WorksheetsCHAPTER 3 : Squares, Square roots, Cubes & Cube Roots
Total questions: 11
Worksheet time: 13mins
Name
Class
Date
1.
Wgich of the following is a perfect square?
a)
-9
b)
253
c)
1611
d)
121
2.
Find the value of ( - 0.4)2.
a)
0.16
b)
0.64
c)
16
d)
64
3.
Given
625 = 25Thus, 252 =
a)
1000
b)
625
c)
100
d)
25
4.
Which of the following is not a perfect square?
a)
1
b)
121
c)
160
d)
225
5.
( −43 ) 3
a)
169
b)
−1627
c)
−427
d)
−6427
6.
3−0.216 =
a)
-0.6
b)
0.6
c)
0.06
d)
0.006
7.
Estimate the value
11.43a)
1731
b)
1500
c)
1331
d)
1000
8.
Calculate the value of 22 − 3216
a)
-2
b)
-8
c)
4
d)
10
9.
The area of a square field is 256 m2 . What is the distance, in m, that Salina had walked if she walked around the field twice?
a)
16
b)
32
c)
64
d)
128
10.
Jeremy uses 6 pieces of rectangular cardboard with the length of 10cm to build four cube-shaped boxes. Calculate the volume, in cm3 , of a box.
a)
25
b)
100
c)
125
d)
1000
11.
Complete the operations steps by filling in the boxes using suitable numbers.
(594 − 3278)2
= (949−a2)2
= (cb)2
= d
a)
a=3 , b= 2, c=3, d=25/9
b)
a=9 , b= 25, c=3, d=2/3
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