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What is a ratio?

Back

A ratio is a comparison of two quantities, showing 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

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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

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What is the ratio of apples to bananas if there are 10 apples and 6 bananas?

Back

10:6, which simplifies to 5:3.

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

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If there are 6 yellow LEGOS and 3 red LEGOS, what is the ratio of red to yellow in simplest form?

Back

1:2.

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

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What is the ratio of butter to flour if there are 1 part butter and 4 parts flour?

Back

1:4.

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

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How do you express a ratio in fraction form?

Back

A ratio can be expressed as a fraction by placing the first quantity over the second quantity.

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CCSS.6.RP.A.1

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What is the ratio of green beans to peas if there are 31 green beans and 13 peas?

Back

31:13.

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

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If a pet shop has 2 dogs, 4 cats, and 5 hamsters, what is the ratio of dogs to all pets?

Back

2:11.

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

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What does it mean if a ratio is in simplest form?

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A ratio is in simplest form when the two numbers have no common factors other than 1.

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CCSS.6.RP.A.3A

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How can you find the total number of parts in a ratio?

Back

Add the numbers in the ratio together.

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CCSS.6.RP.A.1

CCSS.6.RP.A.2