Ratios & Equivalent Ratios

Front

What is a ratio?

Back

A ratio is a comparison between two quantities, showing how many times one value contains or is contained within the other.

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 boys to girls in a class is 2:3, how many boys are there if there are 15 girls?

Back

There are 10 boys.

Front

How do you simplify a ratio?

Back

To simplify a ratio, divide both terms by their greatest common factor.

Front

What is the ratio of 8 apples to 4 oranges?

Back

The ratio is 2:1.

Front

If a recipe calls for 4 cups of sugar and 2 cups of flour, what is the ratio of sugar to flour?

Back

The ratio of sugar to flour is 2:1.

Front

How can you express the ratio 5:10 in simplest form?

Back

The simplest form of 5:10 is 1:2.

Front

What does it mean if two ratios are proportional?

Back

Two ratios are proportional if they have the same value when simplified.

Front

In a class of 30 students, if the ratio of students who like soccer to those who like basketball is 3:2, how many students like basketball?

Back

12 students like basketball.

Front

What is the first step to find an equivalent ratio?

Back

Multiply or divide both terms of the ratio by the same non-zero number.