Understanding Rates and Unit Rates

The video tutorial introduces the concept of rates and unit rates, explaining how they compare two quantities with different units. It provides examples, such as calculating average speed and determining the cost per granola bar, to illustrate how to find unit rates by dividing the given quantities. The tutorial emphasizes understanding the process of setting up rates and performing division to find unit rates.

What is a rate?

• A mathematical operation

• A comparison of two quantities with different units

• A comparison of two quantities with the same units

• A single quantity with a unit

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

• 10 dollars for 5 apples

• 45 miles in one hour

• 3 hours for 180 miles

• 19.50 for three cheeseburgers

How do you calculate the average speed if Jennifer traveled 348 miles in 6 hours?

• Subtract 6 from 348

• Add 348 and 6

• Divide 348 by 6

• Multiply 348 by 6

What is Jennifer's average speed in miles per hour?

• 48 miles per hour

• 58 miles per hour

• 68 miles per hour

• 78 miles per hour

If a value pack of granola bars costs $5.04 and contains 24 bars, how do you find the cost per bar?

• Multiply $5.04 by 24

• Divide $5.04 by 24

• Add $5.04 and 24

• Subtract 24 from $5.04

What is the cost per granola bar if the total cost is $5.04 for 24 bars?

• 25 cents

• 35 cents

• 21 cents

• 30 cents

What is the main purpose of calculating a unit rate?

• To compare two quantities with the same units

• To find the value of one unit of a quantity

• To add two different quantities

• To multiply two different quantities

Which of the following is NOT a unit rate?

• 3 hours per mile

• 10 dollars for 5 apples

• 5 dollars per apple

• 60 miles per hour

What is the denominator in a unit rate?

• Two

• Three

• One

• Zero