Unit Rate

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 a unit rate?

Back

To calculate a unit rate, divide the quantity by the number of units. For example, if you have 60 miles in 3 hours, the unit rate is 60 miles ÷ 3 hours = 20 miles per hour.

Front

If a store sells 240 items in 12 days, what is the unit rate of items sold per day?

Back

The unit rate is 240 items ÷ 12 days = 20 items per day.

Front

What is the unit rate of 15 customers in 1 hour?

Back

The unit rate is 15 customers per hour.

Front

If 4 gallons of paint cost $80, what is the cost per gallon?

Back

The cost per gallon is $80 ÷ 4 gallons = $20 per gallon.

Front

What is the unit rate of 100 miles driven in 2 hours?

Back

The unit rate is 100 miles ÷ 2 hours = 50 miles per hour.

Front

How do you find the cost per item when given total cost and quantity?

Back

To find the cost per item, divide the total cost by the number of items.

Front

If a car travels 300 miles on 10 gallons of gas, what is the unit rate of miles per gallon?

Back

The unit rate is 300 miles ÷ 10 gallons = 30 miles per gallon.

Front

What does it mean if a unit rate is expressed as 'per 100'?

Back

Expressing a unit rate as 'per 100' means that the rate is calculated based on a quantity of 100 units, making it easier to compare rates.

Front

If a recipe requires 3 cups of flour for 12 cookies, what is the unit rate of flour per cookie?

Back

The unit rate is 3 cups ÷ 12 cookies = 0.25 cups of flour per cookie.