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WorksheetsPerfect Squares and Roots
Total questions: 47
Worksheet time: 59mins
Name
Class
Date
1.
If x = 4, what is x2?
a)
16
b)
8
c)
100
d)
56
2.
Square root of 16 is....
a)
8
b)
4
c)
2
d)
3
3.
True or false? 9² is 18
a)
True
b)
False
4.
The square root of 256 is...
a)
15
b)
18
c)
13
d)
16
5.
4
a)
Is a perfect square.
b)
Is not a perfect square.
6.
65
a)
Is a perfect square.
b)
Is not a perfect square.
7.
169
a)
Is a perfect square.
b)
Is not a perfect square.
8.
√ 81
a)
8
b)
7
c)
10
d)
9
9.
√ 64
a)
4
b)
6
c)
9
d)
8
10.
142
a)
169
b)
196
c)
28
d)
144
11.
132
a)
26
b)
196
c)
144
d)
169
12.
112
a)
132
b)
144
c)
121
d)
22
13.
72
a)
50
b)
49
c)
14
d)
48
14.
Which of the following is a perfect square?
a)
24
b)
48
c)
81
d)
110
15.
√36
a)
3
b)
18
c)
6
d)
7
16.
92
a)
81
b)
100
c)
80
d)
72
17.
82
a)
16
b)
64
c)
24
d)
10
18.
12
a)
1
b)
2
19.
√25
a)
12
b)
13
c)
5
d)
625
20.
√ 36
a)
4
b)
6
c)
12
21.
What is a square root
a)
A number to the second power
b)
A square that has roots on it
c)
A number divided by 2
d)
Square roots are numbers that produce a specified quantity when multiplied by itself
22.
What is the square root of 144?
a)
4
b)
12
c)
16
d)
32
23.
What is √196?
a)
14
b)
16
c)
46
d)
98
24.
How can 132 be written as a square root?
a)
√15
b)
√26
c)
√169
d)
√196
25.
What is equivalent to √49
a)
72
b)
62
c)
82
d)
5
26.
√100
a)
15
b)
10
c)
11
d)
12
27.
√16
a)
4
b)
8
c)
2
d)
9
28.
√400
a)
20
b)
19
c)
14
d)
18
29.
√1
a)
2
b)
1
c)
10
d)
11
30.
Evaluate. 73
a)
313
b)
323
c)
333
d)
343
31.
What is the cube root of 27?
a)
9
b)
3
c)
-3
d)
-9
32.
Evaluate. 83
a)
512
b)
398
c)
43
d)
764
33.
Find the AREA of this figure.
a)
20 square feet
b)
20 cm
c)
25 square cm
d)
20 cm sq.
34.
The volume of a cube is 1,000 cm3. What is the length of each side of the cube?
a)
1
b)
10
c)
100
d)
300
35.
a)
9
b)
3
c)
1/3
d)
1
36.
What is the cube root of 125?
a)
5
b)
-5
c)
25
d)
-25
37.
What is the cube root of 8?
a)
4
b)
2
c)
-2
d)
-4
38.
Solve each equation for x:
a)
4
b)
4 and -4
c)
16 and -16
d)
16
39.
Solve each equation for x:
a)
9
b)
3
c)
6
d)
12
40.
If x =12, what is x2?
a)
144
b)
24
c)
36
d)
108
41.
If a = 6, and b = 3, solve a2 + b2.
a)
45
b)
18
c)
9
d)
88
42.
If x = 5, what is x2 + 10?
a)
20
b)
24
c)
35
d)
100
43.
If x = 8, what is x2?
a)
64
b)
16
c)
27
d)
8
44.
If x = 3, what is x2?
a)
9
b)
6
c)
45
d)
27
45.
If 10 + x2 = 35, what is x? (Must take the square root of x2)
a)
5
b)
25
c)
-2
d)
-25
46.
If x = 10, what is 103?
a)
1,000
b)
100,000
c)
5
d)
30
47.
If x = 9, what is x2 - 80?
a)
-62
b)
1
c)
161
d)
54
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