Unit Rates

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 you 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 buy 4 apples for $2, the unit rate is $2 ÷ 4 apples = $0.50 per apple.

Front

If Jack jumps 40 times in 4 minutes, how many times does he jump in 1 minute?

Back

10 times.

Front

Which is the better buy: a 12 pack of Coke for $3.50 or a 6 pack for $1.80?

Back

The 12 pack of Coke.

Front

If a painter uses 1 1/2 gallons of paint for 3/4 of a room, how many gallons are needed for the whole room?

Back

2 gallons.

Front

What is the unit rate if Will spent $3.75 for 3 pounds of granola?

Back

$1.25 per pound.

Front

If Sasha mows 3/8 of an acre in 3/4 of an hour, how many acres does she mow per hour?

Back

1/2 acre per hour.

Front

What is the formula for finding a unit rate?

Back

Unit Rate = Total Quantity / Number of Units.

Front

Why is understanding unit rates important in real life?

Back

Understanding unit rates helps in making informed decisions, such as comparing prices, understanding speed, and calculating costs.

Front

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

Back

50 miles per hour.