Ratios and 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:b'.

Front

How do you simplify a ratio?

Back

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

Front

What is a unit rate?

Back

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

Front

How do you find a unit rate from a ratio?

Back

To find a unit rate, divide the first quantity by the second quantity to express it as 'x per 1 unit'.

Front

If John kicks 20 soccer balls in 5 minutes, how many does he kick in 1 minute?

Back

4 soccer balls.

Front

Which of the following is NOT equivalent to the ratio 3:5? 15:25, 9:15, 21:28, 30:50

Back

21:28.

Front

What is the ratio of votes for yellow (18) to green (9)?

Back

2:1.

Front

If I paid $15.00 for 6 gallons of gasoline, what is the price per gallon?

Back

$2.50.

Front

How do you calculate the price per item?

Back

Divide the total cost by the number of items.

Front

If adult tickets cost $250 for 20 tickets, how much does one adult ticket cost?

Back

$12.50.