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 factor (GCF).

Front

What is a rate?

Back

A rate is a specific kind of ratio that compares two different kinds of quantities, such as distance to time.

Front

What is a unit rate?

Back

A unit rate is a rate in which the second quantity is 1. It tells you how much of one quantity corresponds to one unit of another quantity.

Front

Calculate the unit rate: 120 customers in 8 hours.

Back

15 customers per hour.

Front

Simplify the ratio 20 to 25.

Back

4 to 5.

Front

What is the unit rate for $3.75 for 3 pounds of granola?

Back

$1.25 per pound.

Front

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

Back

$2.50.

Front

What is the formula to find the unit rate?

Back

Unit Rate = Total Quantity / Number of Units.

Front

If a recipe calls for a ratio of 2:3 of sugar to flour, how much sugar is needed for 6 cups of flour?

Back

4 cups of sugar (2/3 of 6).