Solving Ratio/Proportion Problems - Practice #4

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.

Tags

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 total students to boys in a class with 12 girls and 16 boys?

Back

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

What does it mean for two quantities to be in proportion?

Back

Two quantities are in proportion if they have a constant ratio or relationship.

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CCSS.7.RP.A.2A

Front

How do you find the missing value in a proportion?

Back

Cross-multiply the known values and solve for the unknown value.

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CCSS.7.RP.A.2B

Front

What is the formula for finding a ratio?

Back

The formula for finding a ratio is: Ratio = Part / Whole.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

If the ratio of boys to girls is 4:3, how many boys are there if there are 21 girls?

Back

If the ratio is 4:3, then for every 3 girls, there are 4 boys. Therefore, there are 28 boys.

Front

What is the simplest form of the ratio 12:16?

Back

The simplest form of the ratio 12:16 is 3:4.

Tags

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.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

What is a part-to-part ratio?

Back

A part-to-part ratio compares one part of a whole to another part of the same whole.

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CCSS.6.RP.A.1

CCSS.6.RP.A.2