Equivalent Ratios Practice

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 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 for 3:5, multiply both terms by 2 to get 6:10.

Front

What is the ratio of 36 to 21 simplified?

Back

The ratio of 36 to 21 simplified is 12:7.

Front

If 2 eggs and 3 cups of flour make a batch of cookies, how many eggs are needed for 2 batches?

Back

For 2 batches, you need 4 eggs and 6 cups of flour.

Front

What is the relationship between the ratios 12:20 and 3:5?

Back

The ratio 12:20 is equivalent to 3:5 because both can be simplified to the same ratio.

Front

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

Back

If 3 cups of flour require 2 eggs, then 9 cups of flour require 6 eggs.

Front

What is the equivalent ratio of 3:4 when both terms are multiplied by 2?

Back

The equivalent ratio of 3:4 when both terms are multiplied by 2 is 6:8.

Front

How do you check if two ratios are equivalent?

Back

To check if two ratios are equivalent, cross-multiply and see if the products are equal. For example, for ratios a:b and c:d, check if a*d = b*c.

Front

What is the equivalent ratio of 4:5 when both terms are divided by 2?

Back

The equivalent ratio of 4:5 when both terms are divided by 2 is 2:2.5.

Front

If 8 eggs are used, how many cups of flour are needed if the ratio is 2:3?

Back

If 8 eggs are used, you need 12 cups of flour.