Ratios & Equivalent Ratios

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What is a ratio?

Back

A ratio is a comparison of two quantities that shows the relative size of one quantity to another.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

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How do you write a ratio?

Back

Ratios can be written in three ways: using a colon (e.g., 3:2), the word 'to' (e.g., 3 to 2), or as a fraction (e.g., 3/2).

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

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What is an equivalent ratio?

Back

Equivalent ratios are ratios that express the same relationship between two quantities, even if the numbers are different.

Tags

CCSS.6.RP.A.3A

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If the ratio of chocolate chips to flour is 2:3, how many cups of chocolate chips are there if there are 6 cups of flour?

Back

4 cups of chocolate chips.

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What is the ratio of blue to red Jolly Ranchers if there are 15 blue and 20 red?

Back

The ratio is 3:4.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

Which of the following ratios is equivalent to 5:4? (Choose one) 10:8, 15:12, 25:20, 4:5

Back

25:20.

Tags

CCSS.6.RP.A.3A

Front

If a recipe calls for 4 cups of sugar and 6 cups of flour, what is the ratio of sugar to flour?

Back

The ratio is 2:3.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

How can you find an equivalent ratio?

Back

You can find an equivalent ratio by multiplying or dividing both terms of the ratio by the same non-zero number.

Tags

CCSS.6.RP.A.3A

Front

What is the missing value in the ratio table if the ratio is 3:4 and the first term is 9?

Back

The missing value is 12.

Front

If the ratio of boys to girls in a class is 2:3 and there are 10 boys, how many girls are there?

Back

There are 15 girls.