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

Are the ratios 1:2 and 4:7 equivalent?

Back

No

Front

Back

Front

Find one equivalent ratio for 15 : 30.

Back

5 : 10

Front

What is the relationship between equivalent ratios?

Back

Equivalent ratios maintain the same proportion between the two quantities. For example, if a:b = c:d, then a/b = c/d.

Front

If Mason caught 14 catfish and the ratio of bass to catfish is 1:2, how many bass did he catch?

Back

7 fish

Front

Which ratio is equivalent to 3:4?

Back

6:8

Front

How can you determine if two ratios are equivalent?

Back

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

Front

What is the simplest form of the ratio 8:12?

Back

2:3

Front

If a recipe calls for a ratio of 2 cups of flour to 3 cups of sugar, how many cups of flour are needed for 9 cups of sugar?

Back

6 cups of flour.