Ratio/Unit Rates/Equivalent Ratios

Front

What is a Ratio?

Back

A ratio is a comparison of two quantities.

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

What is a Unit Rate?

Back

A unit rate is a rate with a denominator of one.

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

Simplify the ratio 35 : 14.

Back

5 : 2

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

Are the ratios 3 : 10 and 9 : 20 equivalent?

Back

No

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CCSS.6.RP.A.3A

Front

If it snowed 14 inches in 5 hours, what is the unit rate of snowfall per hour?

Back

2.8 inches per hour.

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

What does it mean for two ratios to be equivalent?

Back

Two ratios are equivalent if they represent the same relationship between quantities.

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CCSS.6.RP.A.3A

Front

How do you find a unit rate from a total amount?

Back

Divide the total amount by the number of units.

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

What is the unit rate if 12 apples cost $3?

Back

$0.25 per apple.

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

If a car travels 150 miles in 3 hours, what is the unit rate of speed?

Back

50 miles per hour.

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

What is the simplified form of the ratio 8 : 12?

Back

2 : 3

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CCSS.6.RP.A.1

CCSS.6.RP.A.2