Rates and Unit Rates

Front

What is a rate?

Back

A rate is a ratio that compares two different quantities, often expressed in terms of a unit of measure.

Front

What is a unit rate?

Back

A unit rate is a rate in which the second quantity is 1. For example, 50 miles per hour is a unit rate.

Front

How do you find a unit rate?

Back

To find a unit rate, divide the first quantity by the second quantity to get the amount per one unit of the second quantity.

Front

If Micah sells 2 pairs of striped shoes for every 3 pairs of neon shoes, what is the ratio of striped shoes to neon shoes?

Back

The ratio of striped shoes to neon shoes is 2:3.

Front

If Elijah earns $200 for 8 hours of work, what is his hourly wage?

Back

Elijah's hourly wage is $25 per hour.

Front

What is the formula to calculate the area covered by an oil spill if it spreads at a constant rate?

Back

Area = Rate × Time. For example, if it spreads 25 square meters every 10 minutes, after 1 hour (60 minutes), it will cover 150 square meters.

Front

What is the difference between a rate and a unit rate?

Back

A rate compares two quantities, while a unit rate expresses that comparison per one unit of the second quantity.

Front

Which of the following is NOT a unit rate: 45 miles per hour, 27 sandwiches in 3 weeks, or 1 lane?

Back

27 sandwiches in 3 weeks is NOT a unit rate.

Front

If a car travels 150 miles in 3 hours, what is the unit rate in miles per hour?

Back

The unit rate is 50 miles per hour.

Front

How do you convert a rate to a unit rate?

Back

Divide both quantities by the second quantity to find the equivalent rate per one unit.