Unit Rate Flashcard

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 300 miles on 10 gallons of gas, the unit rate is 30 miles per gallon.

Front

How do you calculate the unit rate?

Back

To calculate the unit rate, divide the first quantity by the second quantity. For example, if you have 50 apples for $10, the unit rate is 50 apples ÷ 10 dollars = 5 apples per dollar.

Front

What is the unit rate of 40 dollars for 5 pounds of concrete?

Back

$8 per pound.

Front

If a car travels 495 miles on 15 gallons of gas, what is the unit rate in miles per gallon?

Back

33 miles per gallon.

Front

How do you determine which deal is better when comparing prices?

Back

Calculate the unit rate for each option and compare them. The option with the lower unit rate is the better deal.

Front

What is the unit rate of 2.50 dollars for 14 ounces of Chips Ahoy?

Back

Approximately $0.18 per ounce.

Front

If it rains 2 cm in one hour, what is the rate of rainfall?

Back

2 cm per hour.

Front

How many cups of stock are needed to make 12 batches of soup if 4 cups are needed for 1 batch?

Back

48 cups of stock.

Front

What is the better deal: 2.98 dollars for 15 ounces of Oreos or 2.50 dollars for 14 ounces of Chips Ahoy?

Back

Chips Ahoy is the better deal.

Front

If a Hummer gets 300 miles on 20 gallons of gas, what is the fuel efficiency in miles per gallon?

Back

15 miles per gallon.