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

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How do you express a ratio as a fraction?

Back

To express a ratio as a fraction, write the first quantity as the numerator and the second quantity as the denominator.

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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'.

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

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How do you find the unit price?

Back

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

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

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What is an equivalent ratio?

Back

Equivalent ratios are two or more ratios that represent the same relationship between numbers.

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CCSS.6.RP.A.3A

Front

Simplify the ratio 12:16.

Back

The simplified ratio is 3:4.

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

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

Back

The ratio of flour to sugar is 2:3.

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

What is the ratio of 5 apples to 10 oranges in simplest form?

Back

The simplest form of the ratio is 1:2.

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

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How do you compare two ratios?

Back

To compare two ratios, convert them to fractions and find a common denominator or cross-multiply.

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CCSS.6.RP.A.3A

Front

What is the ratio of red marbles to total marbles if there are 2 red, 3 blue, and 5 yellow marbles?

Back

The ratio of red marbles to total marbles is 2:10 or 1:5.

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CCSS.6.RP.A.1

CCSS.6.RP.A.2