Download Week of September 8-12

A review of Unit 2 with error analysis
• The graph below compares cups to pints. Which of the
following ordered pairs would also satisfy this
relationship?
A.
B.
C.
D.
(4, 2)
(2, 4)
(2, 0)
(1, 2)
Disagree
The correct answer is A.
Mr. Hague purchased different types of light bulbs for a jack-o-lantern he created
for Halloween. The information about the bulbs he purchased is shown in the table
below.
Number
Purchased
Total Cost
10-Watt Clear
5
$14.85
13-Watt Warm White
30
$119.40
20-Watt Capsule Bulb
6
$10.74
34-Watt Cool White
90
$147.60
Type of Light Bulb
Agree
Which type of light bulb costs the least amount per light bulb?
34-Watt Cool White
The ratio of girls to boys in a class is 7:4.
If there is a total of 33 students in the
class, how many are girls?
21
Disagree
The table below shows the number of each
item sold at the concession stand.
What might the ratio 2:3 represent?
Item
Popcorn
Nachos
Hot Dog
Candy Bar
Quantity
Sold
20
15
25
30
The number of nachos to candy bars.
Disagree. The number of popcorn to candy bars.
The table below shows the cost for varying number of DVDs. If the
relationship stays the same, determine the value of n.
Number of
DVDs
3
5
12
20
Cost
$21
$35
$84
n
20 DVDs would cost $140.
Agree
Twenty percent of what number is 10?
50
Agree
Using the table below, which ratio
compares the number of music
downloads for Taylor Swift to the
number of music downloads for Shawn
Mendes?
A. 3:4
Name of Group
B. 3:2
C. 4:3
Taylor Swift
D. 2:3
Number of
Music
Downloads
(in
thousands)
8
Justin Beiber
10
Shawn Mendes
12
Disagree. The correct answer is D.
Mrs. Moreland drove 210 miles in 3.5 hours. Ms. Winter drove
244 miles in 4 hours. Who drove at the faster rate of speed per
hour?
Mrs. Moreland drove at the faster rate of speed at 60 miles per
hour.
Disagree. Ms. Winter drove at the faster
rate of speed which is 61 miles per hour
• In a class of 40 students, 25% returned their permission slips for
the school field trip. How many students did not return their
permission slips?
10 students
Disagree. 30 students did not return
their permission slips.
At Kroger, the ratio of apples to grapes is the same as the ratio
of oranges to bananas. If the ratio of apples to grapes is 6:7,
then which of the following statements is possible?
A. There are 14 oranges and 12 bananas
B. There are 12 oranges and 16 bananas
C. There are 18 oranges and 21 bananas
D. There are 12 oranges and 24 bananas
Agree
Which value of x will make these ratios equivalent?
15
45
=
5
𝑥
The value of x should be 15.
Agree
If we know that 6 cups of flour is used to make 30 cupcakes,
figure out how many cupcakes are made with 18 cups of flour?
50 cupcakes are made with 18 cups of flour.
Disagree. 90 cupcakes
The prices of 4 different bottles of lotion are given in
the table.
Which size bottle is the best value?
A. The 25-ounce bottle
B. The 15-ounce bottle
C. The 10-ounce bottle
D. The 5-ounce bottle
Size
Price
24 ounces
$4.50
15 ounces
$2.30
8 ounces
$1.60
4 ounces
$0.95
Agree.
The ratio of boys to girls in a class is 6:4. If there are
60 students in the class, how many are boys?
24 boys.
Boys
Girls
= 60
Disagree. 36 boys are in the class!
Mark and Fred had some money in the ratio
6:1. Mark gave half of his money to Fred. Use the diagram to
find the ratio of the amount of money Mark had left to the amount
of money Fred had in the end.
3:2
Before
After
Disagree. 3:4
The table below represents the ratio of witch hats to
jack-o-lanterns sold for Halloween. Complete the ratio
table and find the value of x.
The value of x is 54.
Witch Hats
Jack-OLanterns
9
36
45
x
15
60
75
90
Agree