7.RP.1

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 in 5 hours, the unit rate is 60 miles per hour.

Front

How do you calculate a unit rate?

Back

To calculate a unit rate, divide the quantity of one item by the quantity of the other item. For example, if it takes ½ can of sauce to cover ¾ of a pizza, the unit rate is (1/2) / (3/4) = 2/3 cans of sauce per pizza.

Front

What is the formula for finding the rate?

Back

Rate = Quantity 1 / Quantity 2. This formula helps to find how much of one quantity corresponds to one unit of another quantity.

Front

If a person earns $20.40 for 3 hours of work, how do you find their hourly wage?

Back

Divide the total earnings by the total hours worked: $20.40 / 3 hours = $6.80 per hour.

Front

What is the difference between speed and rate?

Back

Speed is a specific type of rate that measures distance over time, while rate can refer to any comparison of two different quantities.

Front

How do you convert a rate to a unit rate?

Back

To convert a rate to a unit rate, divide both quantities by the same number to simplify it to a per one unit basis.

Front

What is a ratio?

Back

A ratio is a relationship between two quantities, showing how many times one value contains or is contained within the other.

Front

What is an example of a rate in everyday life?

Back

An example of a rate is the price of gasoline, such as $3.50 per gallon.

Front

How can you compare rates?

Back

To compare rates, convert them to unit rates and then compare the values. The higher the unit rate, the faster or more efficient the rate.

Front

What is the unit rate of ¾ gallon in 2 minutes?

Back

To find the unit rate, divide ¾ gallon by 2 minutes: (3/4) / 2 = 3/8 gallons per minute.