Rates Ratios and Unit Rate

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

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

Jenna can make 4 baskets in 1/2 hour. How many baskets can she make in 5 hours?

• 8

• 10

• 20

• 40

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

What is a Ratio?

• Is a comparison of two quantities 

• A rate with a denominator of one

• It is when the only factor the numerator and denominator share is a one 

• Two decimals that can be multiplied

Mr. Wright has 7 boys and 9 girls. What is the ratio of girls to boys?

• 7 to 9

• 9 to 7