Ratios and Rates

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What is a ratio?

Back

A ratio is a comparison of two quantities, showing the relative size of one quantity to another.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

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How do you express a ratio?

Back

A ratio can be expressed in three ways: as a fraction, with a colon (e.g., 3:5), or with the word 'to' (e.g., 3 to 5).

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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 rate where the denominator is 1, indicating how much of one quantity corresponds to one unit of another quantity.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

If the ratio of tenants to cars is 3:5 and there are 30 tenants, how many cars are there?

Back

There are 50 cars.

Front

What is a rate?

Back

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

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

How do you calculate the number of students per class if there are 88 students and 4 classes?

Back

Divide the total number of students (88) by the number of classes (4) to get 22 students per class.

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CCSS.3.OA.A.2

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What is the difference between a ratio and a rate?

Back

A ratio compares two quantities of the same kind, while a rate compares two quantities of different kinds.

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CCSS.6.RP.A.3A

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If a recipe calls for 2 cups of flour for every 3 cups of sugar, what is the ratio of flour to sugar?

Back

The ratio of flour to sugar is 2:3.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

How can you simplify the ratio 8:12?

Back

You can simplify the ratio 8:12 by dividing both numbers by their greatest common divisor, which is 4, resulting in 2:3.

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

What is the formula for calculating a rate?

Back

The formula for calculating a rate is: Rate = Quantity 1 / Quantity 2.

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CCSS.6.RP.A.1

CCSS.6.RP.A.2