Unit Rate Word Problems

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 earn $10 for 2 hours of work, the unit rate is $5 per hour.

Front

How do you find the unit rate from a word problem?

Back

To find the unit rate, divide the total amount by the number of units. For example, if you have 480 dollars earned in 32 hours, divide 480 by 32 to find the rate per hour.

Front

In the problem 'In 32 hours, Shawn earned $480. How many dollars did he earn each hour?', what is the unit in the denominator?

Back

The unit in the denominator is 'hours'.

Front

If a plane ascends 4,500 feet in 90 seconds, how do you calculate the rate of ascent per second?

Back

Divide the total feet ascended (4,500) by the total seconds (90) to find the rate: 4,500 ÷ 90 = 50 feet per second.

Front

What is the formula to calculate the price per item?

Back

The formula is: Price per item = Total price ÷ Number of items.

Front

Mike bought 4 pizzas for $68. How much did he pay for each pizza?

Back

He paid $17 for each pizza, calculated by dividing 68 by 4.

Front

What is the price per basketball if John spent $36 to buy 4 basketballs?

Back

The price per basketball is $9, calculated by dividing 36 by 4.

Front

How do you calculate speed in miles per hour?

Back

Speed in miles per hour is calculated by dividing the total miles traveled by the total hours taken.

Front

Emerson drove 1,080 miles in 20 hours. What was his speed in miles per hour?

Back

His speed was 54 miles per hour, calculated by dividing 1,080 by 20.

Front

What is the importance of unit rates in real-life situations?

Back

Unit rates help compare different quantities and make informed decisions, such as finding the best price or speed.