Ratios and Equivalent Ratios

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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

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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 do you find equivalent ratios?

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You can find equivalent ratios by multiplying or dividing 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 4 to 8?

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The ratio of 4 to 8 is 1 to 2, which is an equivalent ratio.

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CCSS.6.RP.A.1

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If the ratio of apples to oranges is 3:5, what is the equivalent ratio if both are multiplied by 2?

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The equivalent ratio is 6:10.

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CCSS.6.RP.A.3A

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Are the ratios 2:3 and 4:6 equivalent?

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Yes, 2:3 and 4:6 are equivalent ratios.

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CCSS.6.RP.A.3A

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What is the ratio of STARS to SQUARES if there are 3 STARS and 4 SQUARES?

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The ratio of STARS to SQUARES is 3 to 4.

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CCSS.6.RP.A.1

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If a recipe calls for 2 cups of flour and 3 cups of sugar, what is the ratio of flour to sugar?

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The ratio of flour to sugar is 2:3.

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CCSS.6.RP.A.1

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How can you express the ratio 15:30 in simplest form?

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The simplest form of the ratio 15:30 is 1:2.

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CCSS.6.RP.A.1

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What is the relationship between the ratios 6:9 and 2:3?

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The ratios 6:9 and 2:3 are equivalent because both can be simplified to the same ratio.

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CCSS.6.RP.A.3A