Equivalent Ratios

Front

What is an equivalent ratio?

Back

An equivalent ratio is a ratio that expresses the same relationship between two quantities, even if the numbers are different. For example, 1:2 and 2:4 are equivalent ratios.

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CCSS.6.RP.A.3A

Front

How do you find equivalent ratios?

Back

To find equivalent ratios, you can multiply or divide both terms of the ratio by the same non-zero number. For example, to find an equivalent ratio for 2:3, multiply both terms by 2 to get 4:6.

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CCSS.6.RP.A.3A

Front

Which ratio is equivalent to 5 to 4?

Back

25 to 20 is equivalent to 5 to 4.

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CCSS.6.RP.A.3A

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What is the ratio of 6 muffins to 3 muffins?

Back

The ratio is 2:1.

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

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If Mrs. Shelly paid $3 for 6 muffins and Mrs. Kloske paid $9 for 18 muffins, are the ratios equivalent?

Back

Yes, the ratios are equivalent.

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CCSS.6.RP.A.3A

Front

Which ratio is equivalent to 3:4?

Back

6:8 is equivalent to 3:4.

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CCSS.6.RP.A.3A

Front

What is the third way to write the ratio 4 to 5?

Back

4 to 5 can also be written as 4/5.

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

Are $15 for 5 pairs of socks and $25 for 10 pairs of socks equivalent ratios?

Back

No, they are not equivalent.

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CCSS.6.RP.A.3A

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What does it mean if two ratios are equivalent?

Back

It means they represent the same proportional relationship between two quantities.

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CCSS.6.RP.A.3A

Front

How can you express the ratio 4:5 in words?

Back

You can say '4 to 5'.

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CCSS.6.RP.A.1

CCSS.6.RP.A.2