Ratios (6th Grade)

Front

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.2

CCSS.6.RP.A.1

Front

How do you simplify a ratio?

Back

To simplify a ratio, divide both terms of the ratio 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 red marbles to yellow marbles if there are 2 red and 5 yellow?

Back

The ratio of red to yellow marbles is 2:5.

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

If a bag contains 6 yellow, 3 red, and 8 blue LEGOs, what is the total number of LEGOs?

Back

The total number of LEGOs is 6 + 3 + 8 = 17.

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CCSS.2.OA.A.1

Front

What is the ratio of red LEGOs to all LEGOs in simplest form if there are 3 red LEGOs?

Back

The ratio of red LEGOs to all LEGOs is 3/17.

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

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 the ratio of music apps to total apps if there are 2 music apps and 10 total apps?

Back

The ratio of music apps to total apps is 2:10, which simplifies to 1:5.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

What is the total number of dogs if there are 44 collies and 56 poodles?

Back

The total number of dogs is 44 + 56 = 100.

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CCSS.2.NBT.B.5

CCSS.1.NBT.C.4

Front

What is the ratio of poodles to total dogs if there are 56 poodles?

Back

The ratio of poodles to total dogs is 56:100.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

How do you find the ratio of two quantities?

Back

To find the ratio of two quantities, divide each quantity by the other to express their relationship.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2