Ratios & Equivalent Ratios

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What is a ratio?

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A ratio is a comparison of two quantities by division, 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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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 numbers, 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 simplify a ratio?

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

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CCSS.6.RP.A.1

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What is the ratio of 8 to 12 in simplest form?

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The simplest form of the ratio 8 to 12 is 2 to 3.

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CCSS.6.RP.A.1

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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.

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CCSS.6.RP.A.1

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How can you find an equivalent ratio?

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To find an equivalent ratio, multiply or divide both terms of the ratio by the same non-zero number.

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CCSS.6.RP.A.3A

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What is the ratio of 5 to 10 in simplest form?

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The simplest form of the ratio 5 to 10 is 1 to 2.

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CCSS.6.RP.A.1

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If there are 4 apples and 6 oranges, what is the ratio of apples to oranges?

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The ratio of apples to oranges is 2 to 3.

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CCSS.6.RP.A.1

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How do you write the ratio of 3 stars to 4 squares?

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The ratio of 3 stars to 4 squares is written as 3 to 4.

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CCSS.6.RP.A.1

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What is the first step to solve a problem involving ratios?

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

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CCSS.6.RP.A.1

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