Ratios 6th grade

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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 to b' or '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 the ratio of 3 to 5 expressed in simplest form?

Back

3:5 (it is already in simplest form).

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

If you have a ratio of 2:3, how many total parts are there?

Back

5 parts (2 + 3 = 5).

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

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

Back

The ratio is 2:5.

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

How do you find the total number of items in a ratio?

Back

Add the parts of the ratio together.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

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What is the ratio of cupcakes to cookies if there are 10 cupcakes and 60 cookies?

Back

The ratio is 1:6.

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

How do you express a ratio in simplest form?

Back

Divide both numbers in the ratio by their GCD.

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

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

Back

The ratio is 2:3.

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

What is the ratio of pears to all fruit if there are 5 pears, 4 apples, and 2 bananas?

Back

The ratio is 5:11.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2