Ratio/Unit Rates/Equivalent Ratios

Front

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

Front

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 'per 1'.

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

How do you find the unit rate from a total distance and time?

Back

To find the unit rate, divide the total distance by the total time.

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CCSS.7.RP.A.1

Front

If a car travels 440 miles in 8 hours, what is the unit rate?

Back

55 miles in 1 hour.

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

What is an equivalent ratio?

Back

An equivalent ratio is a ratio that expresses the same relationship between two quantities, even if the numbers are different.

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CCSS.6.RP.A.3A

Front

How can you determine if two ratios are equivalent?

Back

Two ratios are equivalent if they can be simplified to the same fraction.

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CCSS.6.RP.A.3A

Front

If Ms. Scott paid $3 for 6 muffins and Ms. Constantine paid $9 for 18 muffins, are their prices equivalent?

Back

Yes, equivalent.

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CCSS.6.RP.A.3A

Front

What is the equivalent ratio of 5:7?

Back

25:35.

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CCSS.6.RP.A.3A

Front

What is the process to find an equivalent ratio?

Back

Multiply or divide both terms of the ratio by the same non-zero number.

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CCSS.6.RP.A.3A

Front

What is the unit rate of snowfall if it snowed 14 inches in 5 hours?

Back

2.8 inches per hour.

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CCSS.6.RP.A.1

CCSS.6.RP.A.2