Unit Rates and Proportions

Front

What is a unit rate?

Back

A unit rate is a rate that compares a quantity to one.

Front

How do you calculate the unit rate if you earn $60 for 8 hours of work?

Back

$60 ÷ 8 hours = $7.50 per hour.

Front

True or False: The price is always the numerator when finding the unit cost.

Back

True.

Front

What do you need to find to compare two or more unit rates?

Back

You need to find the unit rate of each.

Front

What is a rate?

Back

A rate is a ratio of two quantities using different units.

Front

If you travel 150 miles in 3 hours, what is your unit rate in miles per hour?

Back

150 miles ÷ 3 hours = 50 miles per hour.

Front

What is the unit rate of 12 apples for $3?

Back

$3 ÷ 12 apples = $0.25 per apple.

Front

How do you express a unit rate?

Back

A unit rate is expressed as a quantity per one unit of another quantity.

Front

What is the unit rate of 45 minutes for 3 games?

Back

45 minutes ÷ 3 games = 15 minutes per game.

Front

If a car travels 240 miles on 8 gallons of gas, what is the unit rate in miles per gallon?

Back

240 miles ÷ 8 gallons = 30 miles per gallon.