same as dividing by 100).

26% .26

40% .40 .47% .07

Writing Percents as Fractions• Place the percent in a fraction with a

denominator of 100.• Simplify the fraction.

26% 26100

1350

75%75

10034

Writing Decimals as Percents• Move the decimal point two spaces to

the right, and add a % symbol (this is the same as multiplying by 100).

.34 34%

.19 19%

.125 12.5%.6 60%

1 100%

Writing Fractions as Percents• Divide the numerator by the

denominator to get a decimal.

• Change the decimal to a percent by moving the decimal point to the right (multiply by 100).

625 0.24 24%

Homework Time

Do your own problems and check with your teacher when you get to class.