writing 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, often expressed as 'a to b' or 'a:b'.

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

How do you write a ratio in simplest form?

Back

To write a ratio in simplest form, divide both terms of the ratio 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 boys to girls if there are 13 boys and 10 girls?

Back

13 to 10

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

If there are 3 bananas for every 2 apples, how is this ratio expressed?

Back

3:2

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

How do you find the total number of items in a ratio?

Back

Add the parts of the ratio together. For example, in the ratio 3:2, the total is 3 + 2 = 5.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

What is the ratio of pears to all fruit if there are 4 apples, 2 bananas, and 5 pears?

Back

5:11

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

If there are 5 pairs of pants and 11 shirts, what is the ratio of pants to shirts?

Back

5:11

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

How do you express a ratio of red LEGOS to yellow LEGOS if there are 3 red and 6 yellow?

Back

1:2 (simplified from 3:6).

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

What does it mean if a ratio is expressed as 1:4?

Back

It means for every 1 of the first quantity, there are 4 of the second quantity.

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

How can you compare two ratios?

Back

You can compare two ratios by cross-multiplying or finding a common denominator.

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CCSS.6.RP.A.3A