Identifying Unit Rates

A rate is a ratio that compares

• A part to a part

• A part to a whole

• Quantities with different units

• Quantities with the same units

Find the unit rate miles per hour.

• 24 miles per hour

• 3 miles per hour

• 1 miles per hour

• 8 miles per hour

Jan ran 5 miles in 48 minutes. What was her time per mile?

• 10 min/mi

• 9.6 min/mi

• about 12 min/mi

• 9.5 min/mi

A major league baseball player was able to hit 70 home runs in 162 games. Create a unit rate for this information.

• 2.3 homeruns per 1 game

• 70 homeruns per 1 game

• 1 homerun per 2.3 games

• cannot be determined

If a person walks 1/2 mile in 1/4 hour, how far does that person walk in 2 hours?

• 2 miles

• 8 miles

• 14 miles

• 4 miles

$279 for 9 concert tickets. Find the cost per ticket.

• $31

• $39

• $2,511

• $34

Density is the ratio of mass to volume. A 3-liter jug of honey has a mass of 4.5kg. Write the density of honey as a unit rate.

• 1 liter-jug has a mass of 13.5kg

• 1-liter jug has a mass of 1.5kg

• 1.5 liter-jug has a mass of 1kg

• not here

Analyze the table. How many kilometers can be traveled in 1/3 hour?

• 1

• 3

• 10

• 20

1500 students and 75 classrooms. Create a unit rate.

• 20 classrooms to 1 student

• 20 students to 1 classroom

• 1,125 classroom to 100 students

• not here

Mrs. Edgar bought an eight pack of bottled water for $4.00.  What was the unit price for the water?

• $32.00

• $0.50

• $3.20

• $5.00