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 equivalent ratios?

Back

To find equivalent ratios, 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 is the ratio of 12 to 20 in simplest form?

Back

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

Front

If the ratio of red dots to green dots is 6:3, what is the equivalent ratio in simplest form?

Back

The equivalent ratio in simplest form is 2:1.

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

How do you express the ratio of birds to total animals if there are 4 birds and 6 snakes?

Back

The ratio of birds to total animals is 4:10, which simplifies to 2:5.

Front

What number should go in the blank to make the ratios equivalent? 7 : 2 and 21 : ___

Back

The number that should go in the blank is 6.

Front

What is the relationship between the ratios 3:5 and 6:10?

Back

The ratios 3:5 and 6:10 are equivalent because both can be simplified to the same ratio.

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

For 4 cups of flour, you would need 6 cups of sugar to maintain the equivalent ratio of 2:3.

Front

What is the ratio of 15 to 25 in simplest form?

Back

The simplest form of the ratio 15:25 is 3:5.