Ratios and Proportions: Assessment Extra Credit
Price
Size
The 
The costs of different sizes of bottled sport 
drink are shown. Which bottle costs the least 
per ounce?
8 oz.
$0.89
oz bottle has the lowest cost per ounce.
16 oz.
$1.09
$1.89
24 oz.
32 oz.
$2.39
Rupert drove home at an average rate of 
58 miles per hour. Find his rate in feet per 
second. Round to the nearest tenth.
Rupert drove about           feet per second.
Earnings ($)
Hours (h)
Determine if the situations represent proportional relationships. 
The table shows the amount Maggie earns each hour she babysits.
No, it is not proportional
Yes, it is proportional
12
2
18
3
24
4
Cost ($)
Bottles
Determine if the situations represent proportional relationships. 
The table shows the cost of shampoo at a discount store.
No, it is not proportional
Yes, it is proportional
$2.95
1
$4.50
2
$6.05
3
Myra can fill 9 glasses of iced tea with 1 container, and and she knows that there is a proportional relationshipbetween the number of glasses and the number ofcontainers.  
Containers
Glasses
Use the following information to complete the table below
9
1
18
?
2
27
?
3
?
36
4
45
?
5
54
?
6
?
2
-2
4
-4
6
-6
2
-2
4
-4
6
-6
8
-8
10
-10
Does this graph represent
a proportional relationship?
Yes
No
2
-2
4
-4
6
-6
2
-2
4
-4
6
-6
8
-8
10
-10
Write the equation for 
the proportional
relationship.
How much would she earn for 17 hours of work? $
Two weeks ago, Audrey earned $84 for 7 hours of work.This week, she earned $132 for 11 hours of work.
Write an equation to represent the situation.
What is her pay rate?
dollars per hour.
2
-2
4
-4
6
-6
2
-2
4
-4
6
-6
8
-8
10
-10
What is the rate of change?
Drag and drop the 
ordered pairs to the 
correct locations.
(2,3)
?
(4,6)
?
y=4x+1
y=7.5x
y=1/15x
y=6x
Determine which relationships are proportional.
Yes
Yes
Yes
Yes
No
No
No
No
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