Introduction to Ratios

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What is a ratio?

Back

A ratio is a way to compare two or more quantities by division, showing how many times one value contains or is contained within the other.

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How can a ratio be expressed?

Back

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If there are 5 boys and 7 girls, what is the ratio of girls to boys?

Back

7 to 5

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In a fruit basket, if there are 9 bananas and 4 apples, what is the ratio of bananas to apples?

Back

9:4

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Front

True or False: Ratios can only compare two values.

Back

False. Ratios can compare two or more values.

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What is the ratio of 10 soccer players to 3 coaches?

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3:10

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

Back

2:3

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What does it mean if a ratio is simplified?

Back

Simplifying a ratio means reducing it to its smallest whole number form while maintaining the same relationship between the quantities.

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If the ratio of cats to dogs is 4:5, how many cats are there if there are 20 dogs?

Back

16 cats (4/5 = x/20, so x = 16).

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What is the ratio of 12 red marbles to 8 blue marbles?

Back

3:2 (simplified from 12:8).

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