Equivalent Ratios

Front

What is a ratio?

Back

A comparison of two or more numbers.

Front

How can a ratio be expressed?

Back

A ratio can be written in three ways: as a fraction (e.g., 4/6), with a colon (e.g., 4:6), or with the word 'to' (e.g., 4 to 6).

Front

What is the ratio of birds to total animals if there are 4 birds and 6 snakes?

Back

Front

If Mr. Girdner wins 3 games for every 5 games Miss Bailey wins, what is the ratio of Mr. Girdner's wins to Miss Bailey's wins?

Back

The ratio is 3:5.

Front

If they play 48 games, how many games does Mr. Girdner win if the ratio is 3:5?

Back

Mr. Girdner wins 18 games.

Front

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

Back

The number is 6.

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.

Front

How do you find an equivalent ratio?

Back

To find an equivalent ratio, multiply or divide both terms of the ratio by the same non-zero number.

Front

What is the total number of parts in the ratio 3:5?

Back

The total number of parts is 3 + 5 = 8.

Front

If a ratio is 4:6, what is its simplest form?

Back

The simplest form of the ratio 4:6 is 2:3.