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 a quantity of one. For example, if a car travels 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 first quantity by the second quantity. For example, if you have 100 miles in 2 hours, the unit rate is 100 miles ÷ 2 hours = 50 miles per hour.

Front

Which is the correct unit rate: 5 seconds per foot or 5 feet per second?

Back

5 feet per second is the correct unit rate, as it expresses the distance traveled in one second.

Front

What is the unit rate of 100 miles in 3 hours?

Back

To find the unit rate, divide 100 miles by 3 hours: 100 miles ÷ 3 hours = approximately 33.33 miles per hour.

Front

If a product costs $13.50 for 9 items, what is the price per item?

Back

The price per item is $13.50 ÷ 9 = $1.50 per item.

Front

What is the unit rate for rainfall measured at 4 cm in 2 hours?

Back

The unit rate is 4 cm ÷ 2 hours = 2 cm per hour.

Front

If Justin types 408 words in 4 minutes, how many words does he type per minute?

Back

To find the unit rate, divide 408 words by 4 minutes: 408 words ÷ 4 minutes = 102 words per minute.

Front

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

Back

It means the rate is being compared to one unit of measurement, such as 'miles per hour' or 'dollars per item'.

Front

How can you identify a unit rate from a fraction?

Back

A unit rate can be identified if the denominator of the fraction is 1. For example, 35 miles/1 hour is a unit rate.

Front

What is the unit rate of 70 miles in 2 hours?

Back

The unit rate is 70 miles ÷ 2 hours = 35 miles per hour.