WorksheetsMath 7 Final Exam
Total questions: 150
Worksheet time: 5hrs 10mins
Is this table proportional or non-proportional?
A unit rate is
a rate that is simplified so that it has a denominator of 1 unit.
a rate that has a 1 in the numerator.
proportional relationship.
a cute little rate that is fuzzy and cuddly.
Find the unit rate: 750 yards in 25 minutes.
12 yards per minute
25 yards per minute
75 yards per minute
30 yards per minute
Find the unit rate: $6 for 2 burritos
$2 for 1 burrito
$6 for 1 burrito
$0.50 for 1 burrito
$3 for 1 burrito
9 is 45% of what number?
(a)
What percent of 60 is 12?
(a)
Find 72% of 325.
(a)
Find the percent of change from 10 inches to 14 inches.
(a)
Find the percent of change from 48 to 36.
(a)
Subtract.
-7 - 2
-9
9
5
-5
Add.
(-12) + 7
5
-5
19
-19
Add.
-45 + 9
-54
-55
-36
54
Add.
(-1) + (-46) + 10
57
-57
-37
37
Subtract.
40 - (-7) =
33
-33
47
-47
Add.
-32 + 12 =
44
20
-44
-20
Multiply
5(-5) =
10
25
-10
-25
Multiply and Add.
5(-2) + (-10) =
0
62
-20
20
Divide: 44/-4=
11
-8
-11
-1/11
Multiply.
-5( -7)
35
-35
-12
12
Multiply.
(-7)(6)
-13
-48
42
-42
|–5| + 8
|–5 + 1|
Evaluate 5m + 9n if m = -7 and n = 4
71
1
-1
-71
Evaluate 3d if d = 5
3
5
12
15
Evaluate x ÷ 4 if x = 80
4
20
40
80
HINT: Find the difference.
5 2/10
When combining like terms we need to only combine terms with the same ...
variable pattern
coefficient
constant
integer
Combine like terms:
4x + 5y + 3x + 10y
8x + 10y
x + y
9xy + 13xy
7x + 15y
What would come next in the sequence?
4, 7, 10, 13, ____
12
16
14
17
What is the rule for the following sequence?
10, 8, 6, 4, ___
Add -2
Add 2
Add 3
Add -4
Add.
(3x + 7) + (2x - 9)
5x - 16
5x + 2
5x - 2
5x + 16
Subtract.
(10x - 5) - (3x + 6)
7x - 1
13x + 11
7x - 11
13x - 1
Bonus Question:
Who is the main character in the movie Ratatouille?
Ratatouille
Remy
Colette
Anton Ego
Subtract:
(-5x + 8) - (3x + 5)
-8x + 3
-8x - 3
-8x + 13
8x - 3
What is the GCF of:
45 and 15
5
3
15
45
What is the GCF of:
12x and 30xy
3x
6
6x
9
Off topic:
What is the capitol of Pennsylvania?
Philadelphia
Pittsburgh
Hershey
Harrisburg
Factor the expression:
(5x + 10)
cannot be factored
5(x + 2)
10(2x + 1)
5(2x + 1)
Factor the expression:
12x - 15
2(6x - 7)
12(x - 3
6(2x - 3)
3(4x - 5)
Use the distributive property to rewrite:
4(x + 2)
4x + 2
4x + 8
4x - 2
4(x + 2)
What year did the first corvette come out?
1953
2003
1973
1873
Simplify the expression:
3x - (4x + 1) - 10
Remember to distribute the negative!
-7x + 11
-x - 11
x - 9
7x - 9
54 = s + 34
7a = 63
m/8 = 12
3.6k = 7.56
2.8
3.96
0.48
2.1
-11 - 3x = 44
p - 4 < 2
s + 1 ≥ -5
k - 14 ≤ - 10
-5m < 10
x/4 > -3
x > -12
x < -12
x > -7
x < 1
What inequality symbol goes with is at least?
<
>
≤
≥
Match the graph with its inequality. hint: don't be tricked by the variable on the right.
11 < a
11 > a
11 ≤ a
11 ≥ a
6t + 4 ≤ -2
7k – 2 ≥ -9
Area of rectangle?
72 cm2
38 cm2
84 cm2
42 cm2
Area or triangle?
20 cm2
56 cm2
28 cm2
27 cm2
Find the area of the circle
43.96
153.86
87.82
307.72
Find the area of the circle
56.52
254.34
1017.36
113.04
Find the area
41
45
44
43
What is the area of the triangle?
24 in2
12 in2
6 in2
3.5 in2
Area of triangle?
17 units2
20 units2
10 units2
16 units2
What is the area of the shaded region?
14 m2
120 m2
106 m2
134 m2
296.96 m2
248.96 m2
98.24 m2
73.12 m2
Find the are of the shape.
23 sq in
26 sq in
20 sq in
17 sq in
If my diameter is 19 inches, what is my radius?
38 inches
9.5 inches
59.66 inches
119.32 inches
If my radius is 10ft, what is my diameter?
20ft
5ft
31.4ft
62.8ft
What is the distance around a circle?
Circumference
Area
Diameter
Radius
For this question a number cube labeled one through six is rolled.
Find the probability of rolling a 2 or 4.
Find P(2 or 4).
1/4
1/3
1/6
1/5
For this question a number cube labeled one through six is rolled.
Find P(greater than 2).
1/6
1/3
2/3
1/2
Brenda can choose between 2 pairs of pants and 3 shirts. How many outfits are possible?
5
6
12
24
A spinner with four equal-size sections marked M, A, T, and H is spun 100 times. The results are shown above.
What is the theoretical probability of landing on A?
26/100
1/4
13/50
1/5
A spinner with four equal-size sections marked M, A, T, and H is spun 100 times. The results are shown above.
What is the experimental probability of landing on a vowel?
13/50
74/100
1/4
37/50
A spinner with four equal-size sections marked M, A, T, and H is spun 100 times. The results are shown above.
Which statement is true about comparing the theoretical probability to the experimental probability of landing on H.
1/4 < 21/100
12/50 > 1/4
1/4 < 7/25
1/4 > 7/25
Manny rolls a number cube labeled 1 through 6 and spins a spinner with four equal sections, labeled 1, 2, 3, and 4. If both numbers are odd, he wins. Otherwise, Gabriel wins. Use a list to find the sample space. Then find the probability that Gabriel wins.
1/4
1/2
17/25
3/4
Which of these is a model that you could use to simulate the outcome of guessing the correct answers to a 25-question true-false test.
Flip a coin 25 times
Spin a spinner with 4 equal sections 25 times
Spin a spinner with 3 equal sections 25 times
Flip a coin, then spin a spinner 25 times
Find the theoretical probability that the spinner below lands on the letter C. Write your answer as a fraction in simplest form
(a)
A bag contained one red, one blue, and one green ball. Each ball in the bag is the same size and shape. Mr. Smith selected a ball from the bag without looking, recorded the color, and returned the ball to the bag. He did this four times, and the results were red, green, blue, green. Determine the experimental probability of Mr. Smith selecting a red ball from the bag
21
41
31
52
The manager of a hotel wants to know how often his customers rent boats at a nearby lake. Which sampling method will give valid results?
He asks every tenth customer who checks into the hotel.
He posts a question on the hotel’s Web site.
He randomly surveys households in the neighborhood.
He asks every customer in the hotel lobby at noon.
To survey a town about traffic concerns, Himani divided the town into eight
regions and randomly chose 10 households from each region. What type of
sample did she form?
simple random sample
systematic random sample
biased sample
convenience sample
Five out of seven teens said they do homework every night. What is a reasonable prediction for the number of teens out of 980 who would do homework every night?
57
140
350
700
Use the data set $8, $10, $15, $8, $12, $13, $8 and $11. Which measure of center would you use to convince people that the prices are low?
mean
median
mode
none of these
Which of the following is an appropriate display to show the prices of gasoline over the past 3 weeks?
bar graph
line graph
circle graph
histogram
Which of the following is an appropriate display to show the heights of buildings arranged by intervals?
bar graph
line graph
circle graph
histogram
The bar graph compares the number of students that received a grade of an A, B, C or D in Ms. Logan’s classroom. Which statement best tells why the graph could be misleading?
The intervals on the vertical axis are not equal.
The graph title is misleading.
The intervals on the vertical axis make it appear that the number of students that received each grade are nearly the same.
The graph should be a line graph.
The double line plot shows the number of students who attended the home games of the baseball team for two recent seasons.
Which of the following statements is not true?
The attendance for 2009 was more varied.
The attendance for 2010 was more consistent.
The attendance for 2009 peaked at 23 students.
The attendance for 2010 ranged from 20 to 27.
A survey showed that 90% of students would select roller coasters as their favorite ride at an amusement park. Out of 5,000 students, predict how many would select roller coasters as their favorite ride?
4500
500
450
50
The Student Council asked every tenth student in the lunch line how they preferred to be contacted with school news. The results are shown in the table. Is this an unbiased sample? If yes, suppose there are 684 students at the school. How many can be expected to prefer E-mail?
No, it's a biased sample
432
304
16
To determine the number of umbrellas the average household in the United States owns, a survey of 100 randomly selected households in Arizona is conducted. Of the households, 24 said that they own 3 or more umbrellas. The researcher concluded that 24% of the households in the United States own 3 or more umbrellas. Is the this a valid conclusion? Justify your answer.
Valid. The sample is biased.
Not valid. The sample is biased.
Valid. The sample is unbiased.
Not valid. The sample is unbiased.
The mean of this data set is 17.8. What would happen to the mean if 40 was added to the data set?
The mean would not change
The mean would go up
The mean would go down
