Unit Rate, Ratio Tables, and Equivalent Ratios MC

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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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CCSS.6.RP.A.1

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How do you calculate the unit rate?

Back

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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CCSS.6.RP.A.1

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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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CCSS.7.RP.A.2A

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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.

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CCSS.6.RP.A.3A

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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.

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

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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CCSS.6.RP.A.1

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

Back

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

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CCSS.6.RP.A.1

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

Back

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

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CCSS.6.RP.A.1

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What is the formula for finding a unit rate?

Back

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

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CCSS.6.RP.A.1

CCSS.6.RP.A.2