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 buy 3 apples for $6, the unit rate is $2 per apple.

Front

How do you calculate the unit cost per item?

Back

To calculate the unit cost per item, divide the total cost by the number of items. For example, if 15 pizzas cost $97.50, the unit cost per pizza is $97.50 ÷ 15 = $6.50.

Front

If you spend $40 on 5 pounds of concrete, what is the unit rate in dollars per pound?

Back

The unit rate is calculated by dividing the total cost by the total weight: $40 ÷ 5 pounds = $8 per pound.

Front

What is the unit rate of customers per hour if a store sees 120 customers in 8 hours?

Back

To find the unit rate, divide the total number of customers by the total hours: 120 customers ÷ 8 hours = 15 customers per hour.

Front

How do you determine the slowest reading rate from a set of options?

Back

To determine the slowest reading rate, calculate the rate for each option (pages per minute) and compare them. The option with the lowest rate is the slowest.

Front

If I paid $15.00 for 6 gallons of gasoline, what was the price per gallon?

Back

To find the price per gallon, divide the total cost by the number of gallons: $15.00 ÷ 6 gallons = $2.50 per gallon.

Front

What is the formula for calculating unit rates?

Back

The formula for calculating unit rates is: Unit Rate = Total Quantity / Number of Units.

Front

Why is understanding unit rates important in real life?

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

Front

What is an example of a unit rate in everyday life?

Back

An example of a unit rate is the price of a product per item, such as $3 per bottle of water.

Front

How can you convert a unit rate into a fraction?

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A unit rate can be expressed as a fraction by placing the total quantity in the numerator and the number of units in the denominator. For example, 8 miles in 2 hours can be written as 8/2.