Unit Rates

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 150 miles in 3 hours, the unit rate is 50 miles per hour.

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How do you calculate the unit rate?

Back

To calculate the unit rate, divide the first quantity by the second quantity. For example, if you have 60 cupcakes sold in 5 hours, the unit rate is 60 ÷ 5 = 12 cupcakes per hour.

Front

What is the average speed of a car that travels 150 miles in 3 hours?

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60 mph (miles per hour). This is calculated by dividing 150 miles by 3 hours.

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If it costs $46.80 to fill a 13-gallon gas tank, what is the price of gas per gallon?

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$3.60 per gallon. This is calculated by dividing $46.80 by 13 gallons.

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Ilana made $45 babysitting for 6 hours. How much does she make per hour?

Back

$7.50 per hour. This is calculated by dividing $45 by 6 hours.

Front

What is the unit cost per pizza if 15 pizzas cost $97.50?

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$6.50 per pizza. This is calculated by dividing $97.50 by 15 pizzas.

Front

A bakery sold 60 cupcakes in 5 hours. What is the rate of cupcakes sold per hour?

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12 cupcakes per hour. This is calculated by dividing 60 cupcakes by 5 hours.

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What is the formula for calculating unit rates?

Back

Unit Rate = Total Quantity / Number of Units.

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Why are unit rates important in real life?

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Unit rates help compare prices, speeds, and other quantities, making it easier to make informed decisions.

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What is an example of a unit rate in everyday life?

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An example is the price of a gallon of milk, which might be $3.50 per gallon.