Basic Ratios

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

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How can ratios be written?

Back

Ratios can be written in three ways: as a fraction (a/b), with a colon (a:b), or with the word 'to' (a to b).

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

What is the ratio of circles to squares if there are 6 circles and 3 squares?

Back

6:3

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

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If a bag contains 3 blue marbles, 2 red marbles, and 5 yellow marbles, what is the ratio of red to yellow marbles?

Back

2:5

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

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

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Ella has 5 balloons and Taylor has 7 balloons. What is the ratio of Ella's balloons to Taylor's balloons?

Back

5:7

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

What is the simplest form of the ratio 6:3?

Back

2:1

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

If there are 9 dogs and 3 cats, what is the ratio of dogs to cats?

Back

3:1

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

How do you find the ratio of two quantities?

Back

To find the ratio, divide each quantity by the greatest common divisor.

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

What does it mean if a ratio is 1:1?

Back

A 1:1 ratio means that the two quantities are equal.

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CCSS.6.RP.A.1

CCSS.6.RP.A.2