Unit Rates

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What is a unit rate?

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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 you buy 5 apples for $10, the unit rate is $2 per apple.

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How do you calculate a unit rate?

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To calculate a unit rate, divide the total quantity of one item by the total quantity of another item. For example, if you travel 60 miles in 2 hours, the unit rate is 60 miles ÷ 2 hours = 30 miles per hour.

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If you spend $40 on 5 pounds of concrete, what is the unit rate in dollars per pound?

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$8 per pound.

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If you pay $15.00 for 6 gallons of gasoline, what is the price per gallon?

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$2.50 per gallon.

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Jack jumps 40 times in 4 minutes. How many times does he jump per minute?

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10 times per minute.

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If Justin can type 408 words in 4 minutes, how many words can he type per minute?

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102 words per minute.

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Elijah earns $200 for 8 hours of work. What is the unit rate in dollars per hour?

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$25 per hour.

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What is the formula for finding the unit rate?

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Unit Rate = Total Quantity of Item A ÷ Total Quantity of Item B.

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Why is understanding unit rates important?

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Understanding unit rates helps in making comparisons and informed decisions in real-life situations, such as shopping, cooking, and budgeting.

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What is an example of a unit rate in cooking?

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If a recipe requires 3 cups of flour for 12 cookies, the unit rate is 0.25 cups of flour per cookie.