Unit Rate

Front

What is a unit rate?

Back

A unit rate is a comparison of two different quantities where one of the quantities is expressed as a quantity of one. For example, if a car travels 60 miles in 1 hour, the unit rate is 60 miles per hour.

Front

How do you calculate a unit rate?

Back

To calculate a unit rate, divide the quantity of one item by the quantity of another item. For example, if you have 42 gallons of water used in 7 minutes, the unit rate is 42 ÷ 7 = 6 gallons per minute.

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If a recipe requires 3 cups of flour for 12 cookies, what is the unit rate of flour per cookie?

Back

The unit rate is 3 cups ÷ 12 cookies = 0.25 cups of flour per cookie.

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What is the unit cost if you buy 15 pizzas for $97.50?

Back

The unit cost is $97.50 ÷ 15 pizzas = $6.50 per pizza.

Front

If a car drives 78 miles using 3 gallons of gas, what is the miles per gallon?

Back

The miles per gallon is 78 miles ÷ 3 gallons = 26 miles per gallon.

Front

You score 84 points in 6 games. How many points do you score per game?

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You score 84 ÷ 6 = 14 points per game.

Front

Which operation do you use to find a unit rate?

Back

Division is used to find a unit rate.

Front

If a person runs 10 miles in 2 hours, what is their speed in miles per hour?

Back

The speed is 10 miles ÷ 2 hours = 5 miles per hour.

Front

What is the unit rate of $12 for 4 items?

Back

The unit rate is $12 ÷ 4 items = $3 per item.

Front

If a car travels 150 miles on 5 gallons of gas, what is the fuel efficiency in miles per gallon?

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The fuel efficiency is 150 miles ÷ 5 gallons = 30 miles per gallon.