Summary: Writing Ratios and Calculating Rates

• Ratios
• Write Ratios as a Simplified Fractions Involving Decimals and Fractions
• Write a Ratio as a Simplified Fraction
• Rates and Unit Rates
• Unit Rate for Cell Phone Plan

Glossary

ratio

A ratio compares two numbers or two quantities that are measured with the same unit. The ratio of $a$ to $b$ is written $a$ to $b$ , $\frac{a}{b}$ , or $a:b$ .

rate

A rate compares two quantities of different units. A rate is usually written as a fraction.

unit rate

A unit rate is a rate with denominator of 1 unit.

unit price

A unit price is a unit rate that gives the price of one item.

Licenses & Attributions