Unit Rate/Unit Price

Front

What is a unit rate?

Back

A unit rate is a ratio that compares a quantity to one unit of another quantity, often expressed as 'per' something, such as miles per hour or cost per item.

Front

How do you calculate the unit rate from a given quantity and time?

Back

To calculate the unit rate, divide the total quantity by the total time. For example, if a factory makes 24 bicycles in 3 hours, the unit rate is 24 ÷ 3 = 8 bicycles per hour.

Front

What is the formula to find the cost per item?

Back

The formula to find the cost per item is: Cost per item = Total cost ÷ Number of items.

Front

If a product costs $12 for 4 items, what is the cost per item?

Back

The cost per item is $12 ÷ 4 = $3 per item.

Front

How can you determine which of two products is a better buy?

Back

To determine which product is a better buy, calculate the unit price (cost per unit) for each product and compare them. The product with the lower unit price is the better buy.

Front

What is the unit price of a 3-pound bag of candy that costs $6.04?

Back

The unit price is $6.04 ÷ 3 = $2.01 per pound.

Front

If a dozen doughnuts cost $3.00, what is the cost of one doughnut?

Back

The cost of one doughnut is $3.00 ÷ 12 = $0.25.

Front

How do you convert a ratio to a unit rate?

Back

To convert a ratio to a unit rate, divide the first number of the ratio by the second number to express it as a quantity per one unit.

Front

What is the unit rate of 45 multiplication problems completed in 2 minutes?

Back

The unit rate is 45 ÷ 2 = 22.5 problems per minute.

Front

If 4 chocolate bars cost $2.00, what is the cost of one chocolate bar?

Back

The cost of one chocolate bar is $2.00 ÷ 4 = $0.50.