Proportional Relationships/Unit Rate

Which of these is a unit rate?

• 15 feet per 3 seconds

• 100 miles per hour

• $64 per 5 bags of kiwis

• $1.50 per 2 bottles

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

How do you find the constant of proportionality from a table?

Tags

CCSS.7.RP.A.2B

Find the unit rate of 624 calories in 3 servings.

• 1,872 calories per serving
• 208 calories per serving
• 624 calories per serving
• 621 calories per serving

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Is the given table a proportional relationship? If so, write an equation that relates y to x.

• Yes;  y=1/3x
• Yes;  y=3x
• Yes;  y=5x 
• No

Tags

CCSS.7.RP.A.2C

Perry earned $96 shoveling snow from 8 driveways.  At that rate, how much would he have made if he had shoveled only 6 driveways?

• $120
• $12
• $84
• $72

Tags

CCSS.6.RP.A.3B

Determine if the table above is proportional and how do you know?

• The table is proportional because the unit rate is a constant 0.33.
• The table is proportional because it passes through the origin.
• The table is proportional because the unit rate is a constant 0.28
• The table is not proportional because the unit rate is not constant.

Tags

CCSS.7.RP.A.2A

What is the constant of proportionality based on the table above?

• 1/75
• 75
• 1
• 0

Tags

CCSS.7.RP.A.2B

The cost, c, of potato salad by its weight in pounds, p, at a deli is given in the table above.  Which equation best models this data.

• c = .29p
• c = 3.5p
• p = .29c
• p = 3.5c

Tags

CCSS.7.RP.A.2C

Using the table above, determine which statement is correct.

• The table is proportional and the unit rate is 100.
• The table is not proportional because the unit rate is not constant.
• The table is not proportional because it doesn't pass through the origin.
• The table is proportional and the unit rate is 0.01.

Tags

CCSS.7.RP.A.2A

The number of trees and the number of apples are given in the table above.  Determine which statement below is correct.

• The table is not proportional because the unit rate is not constant.
• The table is proportional and the unit rate is 1/13
• The table is proportional and the unit rate is 13.
• The table is not proportional because it doesn't pass through the origin.

Tags

CCSS.7.RP.A.2A