Using Ratios: Word Problems

Front

What is a ratio?

Back

A ratio is a relationship between two quantities, showing how many times one value contains or is contained within the other.

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CCSS.6.RP.A.1

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How do you simplify a ratio?

Back

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

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

Back

The ratio of milk to flour is 2:3.

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CCSS.6.RP.A.1

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Front

In a ratio of boys to girls, if there are 6 boys and 5 girls, how can you express this ratio in simplest form?

Back

The ratio of boys to girls is already in simplest form: 6:5.

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CCSS.6.RP.A.1

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If Carl spends $5 on movies for every $15 on video games, what is the ratio of his spending on movies to video games?

Back

The ratio of spending on movies to video games is 1:3.

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CCSS.6.RP.A.1

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How do you find the missing quantity in a ratio problem?

Back

To find the missing quantity, set up a proportion based on the known ratios and solve for the unknown.

Front

What is the ratio of cookies to cupcakes if there are 4 cookies and 12 cupcakes?

Back

The ratio of cookies to cupcakes is 1:3.

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CCSS.6.RP.A.1

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If there are 21 boys and 6 girls in a class, what is the ratio of girls to boys in simplest form?

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The ratio of girls to boys is 2:7.

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CCSS.6.RP.A.1

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How can you express a ratio as a fraction?

Back

A ratio can be expressed as a fraction by placing the first quantity over the second quantity.

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CCSS.6.RP.A.1

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Front

What does it mean if two ratios are equivalent?

Back

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

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