Unit Rate, Unit Price, and Constant Speed

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 a car travels 300 miles in 5 hours, the unit rate is 60 miles per hour.

Front

How do you calculate the unit price?

Back

To calculate the unit price, divide the total price by the number of units. For example, if a 12-pack of soda costs $6, the unit price is $6 ÷ 12 = $0.50 per can.

Front

What is constant speed?

Back

Constant speed means that an object covers equal distances in equal intervals of time, regardless of how small the time intervals are. For example, if a car travels 60 miles every hour, it is moving at a constant speed.

Front

If Lindsey drives at 55 miles per hour, how long will it take her to drive 275 miles?

Back

5 hours

Front

Which of the following is NOT an example of a rate? 2 cups for every 3 cups, 120 beats per minute, 16 ounces for $2, 8 inches per 12 hours?

Back

2 cups for every 3 cups

Front

If Callie's family spends $70 per month on electricity, how much will they spend in a year?

Back

$840

Front

How do you find pay per hour?

Back

To find pay per hour, divide the total earnings by the total hours worked. For example, if someone earns $320 for 8 hours of work, their pay per hour is $320 ÷ 8 = $40.

Front

If Mandy is on a bus traveling at 60 miles per hour, how far will she travel in 3.5 hours?

Back

210 miles

Front

What is the formula to calculate distance when speed and time are known?

Back

Distance = Speed × Time.

Front

What is the difference between a rate and a unit rate?

Back

A rate is a comparison of two quantities, while a unit rate is a specific type of rate that compares a quantity to one unit of another quantity.