Ratios, Rates, & Unit Rate

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 do you simplify a ratio?

Back

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

Front

What is a rate?

Back

A rate is a specific kind of ratio that compares two different units, such as miles per hour or dollars per pound.

Front

What is a unit rate?

Back

A unit rate is a rate in which the second quantity is one unit, such as 60 miles per hour or $5 per pound.

Front

If a car travels 300 miles in 5 hours, what is the unit rate in miles per hour?

Back

60 miles per hour.

Front

What is the unit rate if you buy 3 apples for $1.50?

Back

$0.50 per apple.

Front

How do you find the price per item?

Back

To find the price per item, divide the total price by the number of items.

Front

What is the simplified form of the ratio 10 to 15?

Back

2 to 3.

Front

If you can type 240 words in 3 minutes, how many words can you type in 1 minute?

Back

80 words per minute.

Front

What is the formula to calculate a unit rate?

Back

Unit Rate = Total Quantity / Number of Units.