Unit 4 Pre-Assessment

Front

What is a ratio?

Back

A ratio is a comparison of two quantities, 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 is the ratio of red toy cars to all toy cars if there are 3 red cars and 7 other cars?

Back

The ratio is 3:10.

Front

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

Back

The ratio of girls to boys is 7:5.

Front

How do you express a ratio in simplest form?

Back

To express a ratio in simplest form, reduce it to the smallest whole numbers possible.

Front

What is the missing number in the sequence: 10, 11, __, 13?

Back

The missing number is 12.

Front

If Kevin mixes 3 oz of red paint with 5 oz of yellow paint, what is the ratio of red to yellow paint?

Back

The ratio of red to yellow paint is 3:5.

Front

How much yellow paint should Kevin mix with 9 oz of red paint if the ratio is 3:5?

Back

Kevin should mix 15 oz of yellow paint.

Front

What does it mean if a ratio is expressed as 1:3?

Back

It means for every 1 part of the first quantity, there are 3 parts of the second quantity.

Front

What is the total number of toy cars if Patrick has 2 black, 3 red, and 5 white toy cars?

Back

The total number of toy cars is 10.