Ratios and Proportions

Front

What is a Ratio?

Back

A ratio is a comparison of two quantities.

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Front

What is the price per gallon if 4 gallons of gasoline cost $16.80?

Back

$4.20 per gallon.

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Front

What is the ratio of total players to boys if a baseball team has 16 girls and 8 boys?

Back

24/8.

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Front

Simplify the ratio 12:3.

Back

4:1.

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Front

Do the ratios 2:4 and 1:2 form a proportion?

Back

Yes, they form a proportion.

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Front

What is a proportion?

Back

A proportion is an equation that states that two ratios are equal.

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CCSS.7.RP.A.2A

Front

If 3 apples cost $1.50, what is the cost of 1 apple?

Back

$0.50 per apple.

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Front

What is the ratio of 10 to 5?

Back

2:1.

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Front

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

Back

2:3.

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CCSS.6.RP.A.1

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Front

What does it mean to simplify a ratio?

Back

To simplify a ratio means to reduce it to its lowest terms.

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