Ratios review

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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'.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

How do you simplify a ratio?

Back

To simplify a ratio, divide both terms by their greatest common divisor (GCD).

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

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What does it mean for two ratios to be equivalent?

Back

Two ratios are equivalent if they represent the same relationship between quantities, meaning they can be simplified to the same form.

Tags

CCSS.6.RP.A.3A

Front

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

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The ratio of flour to sugar is 2 to 3.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

How can you express the ratio of circles to total shapes if there are 6 circles and 12 total shapes?

Back

The ratio of circles to total shapes is 6 to 12, which can be simplified to 1 to 2.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

What is the ratio of raisins to peanuts if there are 30 raisins and the ratio is 3 to 5?

Back

If the ratio of raisins to peanuts is 3 to 5, then for 30 raisins, there are 50 peanuts.

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How do you find a missing quantity in a ratio?

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To find a missing quantity in a ratio, set up a proportion and solve for the unknown value.

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What is the ratio of kids who like grape juice to those who like pineapple juice if 30 kids like grape juice and 40 like pineapple juice?

Back

The ratio of kids who like grape juice to those who like pineapple juice is 30 to 40, which simplifies to 3 to 4.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

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If 14 ounces of sweetened condensed milk are needed for every 3 cups of chocolate chips, how many cups are needed for 42 ounces?

Back

For 42 ounces of sweetened condensed milk, 9 cups of chocolate chips are needed.

Tags

CCSS.6.RP.A.3B

Front

What is the first step in solving a ratio problem?

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The first step in solving a ratio problem is to understand the relationship between the quantities involved.