Ratios and 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, often expressed as 'a to b' or a:b.

Front

How do you find the ratio of a part to the whole?

Back

To find the ratio of a part to the whole, divide the part by the total quantity and express it in simplest form.

Front

What is an equivalent ratio?

Back

Equivalent ratios are two or more ratios that represent the same relationship between numbers, such as 1:2 and 2:4.

Front

How can you determine if two ratios are equivalent?

Back

Two ratios are equivalent if you can simplify them to the same fraction or if you can multiply or divide both terms of one ratio by the same number to get the other ratio.

Front

What is the ratio of pears to all fruit if there are 4 apples, 2 bananas, and 5 pears?

Back

The ratio of pears to all fruit is 5:11.

Front

If a fruit bowl has 3 oranges and 6 apples, what is the ratio of oranges to apples?

Back

The ratio of oranges to apples is 3:6, which simplifies to 1:2.

Front

What is the ratio of red apples to green apples if there are 4 red apples and 3 green apples?

Back

The ratio of red apples to green apples is 4:3.

Front

How do you express the ratio of red toy cars to all toy cars if there are 2 black, 3 red, and 5 white toy cars?

Back

The ratio of red toy cars to all toy cars is 3:10.

Front

Find one equivalent ratio for 15:30 using division.

Back

One equivalent ratio for 15:30 is 5:10.

Front

What is the simplest form of the ratio 8:12?

Back

The simplest form of the ratio 8:12 is 2:3.