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, the ratios 1:2 and 2:4 are equivalent.

Front

How do you determine if two ratios are equivalent?

Back

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

Front

Back

No, they are not equivalent.

Front

Which ratio is equivalent to 5 to 4?

Back

25 to 20 is equivalent to 5 to 4.

Front

Are the ratios 2:3 and 8:12 equivalent?

Back

Yes, they are equivalent.

Front

Are the ratios 3:4 and 6:12 equivalent?

Back

No, they are not equivalent.

Front

If 18 vocab words are learned in 2 hours, how many vocab words are learned in 3 hours if the ratios are equivalent?

Back

27 vocab words are learned in 3 hours.

Front

What is the relationship between equivalent ratios and scaling?

Back

Equivalent ratios can be obtained by scaling both terms of a ratio by the same factor.

Front

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

Back

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

Front

If a recipe calls for a ratio of 2 cups of flour to 3 cups of sugar, how many cups of sugar are needed for 4 cups of flour?

Back

6 cups of sugar are needed for 4 cups of flour.