Equivalent Ratios

Front

What is a ratio?

Back

A ratio is a comparison of two quantities that shows the relative size of one quantity to another.

Front

How can a ratio be expressed?

Back

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

Front

What does it mean for two ratios to be equivalent?

Back

Two ratios are equivalent if they represent the same relationship between quantities, meaning they simplify to the same fraction.

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.

Front

What is the ratio of nickels to total coins if you have 3 pennies, 4 nickels, and 5 dimes?

Back

The ratio of nickels to total coins is 4:12.

Front

If the ratio of 6th graders to 7th graders is 4:1 and there are 8 7th graders, how many 6th graders are there?

Back

There are 32 6th graders.

Front

What is the equivalent ratio of 5 to 4?

Back

An equivalent ratio of 5 to 4 is 25 to 20.

Front

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

Back

The total number of parts in the ratio 4:1 is 5 (4 + 1).

Front

If a ratio is 3:5, what is the equivalent ratio if both terms are multiplied by 2?

Back

The equivalent ratio is 6:10.

Front

What is the first step to solve for an unknown in an equivalent ratio?

Back

The first step is to set up a proportion using the known ratios.