identify, simplify, and compare 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 as a fraction a/b.

Front

How do you simplify a ratio?

Back

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

Front

Write the ratio of 35 to 50 in simplest form.

Back

7 to 10 or 7:10.

Front

If there are 5 boys and 7 girls, what is the ratio of girls to boys?

Back

7 to 5.

Front

What are equivalent ratios?

Back

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

Front

True or False: Ratio tables represent equivalent ratios.

Back

True.

Front

Kevin mixes red and yellow paint in a ratio of 3 oz to 5 oz. How much yellow paint is needed for 9 oz of red paint?

Back

15 oz.

Front

In Mr. Mahoney's class, for every 5 students, 3 turned in their homework. What is the ratio of students who turned in homework?

Back

3 to 5.

Front

In Mrs. Mackie's class, for every 6 students, 4 turned in their homework. What is the ratio of students who turned in homework?

Back

4 to 6 or 2 to 3.

Front

Which class had a higher ratio of students turning in homework: Mr. Mahoney's or Mrs. Mackie's?

Back

Mrs. Mackie's class had a higher ratio.