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.

Front

How do you calculate a unit rate from a ratio?

Back

To calculate a unit rate from a ratio, divide the first quantity by the second quantity to find the amount per one unit of the second quantity.

Front

If Nate puts 2/3 of a bag of erasers into 3 boxes, how much does he put in each box?

Back

He puts 2/9 of a bag of erasers in each box.

Front

If Kourtney puts 3/5 of a bag of erasers into 3 boxes, how much does she put in each box?

Back

She puts 1/5 of a bag of erasers in each box.

Front

What is a ratio?

Back

A ratio is a comparison of two quantities using division.

Front

How do you determine which is the better buy between two products?

Back

To determine the better buy, calculate the unit price for each product and compare them.

Front

What is the unit price of a 12 pack of Coke for $3.50?

Back

The unit price is $0.29 per can.

Front

What is the unit price of a six pack of Coke for $1.80?

Back

The unit price is $0.30 per can.

Front

How do you find the total cost of multiple items if you know the cost of one item?

Back

Multiply the cost of one item by the number of items to find the total cost.

Front

If Savannah is purchasing apps and it costs $3 per app, how much would it cost for 7 apps?

Back

It would cost $21 for 7 apps.