Unit Rates and Proportions

What mathematical operation does unit rates involve?

• addition
• subtraction
• multiplication
• division

Tags

CCSS.7.EE.B.3

You travel 150 miles on 5 gallons. How far did you travel per gallon?

• 15 miles
• 30 miles
• 3 miles
• 25 miles

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

If Justin ordered 5 ice cream bars for $12.25, how much was each ice cream bar?

• $2.45
• $4.00
• $7.25
• $1.25

Tags

CCSS.6.NS.B.3

In an animal shelter, there are 5 dogs for every 20 cats. Which rate best represents the relationship between dogs and cats?

• 10 dogs for every 40 cats
• 1 dog for every 5 cats
• 2 dogs for every 10 cats
• 12 dogs for every 50 cats

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

When are unit rates useful? Choose the best answer.

• When you want to subtract a number by another.
• When you want to multiply one number by another.
• When you want to compare prices.
• When you want to figure out the probability of a number.

Tags

CCSS.6.RP.A.3B

Mr. Foster drove 160 kilometers in 2 hours. What is the distance he can travel in 6 hours?

• 540
• 48
• 480
• 54

Tags

CCSS.6.RP.A.3B

What is the unit rate for the rain fall?

• 2 cm per hour
• 1 cm per hour
• ¹/₂ cm per hour
• 4 cm per hour

Tags

CCSS.8.EE.B.5

Craig earns extra money as a lifeguard. He earns $37 for 4 hours and $64.75 for 7 hours.  What is the constant of proportionality (how much did he make per hour)?

• $37
• $64.75
• $9.25
• $18.50

Tags

CCSS.7.RP.A.2B

• Proportional

• Non-proportional

Tags

CCSS.7.RP.A.2D

• Proportional

• Non-proportional

Tags

CCSS.8.EE.B.5