Ratios

What is a mathematical way to compare quantities?

• multiplication

• division

• ratio

• radical

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How can you find equivalent ratios?

• add

• subtract

• divide

• multiply

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What is the ratio of monkeys to bananas?

• 5:4

• 5:9

• 4:9

• 4:5

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What are three ways to write a ratio for the amount of dogs compared to the number of cats.

• 7:11

• 11:7

• 11 to 7

• 11/7

• 12 to 7

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A bag of marbles comes with 3 blue marbles, 2 red marbles, and 5 yellow marbles. What is the ratio of red to yellow?

• 2 to 5
• 5 to 3
• 3 to 5
• 5 to 2

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Kelly has 10 apps on her iPad. 5 are school apps, 2 are music apps, and 3 are games. What is the ratio of school apps to game apps?

• 5 to 2
• 3 to 5
• 5 to 10
• 5 to 3

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To find an equivalent ratio to 2:3 you should

• Add the two numbers

• Multiply or divide both the 2 and the 3 by the same number

• add the same number to both the 2 and the 3

• Leave the 2 alone and multiply the 3 times 2

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Which of the following ratios are equivalent to 16:20?

• 2:3

• 4:5

• 18:22

• 20:25

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Select ALL the ratios that are equivalent to 3:5.

• 5 to 7

• 2:4

• 9:15

• 18/30

• 5:3

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What is a unit rate?

• When the ratio is comparing two different things

• When two ratios are equivalent

• When one of the values of the ratio has a unit of 1

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