Ratios/Ratio Tables

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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:b'.

Tags

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 a ratio table?

Back

A ratio table is a tool used to organize pairs of numbers that form equivalent ratios.

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If a recipe calls for 2 cups of flour to 3 cups of sugar, what is the ratio of flour to sugar?

Back

The ratio of flour to sugar is 2:3.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

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How can you find an unknown in a ratio?

Back

You can find an unknown in a ratio by setting up a proportion and solving for the missing value.

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What is the ratio of 4 red balls to 6 blue balls?

Back

The ratio of red balls to blue balls is 2:3 when simplified.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

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If Luz earns $400 for 40 hours of work, how much does she earn per hour?

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Luz earns $10 per hour.

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

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How many tablets of iodine are needed for 4 quarts of water if 2 tablets are needed for 1 quart?

Back

You need 8 tablets for 4 quarts.

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CCSS.6.RP.A.3B

Front

What is the ratio of triangles to squares if there are 4 triangles and 3 squares?

Back

The ratio of triangles to squares is 4:3.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

If the ratio of red circles to blue stars is 7:4, how many blue stars are there if there are 21 red circles?

Back

There are 12 blue stars.