Unit Rates and Proportions

Front

What is a unit rate?

Back

A unit rate is a rate that compares a quantity to one.

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

How do you calculate the unit rate if you earn $60 for 8 hours of work?

Back

$60 ÷ 8 hours = $7.50 per hour.

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

True or False: The price is always the numerator when finding the unit cost.

Back

True.

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

What do you need to find to compare two or more unit rates?

Back

You need to find the unit rate of each.

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CCSS.7.RP.A.1

Front

What is a rate?

Back

A rate is a ratio of two quantities using different units.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

If you travel 150 miles in 3 hours, what is your unit rate in miles per hour?

Back

150 miles ÷ 3 hours = 50 miles per hour.

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

What is the unit rate of 12 apples for $3?

Back

$3 ÷ 12 apples = $0.25 per apple.

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

How do you express a unit rate?

Back

A unit rate is expressed as a quantity per one unit of another quantity.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

What is the unit rate of 45 minutes for 3 games?

Back

45 minutes ÷ 3 games = 15 minutes per game.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

If a car travels 240 miles on 8 gallons of gas, what is the unit rate in miles per gallon?

Back

240 miles ÷ 8 gallons = 30 miles per gallon.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2