Ratios and Ratio Tables

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What is a ratio?

Back

A ratio is a comparison of two quantities by division, expressing how much of one quantity exists in relation to another.

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

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How do you simplify a ratio?

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

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CCSS.6.RP.A.2

CCSS.6.RP.A.1

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What does it mean for two ratios to be equivalent?

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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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CCSS.6.RP.A.3A

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How do you write a ratio in different forms?

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A ratio can be expressed in three forms: as a fraction (e.g., 3/5), with a colon (e.g., 3:5), or in words (e.g., '3 to 5').

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

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What is a ratio table?

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A ratio table is a table that displays pairs of numbers that form equivalent ratios, helping to visualize the relationship between quantities.

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How can you find missing values in a ratio table?

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To find missing values in a ratio table, use equivalent ratios and cross-multiply or set up a proportion.

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What is the ratio of girls to boys if there are 7 girls and 5 boys?

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The ratio of girls to boys is 7 to 5.

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

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If Mrs. Shelly paid $3 for 6 muffins and Mrs. Kloske paid $9 for 18 muffins, are these prices equivalent?

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Yes, the prices are equivalent because both represent the same cost per muffin.

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How do you express the ratio of red toy cars to all toy cars if Patrick has 2 black, 3 red, and 5 white toy cars?

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The ratio of red toy cars to all toy cars is 3:10.

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

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What is the first step in solving a ratio problem?

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The first step is to identify the quantities being compared and express them as a ratio.

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CCSS.6.RP.A.1

CCSS.6.RP.A.2