Ratios and Rates

Front

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:b'.

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

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 speed (miles per hour) or price per item.

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

If 4 apples cost $2, what is the cost of 1 apple?

Back

$0.50

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

What is the ratio of 3 red marbles to 5 blue marbles?

Back

3:5

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

If 10 pencils cost $5, how much do 25 pencils cost?

Back

$12.50

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CCSS.6.RP.A.3B

Front

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

Back

30 miles per hour.

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

If 8 oranges cost $4, what is the cost of 12 oranges?

Back

$6.

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CCSS.6.RP.A.3B

Front

What is the ratio of 7 cats to 3 dogs?

Back

7:3

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

If 15 cookies cost $3, how much do 45 cookies cost?

Back

$9.

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CCSS.6.RP.A.3B