Rates and Unit Rates

Front

What is a rate?

Back

A rate is a ratio that compares two different quantities, often expressed as a fraction. For example, speed is a rate that compares distance to time.

Front

What is a unit rate?

Back

A unit rate is a rate in which the second quantity is one. It tells you how much of one item corresponds to one unit of another item.

Front

How do you calculate the unit rate?

Back

To calculate the unit rate, divide the total quantity by the number of units. For example, if 6 cans of soda cost $2.40, the unit rate is $2.40 ÷ 6 = $0.40 per can.

Front

If 5 pounds of meat cost $5.50, what is the unit rate per pound?

Back

The unit rate is $5.50 ÷ 5 = $1.10 per pound.

Front

What is the formula for finding the unit rate?

Back

Unit Rate = Total Cost / Number of Units.

Front

If Charles can type 675 words in 9 minutes, how many words can he type in 1 minute?

Back

He can type 675 ÷ 9 = 75 words per minute.

Front

What is the cost per apple if 7 apples cost $4.55?

Back

The cost per apple is $4.55 ÷ 7 = $0.65 per apple.

Front

What is the significance of unit rates in real life?

Back

Unit rates help compare prices, speeds, and other quantities, making it easier to make informed decisions.

Front

How can you express a unit rate as a fraction?

Back

A unit rate can be expressed as a fraction where the numerator is the total quantity and the denominator is the number of units, simplified to have a denominator of 1.

Front

What is an example of a rate in everyday life?

Back

An example of a rate is the price of gas, such as $3.00 per gallon.