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

Front

How can 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 for 3:4, multiply both terms by 2 to get 6:8.

Front

What number should go in the blank to make the ratios equivalent? 6 : 5 and 54 : __

Back

45

Front

How many ways can a ratio be written?

Back

A ratio can be written in three ways: using a colon (e.g., 3:4), as a fraction (e.g., 3/4), or with the word 'to' (e.g., 3 to 4).

Front

Which ratio is equivalent to 5 to 4?

Back

25 to 20

Front

What is the ratio of green dots to orange dots if there are 6 red dots, 3 green dots, and 5 orange dots?

Back

3:5

Front

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

Back

60 boys.

Front

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

Back

The simplest form of the ratio 8:12 is 2:3.

Front

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

Back

6 cups of sugar.

Front

What is a part-to-part ratio?

Back

A part-to-part ratio compares two different parts of a whole. For example, in a class of 10 boys and 15 girls, the part-to-part ratio of boys to girls is 10:15.