Unit Rates

Front

What is a unit rate?

Back

A unit rate is a comparison of two different quantities where one of the quantities is expressed as a quantity of one. For example, if you buy 3 pounds of granola for $3.75, the unit rate is the cost per pound.

Front

How do you calculate a unit rate?

Back

To calculate a unit rate, divide the total amount by the number of units. For example, if you spend $40 on 5 pounds of concrete, the unit rate is $40 ÷ 5 = $8 per pound.

Front

If 18 bottles of tea cost $15.99, what is the unit rate?

Back

To find the unit rate, divide the total cost by the number of bottles: $15.99 ÷ 18 = approximately $0.89 per bottle.

Front

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

Back

The unit rate is $3.75 ÷ 3 = $1.25 per pound.

Front

If a gas tank costs $46.80 to fill and holds 13 gallons, what is the price per gallon?

Back

The price per gallon is $46.80 ÷ 13 = $3.60 per gallon.

Front

What does it mean to round a number to the nearest hundredth?

Back

Rounding to the nearest hundredth means adjusting the number to two decimal places. For example, 0.923 rounded to the nearest hundredth is 0.92.

Front

If you have 0.923 mL of liquid, what is this rounded to the nearest hundredth?

Back

0.923 mL rounded to the nearest hundredth is 0.92 mL.

Front

What is the unit rate for 5 pounds of concrete costing $40?

Back

The unit rate is $40 ÷ 5 = $8 per pound.

Front

How do you express a unit rate in terms of cost per item?

Back

A unit rate in terms of cost per item is expressed as the total cost divided by the number of items, resulting in a cost per single item.

Front

What is the unit rate for 16 ounces of tea costing $15.99?

Back

The unit rate is $15.99 ÷ 18 = approximately $0.89 per bottle.