Unit Rate (East Intermediate School)

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 408 words typed in 4 minutes, divide 408 by 4 to find the rate per minute.

Front

What is the unit rate of 3 miles in 1 hour?

Back

3 miles per hour.

Front

If a person can type 408 words in 4 minutes, what is their typing speed in words per minute?

Back

102 words per minute.

Front

What mathematical operation is used to find a unit rate?

Back

Division.

Front

How do you determine the cost per pound of dog food?

Back

To find the cost per pound, divide the total cost of the bag by the weight of the bag in pounds.

Front

What is the cost per pound of a 20-lb bag of dog food that costs $23.44?

Back

$1.17 per pound.

Front

Which size bag of dog food has the lowest cost per pound: 20-lb for $23.44, 8-lb for $9.88, or 40-lb for $49.00?

Back

The 20-lb bag has the lowest cost per pound.

Front

If 9 concert tickets cost $279, what is the cost per ticket?

Back

$31 per ticket.

Front

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

Back

Divide the total cost by the number of items.