Unit 3A Review

Front

What is a unit rate?

Back

A unit rate is a comparison of two different quantities when they are combined together. It expresses how much of one quantity corresponds to one unit of another quantity, often expressed as 'per' something, like dollars per hour.

Front

How do you calculate the unit rate?

Back

To calculate the unit rate, divide the total quantity of one item by the total quantity of another item. For example, if a bike rental costs $28 for 4 hours, the unit rate is $28 ÷ 4 = $7 per hour.

Front

What is the unit rate for Company A in Micah's bike rental comparison?

Back

$7 per hour.

Front

How can you determine if two rates are the same?

Back

To determine if two rates are the same, calculate the unit rate for each and compare them. If they are equal, the rates are the same.

Front

Colton runs 13 miles in 4 hours. What is his rate in miles per hour?

Back

Colton's rate is 13 miles ÷ 4 hours = 3.25 miles per hour.

Front

Briggs runs 15 miles in 4 hours. What is his rate in miles per hour?

Back

Briggs's rate is 15 miles ÷ 4 hours = 3.75 miles per hour.

Front

Are Colton and Briggs running at the same rate?

Back

No, Colton is running at 3.25 miles per hour while Briggs is running at 3.75 miles per hour.

Front

If oranges cost $1.25 per pound, how many pounds can you buy for $9?

Back

You can buy 9 ÷ 1.25 = 7.2 pounds of oranges.

Front

What is a fraction of a book read per hour?

Back

It is the part of the book that a student reads in one hour, expressed as a fraction of the total book.

Front

Which two students read the same fraction of the book per hour?

Back

Ava and Aubrey read the same fraction of the book per hour.