Proportions or Not

Janet used 155 beads to create 5 necklaces. What is the constant of proportionality of beads per necklace

• 31

• 775

• 160

• 150

Tags

CCSS.7.RP.A.2B

Ben earns extra money as a painter. He earns $41 for 4 hours and $71.75 for 7 hours. What is the constant of proportionality of dollars per hour?

• $37

• $64.75

• $10.25

• $18.50

Tags

CCSS.7.RP.A.2B

What is the constant of proportionality?

• 1

• 2

• 3

• 4

Tags

CCSS.7.RP.A.2B

Is this table proportional or non-proportional?

• Non-Proportional because there is no COP

• Proportional because the COP is 4

• Non-Proportional because is does not go through the origin

Tags

CCSS.7.RP.A.2B

Is this table proportional?

• yes because it will go through the origin and is a straight line

• no because the C.O.P. for each line is different

• yes because it increases by 1

• no because there is no origin

Tags

CCSS.7.RP.A.2A

What does the point (2,4) represent?

• They get 2 cm of rain in 4 hours

• In 2 hours it rains 4 cm

• ¹/₂ cm per hour

• 1/2 hour per 1 cm of rain

Tags

CCSS.7.RP.A.2D

How do I find the constant of proportionality (k=?)?

• k = x/y

• k = 2x

• k = y/x

• k = 2y

Tags

CCSS.7.RP.A.2B

What is the constant of proportionality for the table above?

• X 2

• X 1/2

• X 3

• None of the above

Tags

CCSS.7.RP.A.2B

What is the unit rate in this proportional relationship?

• 60 miles/1 hour

• 120 miles/ 2 hours

• 1 mile/ 1 hour

Tags

CCSS.7.RP.A.2D

What is the ratio of red apples to green apples

• 7 apples to 3 green

• 4 red apples to 7 apples

• 4 red apples to 3 green apples

• 3 green apples to 4 red apples

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2