Understanding Ratios Practice

Front

What is a ratio?

Back

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

Front

How do you simplify a ratio?

Back

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

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 can be simplified to the same fraction.

Front

If the ratio of red paint to yellow paint is 3:5, how much yellow paint is needed for 9 oz of red paint?

Back

15 oz of yellow paint is needed.

Front

What is the ratio of boys to girls if there are 12 boys and 10 girls?

Back

The ratio of boys to girls is 12:10, which simplifies to 6:5.

Front

How do you find the total number of parts in a ratio?

Back

Add the numbers in the ratio together to find the total number of parts.

Front

What is the ratio of coaches to students if there are 12 boys, 10 girls, and 1 coach?

Back

The ratio of coaches to students is 1:22.

Front

If a recipe calls for a ratio of 2:3 for sugar to flour, how much flour is needed for 4 cups of sugar?

Back

6 cups of flour are needed.

Front

What is the equivalent ratio of 12:20?

Back

The equivalent ratio is 3:5.

Front

If there are 112 chairs and the ratio of chairs to tables is 8:1, how many tables are there?

Back

There are 14 tables.