Unit Rate

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 you can travel 60 miles in 1 hour, the unit rate is 60 miles per hour.

Front

How do you calculate a unit rate?

Back

To calculate a unit rate, divide the quantity of one item by the quantity of another item. For example, if you have 25 trucks unloaded in 5 hours, the unit rate is 25 trucks ÷ 5 hours = 5 trucks/hour.

Front

What is the unit rate for 152 text messages in 4 days?

Back

38 text messages per day (152 ÷ 4 = 38).

Front

If a train travels 1,230 miles in 5 hours, what is its speed in miles per hour?

Back

246 miles per hour (1,230 miles ÷ 5 hours = 246 mph).

Front

What is the unit rate for renting a bike that costs $79.80 for 6 hours?

Back

$13.30 per hour ($79.80 ÷ 6 hours = $13.30/hour).

Front

Which is a better deal: 8 packs of paper for $6.40 or 3 packs for $2.55?

Back

8 packs of paper for $6.40 is the better deal.

Front

What does it mean if a unit rate is expressed as 'trucks per hour'?

Back

It means the number of trucks unloaded in one hour.

Front

How can you compare two unit rates?

Back

You can compare two unit rates by calculating each rate and then determining which one is larger or more cost-effective.

Front

What is the unit rate for 100 miles in 2 hours?

Back

50 miles per hour (100 miles ÷ 2 hours = 50 mph).

Front

If a car uses 15 gallons of gas to travel 300 miles, what is the unit rate of miles per gallon?

Back

20 miles per gallon (300 miles ÷ 15 gallons = 20 mpg).