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WorksheetsYEAR 9 FRIDAY QUIZ
Total questions: 60
Worksheet time: 2hrs 4mins
Name
Class
Date
1.
Dr. Dre is a dentist. He needs to report on the average number of cavities that his patients have.
1,0,1,5,6,3,4
1,0,1,5,6,3,4
a)
3.33
b)
2.85
c)
3
d)
3.5
2.
At Donald's Donuts the number of donut holes in a bag can vary. Help Donald find the mode.
12,10,10,10,13,12,11,13,10
12,10,10,10,13,12,11,13,10
a)
13
b)
12
c)
11
d)
10
3.
Find the mean of these numbers:
5,11,2,12,4,2
5,11,2,12,4,2
a)
4.1
b)
6
c)
4.5
d)
4
4.
Find the median of these numbers:
4,2,7,4,3
4,2,7,4,3
a)
2
b)
5
c)
7
d)
4
5.
Find the mean of these numbers:
2, 57, 38, 42, 6
2, 57, 38, 42, 6
a)
29
b)
38
c)
50
d)
145
6.
If there is an even number of data in the data set how do you find the median?
a)
order the data and find the middle value
b)
order the data add the 2 middle values and divide by 2
7.
The mode score on the 6th grade math test was 94! Which of these interpretations must be correct?
a)
99 was the highest score on the test.
b)
More students received a 94 than any other score
c)
No student scored below a 50
d)
A score of 91 was slightly below average.
8.
Find the mode:
5, 0, 9, 9, 3, 0, 5, 5, 4
5, 0, 9, 9, 3, 0, 5, 5, 4
a)
9
b)
5
c)
3
d)
7
9.
Find the mean:
28, 18, 19, 18, 17
28, 18, 19, 18, 17
a)
20
b)
18
c)
11
d)
19
10.
Can there be more than one mode?
a)
Yes
b)
No
11.
What is the mean of these numbers?
4,5,5,2,3,3,2,8
4,5,5,2,3,3,2,8
a)
40
b)
24
c)
4
d)
256
12.
Find the mean:
28, 18, 19, 18, 17
28, 18, 19, 18, 17
a)
20
b)
18
c)
11
d)
19
13.
Calculate the mean.
10, 4, 5, 9
a)
7
b)
5
c)
8
d)
4
14.
Calculate the mean.
16, 5, 7, 12
a)
9
b)
6
c)
12
d)
10
15.
What is another word for AVERAGE?
a)
Mode
b)
Median
c)
Mean
d)
Not nice
16.
What is the mode of this data set?
1.75, 1.5, 2, 0, 1.75, 4
a)
4
b)
1.75
c)
0
d)
2
17.
What is the mode of this data set?
1, 3, 2, 5, 12, 3, 4
a)
4
b)
3
c)
12
d)
1
18.
-6k + 7k=
a)
k
b)
-k
c)
12k
d)
-12k
19.
n -10 +9n -3=
a)
-3
b)
9n-3
c)
n
d)
10n -13
20.
-r -10r
a)
11r
b)
-11r
c)
9r
d)
-11
21.
12r - 8 -12
a)
8
b)
12r + 4
c)
12r -20
d)
-8
22.
11r - 12r
a)
13r
b)
-1
c)
-r
d)
13
23.
5(a + 6)
a)
5a + 6
b)
a + 30
c)
5a + 30
d)
5a - 30
24.
2(c - 8)
a)
2c - 16
b)
2c + 16
c)
2c - 8
d)
c - 16
25.
4(-p - 6)
a)
4p - 24
b)
4p + 24
c)
-4p + 24
d)
-4p - 24
26.
-3(2c - 5)
a)
-6c - 15
b)
-6c + 15
c)
6c + 15
d)
6c - 15
27.
Write 62 x 63 as a single power
a)
7776
b)
66
c)
65
d)
365
28.
Write 95 ÷ 93 as a single power
a)
92
b)
98
c)
915
29.
a)
x2
b)
x6
c)
x5
d)
x-6
30.
Write 95 ÷ 93 as a single power
a)
92
b)
98
c)
915
31.
Evaluate 64
a)
216
b)
24
c)
1296
d)
6 x 6 x 6 x 6
32.
Evaluate 23 + 32
a)
72
b)
36
c)
12
d)
17
33.
√81
a)
9
b)
10
c)
8
d)
6
34.
√100
a)
15
b)
10
c)
11
d)
12
35.
√256
a)
14
b)
16
c)
13
d)
17
36.
√400
a)
20
b)
19
c)
14
d)
18
37.
132 = ______
a)
225
b)
196
c)
169
d)
166
38.
192 = _____
a)
400
b)
360
c)
324
d)
361
39.
4 + N = 8, What is N
a)
2
b)
3
c)
4
d)
5
40.
R - 8 = 12 , R = ?
a)
19
b)
20
c)
21
d)
22
41.
5 x M= 20, M = ?
a)
3
b)
4
c)
5
d)
6
42.
M- 14= 25, what does M =?
a)
37
b)
38
c)
39
d)
40
43.
Translate:
2 less than x
2 less than x
a)
2 – x
b)
x – 2
c)
2x – 2
d)
x + 2
44.
Translate:
The product of 7 and x increased by 6
The product of 7 and x increased by 6
a)
7x + 6
b)
(7/x) + 6
c)
(7 – x) + 6
d)
7 + x + 6
45.
Translate:
The difference of x and 9
The difference of x and 9
a)
9 – x
b)
x – 9
c)
9x
d)
x/9
46.
4(1 + x)
a)
four times the sum of one and a number
b)
four more than the sum of one and a number
c)
the product of four and a number
d)
the product of four and a number increased by one
47.
(−x)×x =
a)
-2x
b)
−x2
48.
2a×2b =
a)
2ab
b)
4ab
49.
b×(−b)=
a)
−b2
b)
-2b
50.
−8p−p=
a)
−8p2
b)
−7p
c)
−9p
51.
j×j×j×j=
a)
4j
b)
j4
52.
y+y+y+y=
a)
y4
b)
4y
53.
−q−q−q−q=
a)
−4q
b)
−q4
54.
6x - 2 - 7x + 4 - x
a)
-2x + 2
b)
-2x - 2
c)
2x - 6
d)
x + 2
55.
-3(x - 3) + 6(x + 1)
a)
3x + 6
b)
3x + 4
c)
-3x + 16
d)
3x + 15
56.
4a + 8 = -20
a)
-6
b)
-7
c)
3
d)
-3
57.
If y=4,find the value of 3y+5
a)
27
b)
12
c)
17
58.
If x=5,find the value of 7x-1
a)
34
b)
36
c)
35
59.
If a = 4 b = 6, what is 3a + 5b?
a)
40
b)
42
c)
44
d)
46
60.
If y=7,find the value of 2(y+4)
a)
11
b)
22
c)
20
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