Identifying Rates

Yumi takes 5/12 hour to complete

50 math problems. Eric is able to

complete 48 math problems in 2/5 hour.

Which student can complete math

problems at a greater rate of problems

per hour?

Maggie’s home computer downloads

a 7-megabyte program in 5/6 minutes.

Brooke’s home computer takes

1 1/4 minutes to download a 9-megabyte

program. Whose computer downloads

at a greater rate of megabytes

per minute?

Determine if each situation represents a proportional relationship. Explain your reasoning.

(See Image)

Beth drove 45 miles and used 3 3/4 gallons of gas. Martha drove

85 miles and used 5 2/3 gallons of gas.

Which driver used fewer gallons

of gas per mile?

A rate written as 50 miles per hour is an example of a ____________________________

• quantity

• mass

• unit rate

• equivalent ratio

A unit rate is a rate in which the unit in the denominator is:

• 100

• 1

• 10

• 1000

unit rate is a rate in which the unit in the denominator is:

• 0

• 3

• 1

• 2

unit rate is a rate in which the unit in the denominator is:

• 0

• 3

• 1

• 2

When a rate is expressed as a unit of one...

• unit rate

• scale factor

• proportion

• decimal

At a bus station, busses depart at a rate of 3 every 10 minutes. At this rate, how many busses would depart in one hour?

• 3 busses

• 10 busses

• 13 busses

• 18 busses