Unit Rates

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 cost per item.

Front

How do you calculate the unit rate from a total cost and quantity?

Back

To calculate the unit rate, divide the total cost by the quantity. For example, if 15 pizzas cost $97.50, the unit rate is $97.50 ÷ 15 = $6.50 per pizza.

Front

If 25 pens cost $1.00, what is the unit rate per pen?

Back

The unit rate is $1.00 ÷ 25 pens = $0.04 per pen.

Front

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

Back

The unit rate is 120 customers ÷ 8 hours = 15 customers per hour.

Front

How do you find the unit rate when given a total number of items and packs?

Back

To find the unit rate, divide the total number of items by the number of packs. For example, 48 markers in 8 packs gives 48 ÷ 8 = 6 markers per pack.

Front

What is the formula for calculating unit cost?

Back

The formula for calculating unit cost is: Unit Cost = Total Cost ÷ Number of Units.

Front

If Julian bought 5 books for $7, how much does one book cost?

Back

One book costs $7 ÷ 5 books = $1.40.

Front

Why is understanding unit rates important in real-life situations?

Back

Understanding unit rates helps consumers make informed decisions, compare prices, and evaluate the best value for their money.

Front

What is the unit rate of 48 markers in 8 packs?

Back

The unit rate is 6 markers per pack.

Front

How can you express a unit rate in different forms?

Back

A unit rate can be expressed as a fraction, a decimal, or a ratio, depending on the context.