Ratio and Unit Rate Review

Front

What is a ratio?

Back

A ratio is a comparison of two quantities that shows the relative size of one quantity to another, often expressed as 'a:b'.

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

How do you calculate a unit rate?

Back

To calculate a unit rate, divide the quantity by the number of units. 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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CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

What is the unit rate of 408 words in 4 minutes?

Back

102 words per minute.

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

If Ilana made $45 for 6 hours of babysitting, how much does she make per hour?

Back

$7.50 per hour.

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

What is the ratio of 2 dogs to 3 cats?

Back

2:3.

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CCSS.6.RP.A.2

CCSS.6.RP.A.1

Front

How do you find the missing number in a ratio table?

Back

Identify the relationship between the known quantities and use multiplication or division to find the missing value.

Front

What is the unit rate of 12 miles in 3 hours?

Back

4 miles per hour.

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CCSS.6.RP.A.2

CCSS.6.RP.A.1

Front

If a recipe calls for 2 cups of flour for every 3 cups of sugar, what is the ratio of flour to sugar?

Back

2:3.

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

What does it mean if a unit rate is greater than another?

Back

It means that the first quantity is more efficient or faster than the second quantity.

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CCSS.6.RP.A.3A

Front

How can you express a ratio as a fraction?

Back

A ratio of a:b can be expressed as the fraction a/b.

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CCSS.6.RP.A.1

CCSS.6.RP.A.2