Unit Rate, Ratio Tables, and Equivalent Ratios MC

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 one unit. For example, if you can buy 5 apples for $10, the unit rate is $2 per apple.

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How do you calculate the unit rate?

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To calculate the unit rate, divide the total quantity by the number of units. For example, if you have 408 words typed in 4 minutes, the unit rate is 408 ÷ 4 = 102 words per minute.

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What is a ratio table?

Back

A ratio table is a table that displays pairs of numbers that form a ratio. It helps to visualize the relationship between two quantities.

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What does it mean for a table to be proportional?

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A table is proportional if the ratios of the quantities in the table are equivalent. This means that as one quantity increases, the other quantity increases at a constant rate.

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How can you determine if two ratios are equivalent?

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Two ratios are equivalent if they can be simplified to the same fraction. For example, 2/4 and 1/2 are equivalent ratios.

Front

If Mrs. Shelly paid $4 for 5 muffins, what is the unit rate per muffin?

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The unit rate is $4 ÷ 5 muffins = $0.80 per muffin.

Front

If Justin can type 408 words in 4 minutes, how many words can he type in 1 minute?

Back

Justin can type 102 words per minute.

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What is the unit rate if you spend $40 on 5 pounds of concrete?

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The unit rate is $40 ÷ 5 pounds = $8 per pound.

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If a store sees 120 customers in 8 hours, what is the unit rate in customers per hour?

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The unit rate is 120 ÷ 8 = 15 customers per hour.

Front

What is the formula for finding a unit rate?

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The formula for finding a unit rate is: Unit Rate = Total Quantity ÷ Number of Units.