Ratio and Ratio Tables

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 factor (GCF).

Front

What is a ratio table?

Back

A ratio table is a table that shows the relationship between two quantities and helps to find equivalent ratios.

Front

If the ratio of red paint to yellow paint is 3:5, how do you find the amount of yellow paint needed for a different amount of red paint?

Back

Set up a proportion using the original ratio and the new amount of red paint to solve for the unknown amount of yellow paint.

Front

What is the simplest form of the ratio 20 weeks to 14 days?

Back

10 weeks to 7 days.

Front

How do you find the total number of students in a class given the ratio of boys to girls?

Back

Add the number of boys and girls together to find the total number of students.

Front

What is the ratio of boys to total students if there are 8 boys and 14 girls?

Back

The ratio is 8:22.

Front

How do you complete a ratio table?

Back

Use equivalent ratios to fill in missing values in the table.

Front

If a ratio is 6:15, what is its simplest form?

Back

The simplest form is 2:5.

Front

What does it mean for two ratios to be equivalent?

Back

Two ratios are equivalent if they represent the same relationship between quantities.