Equivalent Ratios

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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.

Tags

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 1:3, multiply both terms by 2 to get 2:6.

Tags

CCSS.6.RP.A.3A

Front

Which ratio is equivalent to 5:15?

Back

1:3

Tags

CCSS.6.RP.A.3A

Front

Which ratio is equivalent to 1:2?

Back

2:4

Tags

CCSS.6.RP.A.3A

Front

Which ratio is equivalent to 10:2?

Back

5:1

Tags

CCSS.6.RP.A.3A

Front

Which ratio is equivalent to 10:30?

Back

1:3

Tags

CCSS.6.RP.A.3A

Front

Which ratio is equivalent to 1:1?

Back

3:3

Tags

CCSS.6.RP.A.3A

Front

If a ratio is 4:8, what is its simplest form?

Back

1:2

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

What does it mean if two ratios are not equivalent?

Back

If two ratios are not equivalent, it means they do not represent the same relationship between the two quantities. For example, 2:3 and 3:4 are not equivalent.

Tags

CCSS.6.RP.A.3A

Front

How can you check if two ratios are equivalent?

Back

You can check if two ratios are equivalent by cross-multiplying. If the cross-products are equal, the ratios are equivalent.

Tags

CCSS.6.RP.A.3A