Rates and Unit Rates

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

What is an equivalent ratio?

Back

An equivalent ratio is a ratio that expresses the same relationship between quantities, such as 2:4 and 1:2.

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CCSS.6.RP.A.3A

Front

How do you find the unit rate from a total cost?

Back

To find the unit rate, divide the total cost by the number of units.

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

If you have 4 red apples and 3 green apples, what is the ratio of red apples to green apples?

Back

4 red apples to 3 green apples.

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

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

Back

$8 per pound.

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

What is the relationship between rates and unit rates?

Back

Both rates and unit rates compare two different quantities of information.

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CCSS.6.RP.A.3A

Front

What is an example of a rate?

Back

An example of a rate is 60 miles per hour.

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

What does it mean if two ratios are equivalent?

Back

It means they represent the same relationship between quantities.

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CCSS.6.RP.A.3A

Front

How can you express the ratio of 10 to 5 in simplest form?

Back

The simplest form of the ratio 10 to 5 is 2 to 1.

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CCSS.6.RP.A.1

CCSS.6.RP.A.2