Unit Rates and Comparing 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 one unit. For example, if you can buy 5 apples for $10, the unit rate is $2 per apple.

Front

How do you calculate the unit price?

Back

To calculate the unit price, divide the total price by the number of items. For example, if a pack of 10 slices of cheese costs $2.48, the unit price is $2.48 ÷ 10 = $0.248 per slice.

Front

What is the unit rate of 4,485 square feet in 3/4 hour?

Back

To find the unit rate, divide 4,485 square feet by 0.75 hours. The unit rate is 4,485 ÷ 0.75 = 5,980 square feet per hour.

Front

If 15 pizzas cost $97.50, what is the cost per pizza?

Back

To find the cost per pizza, divide the total cost by the number of pizzas: $97.50 ÷ 15 = $6.50 per pizza.

Front

Which of the following is NOT a unit rate? 1 minute/3 feet, 0.3 miles/1 minute, 4 dogs, 1 yard?

Back

4 dogs is NOT a unit rate because it does not compare two different quantities.

Front

What is the cost per apple if 7 apples cost $4.55?

Back

To find the cost per apple, divide the total cost by the number of apples: $4.55 ÷ 7 = $0.65 per apple.

Front

How do you determine which deal is better when comparing unit prices?

Back

To determine which deal is better, calculate the unit price for each option and compare them. The option with the lower unit price is the better deal.

Front

What is the formula for finding a unit rate?

Back

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

Front

If a car travels 300 miles in 5 hours, what is the unit rate in miles per hour?

Back

To find the unit rate, divide the distance by the time: 300 miles ÷ 5 hours = 60 miles per hour.

Front

What does it mean if a unit rate is expressed as 'per 1'?

Back

Expressing a unit rate as 'per 1' means that the rate is calculated for a single unit of the second quantity. For example, if the unit rate is $3 per 1 apple, it means each apple costs $3.