Ratios, Equivalent Ratios, and Ratio Tables SG

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What is a ratio?

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

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

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How do you write a ratio?

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Ratios can be written in three ways: using a colon (e.g., 3:2), as a fraction (e.g., 3/2), or with the word 'to' (e.g., 3 to 2).

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CCSS.6.RP.A.1

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What are equivalent ratios?

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Equivalent ratios are ratios that express the same relationship between two quantities, even if the numbers are different.

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CCSS.6.RP.A.3A

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How can you determine if two ratios are equivalent?

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Two ratios are equivalent if you can simplify them to the same fraction or if you can cross-multiply and get the same product.

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CCSS.6.RP.A.3A

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What is a ratio table?

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A ratio table is a table that shows equivalent ratios in a structured format, helping to visualize the relationship between quantities.

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If the ratio of boys to girls is 5:7, what is the ratio of girls to boys?

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The ratio of girls to boys is 7:5.

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

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What is the ratio of 4 red apples to 3 green apples?

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The ratio is 4:3.

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CCSS.6.RP.A.1

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If there are 6 muffins for $3, what is the cost per muffin?

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The cost per muffin is $0.50.

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CCSS.6.RP.A.1

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What is the ratio of 4 birds to 6 snakes in simplest form?

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The simplest form of the ratio 4:6 is 2:3.

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

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How do you find a missing value in a ratio table?

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To find a missing value, use equivalent ratios to set up a proportion and solve for the unknown.