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 find an equivalent ratio?

Back

To find an equivalent ratio, you can multiply or divide both terms of the ratio by the same non-zero number. For example, to find an equivalent ratio of 3:4, you can multiply both terms by 2 to get 6:8.

Front

What is the ratio of Mr. Girdner's wins to Miss Bailey's wins in their air hockey games?

Back

The ratio of Mr. Girdner's wins to Miss Bailey's wins is 3:5.

Front

If Mr. Girdner wins 18 games, how many games does Miss Bailey win?

Back

If Mr. Girdner wins 18 games, Miss Bailey wins 30 games, maintaining the ratio of 3:5.

Front

What is the ratio of green dots to orange dots if there are 3 green dots and 5 orange dots?

Back

The ratio of green dots to orange dots is 3:5.

Front

Which of the following ratios is equivalent to 5:4?

Back

25:20 is equivalent to 5:4.

Front

What is the simplified form of the ratio 12:20?

Back

The simplified form of the ratio 12:20 is 3:5.

Front

If there are 10 girls for every 12 boys, how many boys are there if there are 50 girls?

Back

If there are 50 girls, there are 60 boys.

Front

What is the first step to solve a problem involving equivalent ratios?

Back

The first step is to identify the known ratios and the unknown quantity you need to find.

Front

How can you express the ratio of 6 red dots, 3 green dots, and 5 orange dots?

Back

The ratio can be expressed as 6:3:5.