Ratios and Ratio Tables

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What is a ratio?

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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

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How do you write the ratio of red toy cars to all toy cars if there are 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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If there are 5 boys and 7 girls, how do you express the ratio of girls to 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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What is the simplified form of the ratio 35:14?

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The simplified form of the ratio 35:14 is 5:2.

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

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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 ratio.

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CCSS.6.RP.A.3A

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

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Yes, the ratios are equivalent.

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CCSS.6.RP.A.3A

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

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To find the total number of items, add the parts of the ratio together.

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What is the ratio of coaches to players if there are 10 players and 3 coaches?

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The ratio of coaches to players is 3:10.

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

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How can you express the ratio of 5 apples to 10 oranges?

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The ratio of 5 apples to 10 oranges can be simplified to 1:2.

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

What is the first step to simplify a ratio?

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The first step to simplify a ratio is to divide both parts of the ratio by their greatest common divisor (GCD).

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CCSS.6.RP.A.1

CCSS.6.RP.A.2