5.1/5.2 Ratio + Rates Practice

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 'a:b'.

Front

How do you express the ratio of 2 to 3?

Back

The ratio of 2 to 3 can be expressed as 2:3.

Front

What does the ratio 2:3 mean in terms of quantities?

Back

For every 2 units of the first quantity, there are 3 units of the second quantity.

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

Find an equivalent ratio for 3:10.

Back

9:30 is an equivalent ratio for 3:10.

Front

What is a unit rate?

Back

A unit rate is a ratio that compares a quantity to one unit of another quantity, often used to express speed, price per item, etc.

Front

If Jane ran 8 miles in 4 practices, what is her unit rate of miles per practice?

Back

Jane's unit rate is 2 miles per practice (8 miles ÷ 4 practices).

Front

How many practices would it take Jane to run 20 miles at her current rate?

Back

It would take Jane 10 practices to run 20 miles.

Front

What is the total of the parts in the ratio 2:3?

Back

The total of the parts in the ratio 2:3 is 5 (2 + 3).

Front

If a ratio is 4:5, what is the equivalent ratio if both parts are multiplied by 2?

Back

The equivalent ratio is 8:10.