Understanding Unit Rates

The video tutorial explains the concept of unit rate, which is a ratio comparing quantities where the second quantity is one. It provides examples such as miles per hour, earnings per hour, and cost per gallon, illustrating how the first item is compared to exactly one of the second item. The tutorial emphasizes understanding unit rates as a way to compare one quantity to another.

What is a unit rate primarily used for?

• To compare two different units

• To determine time

• To calculate distance

• To measure speed

Which of the following is an example of a unit rate?

• Dollars per dozen

• Liters per minute

• Kilograms per box

• Miles per hour

In a unit rate, what is the value of the second quantity?

• Zero

• One

• Two

• Variable

Which of the following is NOT a unit rate?

• Earnings per hour

• Distance per mile

• Speed per second

• Cost per gallon

What should you remember about unit rates?

• They are used for financial calculations

• They compare two different items

• They always involve time

• They compare one to another