unit rates 7th 10/14

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 (e.g., miles per hour, cost per item).

Front

How do you calculate the unit rate from a total cost and quantity?

Back

To calculate the unit rate, divide the total cost by the quantity. For example, if 5 books cost $7, the unit rate is $7 ÷ 5 = $1.40 per book.

Front

If a person can complete a task in a certain time, how do you find their unit rate of work?

Back

To find the unit rate of work, divide the total amount of work done by the total time taken. For example, if 408 words are typed in 4 minutes, the unit rate is 408 ÷ 4 = 102 words per minute.

Front

What is the unit price of an item?

Back

The unit price is the cost of a single unit of a product, calculated by dividing the total price by the number of units.

Front

How do you compare unit prices from different quantities?

Back

To compare unit prices, calculate the unit price for each option and then compare those values. The option with the lower unit price is the better deal.

Front

What is the unit rate for 44 stamps on 4 sheets?

Back

The unit rate is 44 stamps ÷ 4 sheets = 11 stamps per sheet.

Front

If 5 bottles of water cost $12.20, what is the unit price per bottle?

Back

The unit price per bottle is $12.20 ÷ 5 = $2.44 per bottle.

Front

How do you determine which day had a higher unit price when given two different prices for the same item?

Back

Calculate the unit price for each day and compare them. The day with the higher unit price is the one with the greater cost per unit.

Front

What is the formula for finding the unit rate?

Back

The formula for finding the unit rate is: Unit Rate = Total Quantity ÷ Total Time or Total Cost.

Front

How can you express a unit rate in different contexts?

Back

Unit rates can be expressed in various contexts such as speed (miles per hour), cost (dollars per item), or efficiency (tasks per hour).