Rates, Ratios, Unit Rate, Constant of Proportionality

Tyler earned $76 for babysitting 8 hours. If Tyler is paid the same rate, how much will he earn for babysitting 12 hours?

• $9.50

• $76

• $114

• $608

Tags

CCSS.6.RP.A.3B

A car travels 132 miles on 4 gallons of gas. At the same rate, how many gallons of gas are needed to travel 231 miles?

• 7 gallons

• 12 gallons

• 33 gallons

• 35 gallons

Tags

CCSS.6.RP.A.3B

Write the equation for the table given.

• y = 1/3x

• y = 3x

• y = 1/2x

• y=x

Tags

CCSS.6.EE.C.9

Michelle makes bracelets at a rate that is proportional to the number of hours she has worked.

Which table could represent how many total bracelets, y, Michelle can make after working x hours?

• 
• 
• 
• 

Tags

CCSS.7.RP.A.2B

What makes a graph proportional?

• Straight Line

• The line goes through (0,0)

• Curvy line

• Straight line and passes through (0,0)

Tags

CCSS.7.RP.A.2D

The points on the coordinate grid represent the costs for the different numbers of peaches.
Select the statement that is FALSE about the graph.

• There is a proportional relationship between the number of peaches and the cost because a line can be drawn passing through the origin and connecting all the points shown.

• The point (4,3) represents the cost of $4 for 3 peaches.

• The point (1, 0.75) can be used to represent the unit rate of 0.75 dollars per peach.

• The x-axis shows the number of peaches, the y-axis shows cost in dollars

Tags

CCSS.7.RP.A.2D

What is the constant of proportionality? 

• 1

• 6

• 1/6

• 2

Tags

CCSS.7.RP.A.2B

Mr. Wright has 7 boys and 9 girls. What is the ratio of girls to boys?

• 7 to 9

• 9 to 7

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Janet used 155 beads to create 5 necklaces.  What is the constant of proportionality?  (How many beads did she use to make each necklace?)

• 31

• 51

• 33

Tags

CCSS.7.RP.A.2B

Does this graph show a proportional relationship?

• yes

• no

• you cannot tell

Tags

CCSS.7.RP.A.2D