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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 can you determine if two ratios are equivalent?

Back

To determine if two ratios are equivalent, you can cross-multiply the terms. If the cross-products are equal, the ratios are equivalent.

Tags

CCSS.6.RP.A.3A

Front

What is the ratio of 3 to 6?

Back

The ratio of 3 to 6 can be simplified to 1:2, which is an equivalent ratio.

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

Are the ratios 4:8 and 2:5 equivalent?

Back

No, the ratios 4:8 and 2:5 are not equivalent.

Tags

CCSS.6.RP.A.3A

Front

If a recipe calls for 2 cups of flour and 4 cups of sugar, what is the equivalent ratio of flour to sugar?

Back

The equivalent ratio of flour to sugar is 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.

Tags

CCSS.6.RP.A.3A

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Are the ratios 6:12 and 3:6 equivalent?

Back

Yes, the ratios 6:12 and 3:6 are equivalent.

Tags

CCSS.6.RP.A.3A

Front

What is the simplest form of the ratio 10:15?

Back

The simplest form of the ratio 10:15 is 2:3.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

If the ratio of boys to girls in a class is 5:3, what is the equivalent ratio if there are 10 boys?

Back

If there are 10 boys, the equivalent ratio of boys to girls is 10:6.

Front

Can you give an example of equivalent ratios using fractions?

Back

Yes, 1/2 and 2/4 are equivalent ratios.

Tags

CCSS.6.RP.A.3A