Font size
S
M
L
XL
WorksheetsSquare roots and Cube roots
Total questions: 23
Worksheet time: 17mins
Name
Class
Date
1.
Square root of 16 is....
a)
8
b)
4
c)
2
d)
3
2.
The square root of 256 is...
a)
15
b)
18
c)
13
d)
16
3.
Is 225 a perfect square?
a)
Yes
b)
No
4.
True or false? 9² is 18
a)
True
b)
False
5.
-√144
a)
12
b)
13
c)
-12
d)
None of the above
6.
the square root √-25 is..
a)
5
b)
-5
c)
8
d)
none of the above
7.
b²=361
b=...
b=...
a)
19
b)
20
c)
16
d)
17
8.
The area of a square painting is 81 cm2. What is the side length of the painting?
a)
40.5 cm
b)
162 cm
c)
6,561 cm
d)
9 cm
9.
Solve.
√9 × √100
√9 × √100
a)
30
b)
-200
c)
900
d)
90
10.
63 = ?
a)
196
b)
206
c)
216
d)
226
11.
Select all perfect cubes
a)
2
b)
8
c)
27
d)
64
e)
9
12.
8116 =
a)
4/9
b)
8/27
c)
8/9
d)
4/3
13.
(65)2 =
a)
25/36
b)
10/12
c)
5/6
d)
52/62
14.
0.81=
a)
0.9
b)
0.27
c)
0.09
d)
0.3
15.
33431000=
a)
100/7
b)
10/7
c)
10/49
d)
100/49
16.
3125512=
a)
12/25
b)
6/5
c)
8/5
d)
8/10
17.
Which point most closely corresponds to ∛8 on the number line below? (Click the question to see the picture)
a)
P
b)
Q
c)
R
d)
S
18.
Find the approximate value of √30 to the tenths place.
a)
4.8
b)
5.5
c)
6.5
d)
7.2
19.
Find the square root.
a)
4/5
b)
2/3
c)
-4/5
d)
-2/3
20.
A cube with side length s has a volume of 64 cubic units. What is the length of the side of the cube?
a)
32 units
b)
16 units
c)
8 units
d)
4 units
21.
251 Round to the nearest hundredth
a)
16.84
b)
15.84
c)
14.54
d)
6
22.
Find 58 . Round to the nearest hundredth
a)
29
b)
6.62
c)
7.62
d)
8.61
23.
14+35−20 =
a)
-13
b)
29
c)
13
d)
-29
Reset
