Ratios & Unit Rates

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'.

Front

How can a ratio be written?

Back

A ratio can be written in three ways: as 'a:b', 'a/b', or 'a to b'.

Front

What is a unit rate?

Back

A unit rate is a comparison of a quantity to one unit of another quantity, often expressed as 'x per 1 unit'.

Front

How do you find the unit rate from a total cost?

Back

To find the unit rate, divide the total cost by the number of units.

Front

If 4 pounds of bananas cost $6, what is the cost per pound?

Back

$1.50 per pound.

Front

What is the ratio of red apples to green apples if there are 4 red apples and 3 green apples?

Back

4 to 3.

Front

If Justin can type 408 words in 4 minutes, how many words can he type per minute?

Back

102 words per minute.

Front

In a fruit bowl with 4 apples, 2 bananas, and 5 pears, what is the ratio of pears to all fruit?

Back

5 to 11.

Front

Which of the following is NOT a way to write a ratio: 3=4, 3:4, 3/4, 3 to 4?

Back

3=4.

Front

What is the first step to simplify a ratio?

Back

Find the greatest common factor of the two quantities.