Rates and Ratios

Front

What is a ratio?

Back

A ratio is a comparison of two quantities that shows how many times one value contains or is contained within the other.

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

How do you simplify a ratio?

Back

To simplify a ratio, divide both terms by their greatest common divisor (GCD).

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

What is the ratio of 4 triangles to 12 squares?

Back

1 : 3

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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 comparison of two different quantities when they are combined together, expressed as a quantity per one unit of another quantity.

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CCSS.6.RP.A.1

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Front

If a pasta costs $2.60 for 20 ounces, what is the unit rate?

Back

$0.13 per ounce.

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

What is the ratio of wins to losses if a team has 11 wins and 1 loss?

Back

11 : 1

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CCSS.6.RP.A.1

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Front

How do you express a ratio in simplest form?

Back

Divide both parts of the ratio by the same number until you cannot divide anymore.

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CCSS.6.RP.A.1

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Front

What is the ratio of red apples to green apples if there are 4 red apples and 3 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 rate of change in a table if the change in y is 3 and the change in x is 1?

Back

3.

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CCSS.HSF-LE.A.1B

Front

What does it mean if a ratio is expressed as 1:3?

Back

It means for every 1 of the first quantity, there are 3 of the second quantity.

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CCSS.6.RP.A.1

CCSS.6.RP.A.2