Unit 3 Assessment General

Front

What is a ratio?

Back

A ratio is a relationship between two numbers that shows how many times the first number contains the second.

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 paint to yellow paint if the amounts are 3 oz and 5 oz?

Back

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

Front

If Kevin mixes 9 oz of red paint, how much yellow paint should he mix to maintain the ratio of 3:5?

Back

He should mix 15 oz of yellow paint.

Front

What is an equivalent ratio?

Back

An equivalent ratio is a ratio that expresses the same relationship between two quantities, even if the numbers are different.

Front

What is the equivalent ratio of 4:7?

Back

12:21 is an equivalent ratio of 4:7.

Front

How do you find an equivalent ratio?

Back

To find an equivalent ratio, multiply or divide both terms of the ratio by the same non-zero number.

Front

What is the ratio of triangles to squares if there are 4 triangles and 3 squares?

Back

The ratio of triangles to squares is 4:3.

Front

How do you calculate the rate of pages copied per second?

Back

To calculate the rate, divide the total number of pages by the total time in seconds.

Front

If a machine copies 40 pages in 8 seconds, what is the rate of pages per second?

Back

The rate is 5 pages per second.