Ratio/Unit Rates/Equivalent Ratios

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What is a ratio?

Back

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 simplify a ratio?

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To simplify a ratio, divide both terms by their greatest common factor (GCF).

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CCSS.6.RP.A.1

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What is an equivalent ratio?

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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 express a ratio as a fraction?

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To express a ratio as a fraction, write the first quantity as the numerator and the second quantity as the denominator.

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CCSS.6.RP.A.1

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What is a unit rate?

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A unit rate is a ratio that compares a quantity to one unit of another quantity, often expressed as 'per'.

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

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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 2:3.

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

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How can you find a missing value in a ratio?

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You can find a missing value in a ratio by setting up a proportion and solving for the unknown.

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What is the unit rate of 60 miles in 2 hours?

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The unit rate is 30 miles per hour.

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

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If 5 apples cost $2, what is the cost per apple?

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The cost per apple is $0.40.

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CCSS.6.RP.A.1

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Which of the following ratios is equivalent to 4:6? (Options: 2:3, 3:4, 4:8)

Back

2:3 is equivalent to 4:6.

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CCSS.6.RP.A.3A