Ratios, Rates, & Unit Rate

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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

Front

What is a rate?

Back

A rate is a specific kind of ratio that compares two different units, such as miles per hour or dollars per pound.

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CCSS.6.RP.A.1

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What is a unit rate?

Back

A unit rate is a rate in which the second quantity is one unit, such as 60 miles per hour or $3 per pound.

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

If Justin can type 408 words in 4 minutes, how many words can he type per minute?

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102 words per minute.

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

What is the simplified form of the ratio 34:26?

Back

2:5.

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

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What is the missing number in the sequence: 3, 6, ?, 12?

Back

9.

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CCSS.2.NBT.A.2

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Simplify the ratio of 20 to 25.

Back

4 to 5.

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CCSS.6.RP.A.2

CCSS.6.RP.A.1

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Will spent $3.75 for 3 pounds of granola. What is his unit rate in dollars per pound?

Back

$1.25 per pound.

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

What does it mean to find a unit rate?

Back

Finding a unit rate means determining how much of one quantity corresponds to one unit of another quantity.

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CCSS.6.RP.A.1

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