Introduction to Ratio

In a fruit basket, there are 9 bananas, 4 apples, and 3 plums. What is the ratio of bananas to apples?

• 3:4

• 9:4

• 4:9

• 4:3

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What is the ratio of dogs to cats?

• 3 to 4

• 4 to 3

• 3 to 7

• 7 to 3

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3 ways to write a ratio is.....

• read, write, demonstration

• to solve

• using to, using a colon, and as a fraction

• very important

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How many different ways can you write a ratio

• 1

• 2

• 3

• 4

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Ella has 5 balloons. Taylor has 7 balloons. Write the ratio of Ella's balloons to Taylor's balloons.

• 7:5

• 5:7

• 3:5

• 5:3

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CCSS.6.RP.A.1

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Is the following ratio part-to-part or part-to-whole?

5 out of 23 kids in a class play the trumpet.

• part-to-whole

• part-to-part

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What is a ratio?

• A comparison of two or more things by addition

• A comparison of two or more things by multiplication

• A comparison of two or more things by subtraction

• A comparison of two or more things by division

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CCSS.6.RP.A.1

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What is the ratio of total heads to total legs?

• 4:16

• 4:8

• 2:4

• 16:4

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The ratio of bunnies to total pets is an example of:

• Part-to-part ratio

• Part-to-Whole ratio

• Whole-to-whole ratio

• Not enough information

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CCSS.6.RP.A.1

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The ratio of bunnies to dogs is an example of:

• Part-to-part ratio

• Part-to-Whole ratio

• Whole-to-whole ratio

• Not enough information

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CCSS.6.RP.A.1

CCSS.6.RP.A.2