Constant of Proportionality

If Will biked 40 miles in 2.5 hours, what is his unit rate in miles per hour?

• 100 miles per hour

• 16 miles per hour

• 0.0625 miles per hour

• 20 miles per hour

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Rania spent $225 on 6 Funko Pop figures.

Which of the following unit rates makes the most sense?

• 37.5

• $37.50 for each figure

• 37.5 figures per dollar

• 0.027 figures per dollar

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

A car travels 50 km in 40 minutes.

How many km does the car travel in 20 minutes?

• 25 km

• 60 km

• 1.25 km

• 70 km

Tags

CCSS.6.RP.A.3B

Hector folded 12 shirts in 4 minutes in Kohl's. How many shirts would he fold in 10 minutes?

• 3 shirts

• 120 shirts

• 40 shirts

• 30 shirts

Tags

CCSS.6.RP.A.3B

The scale of a map says that 6 cm represents 15 km.

What distance on the map represents an actual distance of 6 kilometers?

• 3.6

• 2.5

• 2.4

• .42

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

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.2B

Identify the constant of proportionality.

• k = 6

• k = 12

• k = 1/6

• k = 1/12

• none (not proportional)

Tags

CCSS.7.RP.A.2B

Identify the constant of proportionality.

• k = 25

• k = 50

• k = 100

• k = 1/50

• none (not proportional)

Tags

CCSS.7.RP.A.2B

What does the point (1, 45) mean in the problem?

• The boat travels for 45 miles for every 45 hours

• The boat travels 1 mile for every 45 hours

• The boat travels 45 miles for every 1 hour

• The boat travels 1/45 mile for every 1 hour

Tags

CCSS.7.RP.A.2D