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'.

Front

How do you write a ratio?

Back

Ratios can be written in three ways: using a colon (a:b), as a fraction (a/b), or in words (a to b).

Front

What is an equivalent ratio?

Back

Equivalent ratios are ratios that express the same relationship between two quantities, even if the numbers are different.

Front

If the ratio of red apples to green apples is 4 to 3, what is the equivalent ratio if there are 8 red apples?

Back

The equivalent ratio would be 8 to 6.

Front

How do you find equivalent ratios?

Back

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

Front

What is the ratio of pears to all fruit if there are 5 pears and 11 total fruits?

Back

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

Front

If Patrick has 3 red toy cars out of a total of 10 toy cars, what is the ratio of red toy cars to all toy cars?

Back

The ratio is 3 to 10.

Front

What is the first step to solve a problem involving ratios?

Back

Identify the quantities being compared and express them as a ratio.

Front

If a recipe calls for 2 cups of flour and 3 cups of sugar, what is the ratio of flour to sugar?

Back

The ratio of flour to sugar is 2 to 3.

Front

How can you simplify a ratio?

Back

To simplify a ratio, divide both terms by their greatest common divisor (GCD).