Rates and Unit Rate

Front

What is a rate?

Back

A rate is a ratio that compares quantities with different units.

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

How do you calculate the unit rate?

Back

To find the unit rate, divide the total quantity by the number of units.

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

If a cashier rings up 2 customers in 8 minutes, how many customers can he ring up in 30 minutes?

Back

7.5 customers

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CCSS.6.RP.A.3B

Front

What is the unit rate if you spend $40 on 5 pounds of concrete?

Back

$8 per pound

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

If Antonia can type 408 words in 4 minutes, how many words can she type per minute?

Back

102 words per minute

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

What is the formula for calculating a rate?

Back

Rate = Quantity 1 / Quantity 2.

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

If a car travels 130 miles in 2 hours, what is its speed in miles per hour?

Back

65 miles per hour

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

What does it mean if a rate is expressed as 'miles per hour'?

Back

It means the distance traveled in miles for every hour of travel.

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

How do you convert a rate to a unit rate?

Back

Divide the numerator by the denominator to express it per one unit.

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

If you can paint 3 rooms in 6 hours, what is the rate of rooms painted per hour?

Back

0.5 rooms per hour

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CCSS.6.RP.A.1

CCSS.6.RP.A.2