Unit Rate

Front

What is a unit rate?

Back

A unit rate is a ratio that compares a quantity to one unit of another quantity, often expressed as 'per' something, such as miles per hour or dollars per pound.

Front

How do you calculate a unit rate?

Back

To calculate a unit rate, divide the total quantity by the number of units. For example, if you have 100 pages read in 5 days, divide 100 by 5 to find the unit rate of 20 pages per day.

Front

If a person reads 150 pages in 3 days, what is the unit rate of pages read per day?

Back

The unit rate is 50 pages per day (150 pages ÷ 3 days = 50 pages/day).

Front

What is the unit rate of cost per item if 12 items cost $60?

Back

The unit rate is $5 per item ($60 ÷ 12 items = $5/item).

Front

If a car travels 240 miles in 4 hours, what is the unit rate in miles per hour?

Back

The unit rate is 60 miles per hour (240 miles ÷ 4 hours = 60 miles/hour).

Front

How do you find the unit rate when given a total cost and quantity?

Back

To find the unit rate, divide the total cost by the quantity. For example, if 5 pounds of concrete cost $40, the unit rate is $8 per pound ($40 ÷ 5 pounds = $8/pound).

Front

What is the significance of unit rates in real-life applications?

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Unit rates help compare costs, speeds, and efficiencies, making it easier to make informed decisions in everyday situations.

Front

If a store sells 80 items in 4 hours, what is the unit rate of items sold per hour?

Back

The unit rate is 20 items per hour (80 items ÷ 4 hours = 20 items/hour).

Front

How can unit rates be used to compare prices of different products?

Back

Unit rates allow consumers to determine which product offers the best value by comparing the cost per unit, such as price per ounce or price per item.

Front

If a worker earns $120 for 10 hours of work, what is the unit rate of earnings per hour?

Back

The unit rate is $12 per hour ($120 ÷ 10 hours = $12/hour).