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

Which ratio is equivalent to 5 to 4?

Back

25 to 20

Front

If you have 3 pennies, 4 nickels, and 5 dimes, what is the ratio of nickels to total number of coins?

Back

4:12

Front

The ratio of 6th graders to 7th graders at a basketball game is 4:1. If there are eight 7th graders, how many 6th graders are there?

Back

32

Front

How can a ratio be written?

Back

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

Front

What is the total number of parts in the ratio 4:1?

Back

The total number of parts is 4 + 1 = 5.

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 (because 4 cups of flour is double the 2 cups, so double the sugar as well).

Front

What is the ratio of 10 to 15 in simplest form?

Back

The simplest form of the ratio 10:15 is 2:3.