Using Ratios: Word Problems

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: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 does it mean to express a ratio in simplest form?

Back

Expressing a ratio in simplest form means reducing it to the smallest whole numbers that maintain the same relationship.

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

If there are 42 people in 2 rows, how many people are in 1 row?

Back

21 people in 1 row.

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CCSS.3.OA.A.3

Front

What is the ratio of wins to losses if a team has 16 wins and 12 losses?

Back

The ratio of wins to losses is 4:3.

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

If Carl spends $5 on movies for every $15 on video games, how much does he spend on movies if he spends $60 on video games?

Back

$20.

Front

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

Back

Multiply the number of items in one part of the ratio by the total number of parts.

Front

If Tyler scored 22 home runs in 7 games, how many home runs would he score in 21 games?

Back

66 home runs.

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CCSS.6.RP.A.3B

Front

What is the ratio of cookies to cupcakes if there are 4 cookies and 12 cupcakes?

Back

1:3.

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

How do you set up a proportion to solve a ratio problem?

Back

Set up a fraction for each ratio and cross-multiply to find the unknown.