Unit Rates and Proportional Relationships

Which table shows a proportional relationship between x and y ?

• 
• 
• 
• 

Tags

CCSS.7.RP.A.2A

The baseball team had 18 players. There were 4 coaches on the team. What is the ratio of players to coaches?

• 18 to 4

• 22 to 18

• 18 to 22

• 4 to 18

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Steve swam 20 laps in 35 minutes. Sue swam 27 laps in 48 minutes. Are these rates the same?

• Yes, the rates are the same

• No, Steve's rates per hour is greater than Sue's

• No, Sue's rate per hour is greater than Steve's

• Ham sandwich

Tags

CCSS.6.RP.A.3B

Pedro can buy an 18-ounce bottle of ketchup for $2.39 or a 24-ounce bottle for $3.39. Which bottle is the best buy and what is the unit rate?

• $2.39 bottle; 13 cents

• $3.39 bottle; 14 cents

• $2.39 bottle; $7.53

• $3.39 bottle; $7.08

Tags

CCSS.6.RP.A.3B

Shawn works as a mechanic and worked 18 hours last week, earning $391.50. At that rate, how much will he earn if he works for 25 hours?

• $508.50

• $528.25

• $543.75

• $560.25

Tags

CCSS.6.RP.A.3B

Using the formula y = kx, if y = 32 and k = 8, what is the value of x?

• 256

• 40

• 24

• 4

Tags

CCSS.7.RP.A.2C

Identify the constant of proportionality.

• k = 2

• k = 3

• k = 1.50

• k = 2/3

• none (not proportional)

Tags

CCSS.7.RP.A.2B

What does the point (3, 5) represent on the graph?

• It shows for every 3 gallons of yellow you need 5 gallons of blue

• It shows for every 3 gallons of blue you need 5 gallons of yellow

• It shows the unit rate is 3 gallons of yellow per gallon of blue

• It shows the unit rate is 5 gallons of blue per gallon of yellow

Tags

CCSS.7.RP.A.2D

Is the graph proportional or non-proportional?

• Proportional
• Non-Proportional

Tags

CCSS.7.RP.A.2D

• Proportional

• Non-proportional

Tags

CCSS.8.EE.B.5