Percents, Decimals, and Fractions

Percents

• Means per hundred

• 50% is 50 per hundred

Fractions

3

2numerator

denominator

Converting from fractions to decimals to percents

• Fraction to decimal– Divide the numerator by the denominator

• Decimal to percent– Multiply by 100 (move the decimal point two places to

the right)• Percent to decimal– Divide by 100 (move the decimal point two places to the

left)• Decimal to fraction– Create a fraction using the place value

Example 1

• Write each number as a percent:

3

220

75

3

Example 2

• Write each number as a decimal and as a fraction:

%360

%2

1

%25

Homework

• P. 762

• 2-42 even