Ratio/Unit Rates/Equivalent Ratios

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What is a ratio?

Back

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 simplify a ratio?

Back

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

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

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What is a unit rate?

Back

A unit rate is a ratio that compares a quantity to one unit of another quantity, often expressed as 'x per 1 unit'.

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

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How do you find a unit rate?

Back

To find a unit rate, divide the first quantity by the second quantity to get the value for one unit.

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

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What is an equivalent ratio?

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Equivalent ratios are two or more ratios that express the same relationship between quantities.

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CCSS.6.RP.A.3A

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How can you find equivalent ratios?

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You can find equivalent ratios by multiplying or dividing both terms of a 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 35 to 14 in simplest form?

Back

5:2

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

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Express the ratio of 18 ounces to 3 cups as a fraction in simplest form.

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6 to 1

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

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If there are 4 red apples and 3 green apples, what is the ratio of red to green apples?

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4:3

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

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In a bag with 3 blue marbles, 2 red marbles, and 5 yellow marbles, what is the ratio of red to yellow marbles?

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2:5

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CCSS.6.RP.A.1

CCSS.6.RP.A.2