7.RP.1

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 item.

Front

How do you calculate a unit rate?

Back

To calculate a unit rate, divide the quantity by the number of units. For example, if Alexia earns $20.40 for 3 hours of work, her unit rate is $20.40 ÷ 3 = $6.80 per hour.

Front

What is the unit rate for Emily who reads ⅝ page in ⅔ minute?

Back

The unit rate is 15/16 pages per minute.

Front

If Buddy fills his bucket at a rate of ¾ gallon in 2 minutes, what is his unit rate?

Back

Buddy's unit rate is ¾ ÷ 2 = ⅜ gallons per minute.

Front

What is the definition of a rate in mathematics?

Back

A rate is a ratio between two related quantities that have different units of measure.

Front

How do you compare rates?

Back

To compare rates, convert them to the same unit or find the unit rate for each quantity.

Front

What is the unit rate for flour used to make waffles if 1 cup of flour makes 8 waffles?

Back

The unit rate is ⅛ cups of flour per waffle.

Front

If Jasper can fill her bucket at a rate of ⅕ gallons in ½ minute, what is her unit rate?

Back

Jasper's unit rate is ⅕ ÷ ½ = ⅖ gallons per minute.

Front

How do you determine who has the fastest rate among multiple people?

Back

Calculate the unit rate for each person and compare the values; the highest unit rate indicates the fastest rate.

Front

What is the unit rate for Kelton who fills ⅜ gallons in ½ minute?

Back

Kelton's unit rate is ⅜ ÷ ½ = ¾ gallons per minute.