Ratios and Unit Rates

Front

What is a Ratio?

Back

A ratio is a comparison of two quantities.

Front

How do you calculate the unit rate?

Back

To calculate the unit rate, divide the total quantity by the number of units.

Front

If 6 gallons of gasoline cost $15.00, what is the price per gallon?

Back

$2.50

Front

There are 75 pieces of candy in a 15 oz bag. How many pieces are there per ounce?

Back

5 pieces per ounce.

Front

What is a unit rate?

Back

A unit rate is a ratio that compares a quantity to one unit of another quantity.

Front

If you buy 8 dozen oranges for $52.16, what is the cost per dozen?

Back

$6.52 per dozen.

Front

What is the first step in solving a ratio problem?

Back

Identify the two quantities being compared.

Front

If a recipe requires 2 cups of flour for every 3 cups of sugar, what is the ratio of flour to sugar?

Back

The ratio of flour to sugar is 2:3.

Front

How can you express the ratio of 4 apples to 2 oranges?

Back

The ratio can be expressed as 4:2 or simplified to 2:1.

Front

What is the unit rate of 60 miles in 3 hours?

Back

20 miles per hour.