Unit Rates Review

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 dollars per item.

Front

How do you calculate speed in miles per hour?

Back

Speed in miles per hour is calculated by dividing the distance traveled in miles by the time taken in hours: Speed = Distance / Time.

Front

Back

44 miles/hour

Front

How do you find the fuel efficiency in miles per gallon?

Back

Fuel efficiency is calculated by dividing the distance traveled in miles by the gallons of fuel used: Efficiency = Distance / Gallons.

Front

Back

10 miles/gallon

Front

What is the formula for calculating a rate?

Back

Rate = Quantity / Time or Rate = Distance / Time.

Front

How do you compare two rates?

Back

To compare two rates, convert them to the same unit and then compare the numerical values.

Front

Back

12 km/h

Front

What does it mean if one rate is faster than another?

Back

A faster rate means that a greater quantity is completed in the same amount of time compared to a slower rate.

Front

If a teacher grades 25 assignments in 20 minutes, what is the rate of grading?

Back

The rate is 1.25 assignments per minute.