Ratios: Introduction

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 the ratio of butter to flour if there are 1 butter and 4 flour?

Back

1 butter to 4 flour.

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

If there are 5 boys and 7 girls, what is the ratio of girls to boys?

Back

7 to 5.

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

Back

3=4.

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

Simplify the ratio 2:10.

Back

2:1.

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

What does it mean to simplify a ratio?

Back

To express the ratio in its simplest form by dividing both quantities by their greatest common divisor.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

How can ratios be represented?

Back

Ratios can be represented as fractions, with a colon (:) or with the word 'to'.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

If the ratio of cats to dogs is 3:2, how many dogs are there if there are 9 cats?

Back

6 dogs.

Front

What is the ratio of 8 apples to 4 oranges?

Back

2:1.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

If a recipe calls for a ratio of 2:3 of sugar to flour, how much sugar is needed for 6 cups of flour?

Back

4 cups of sugar.