Unit Rates and Constant of Proportionality

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

Which is the better buy? a 12 pack of apple juice for $3.50 or a six pack of apple juice for $1.80?

• The 12 pack of juice

• The 6 pack of juice

• Neither

• They are the same

Does the table represent a proportional relationship?

• Yes.
• No.

Tags

CCSS.7.RP.A.2A

Which statement best describes the relationship between x and y in the table?

• Proportional
• Not Proportional

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

CCSS.6.RP.A.3

Is the given table a proportional relationship? If so, what is the constant of proportionality?

• Yes; 1/3

• Yes; 3

• Yes; 5

• No

The constant of proportionality can be found by finding the __________  _____________.

• unit rate
• ratio rate
• proportion answer
• rational number

Tags

CCSS.7.RP.A.2B

How do you find k? 

• x/y
• y/x
• y=kx
• x ⋅ y

Tags

CCSS.6.EE.C.9

The constant of proportionality in the equation y = ½x is _______. 

• x
• y
• 1/2
• 2

Tags

CCSS.6.EE.C.9

CCSS.6.RP.A.1

CCSS.6.RP.A.2

CCSS.6.RP.A.3

Is this table proportional?

• Yes
• No

Tags

CCSS.7.RP.A.2A

A person can read 20 pages of a book in 1/4 of an hour. What is this person's reading rate in pages per hour?

• 5

• 40

• 60

• 80