Simplifying 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

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 simplest form of the ratio 16:40?

Back

2:5

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

What is the simplest form of the ratio 30:50?

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3:5

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

If a class has 15 boys and 20 girls, what is the boy:girl ratio in simplest form?

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3:4

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

What is the simplest form of the ratio 20:45?

Back

4:9

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

How do you express a ratio as a fraction?

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

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

What is the ratio of 24 players to 3 teams in simplest form?

Back

8/1

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

What does it mean for a ratio to be in simplest form?

Back

A ratio is in simplest form when the two numbers have no common factors other than 1.

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CCSS.6.RP.A.3A

Front

What is the GCD of 16 and 40?

Back

The GCD of 16 and 40 is 8.