Constant of Proportionality, Unit Rates, and Constant Rates

There is a proportional relationship between the number of kids in a group, x, and the total number of caramel chews Paco gives to that group, y. What is the constant of proportionality?

• k = 4

• k = 2

• k = 5

• k = 1

Tags

CCSS.7.RP.A.2B

Which equation would match this proportional relationship?

• y = 9x

• y = 2x

• y = 3x

• y = 5x

Tags

CCSS.7.RP.A.2C

What is the constant of proportionality in the equation?
y = -2x

• k = -2

• k = 2

• k = 1

• k = -1/2

Tags

CCSS.7.RP.A.2B

What is the constant of proportionality in the equation?
y = 1/8x

• k = 1/8

• k = -1/8

• k = 1/4

• k = -1/2

Tags

CCSS.7.RP.A.2B

If Megan drives for 7 hours, how many miles will she have driven?

• 315 miles

• 320 miles

• 280 miles

• 45 miles 

Tags

CCSS.6.RP.A.3B

If I have one can of paint, how many bird houses can I paint? Hint: Find the unit rate!

• 3 Houses

• 10 Houses

• 20 Houses

• 15 Houses

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

What is the Constant of Proportionality? 

• k = 4

• k = 6

• k = 2

• k = 5

Tags

CCSS.7.RP.A.2B

Which equation would match this proportional relationship?

• y = 3x

• y = 5x

• y = 10x

• y = 2x

Tags

CCSS.7.RP.A.2C

Which equation would match this proportional relationship?

• y = 45x 

• y = 30x 

• y = 15x 

• y = -45x

Tags

CCSS.7.RP.A.2C

Which equation would match this proportional relationship?

• y = 3x

• y = -3x

• y = 15x

• y = -15x

Tags

CCSS.8.EE.B.5