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WorksheetsG8-Sq&SqRoots -2
Total questions: 10
Worksheet time: 26mins
Name
Class
Date
1.
Find the square of 41
(a)
2.
What is the number of digits in the square root of 2081275641?
(a)
3.
Find the square root of 4.5796
a)
2.13
b)
2.14
c)
2.25
d)
2.35
4.
What is the power of 2 in the prime factorisation of 7688
a)
2
b)
3
c)
4
d)
5
5.
What is the smallest number by which 14283 must be divided so that the resulting number is a perfect square
a)
2
b)
3
c)
4
d)
5
6.
How many non-prime numbers exist between
222 − 212a)
42
b)
43
c)
44
d)
46
7.
How many perfect squares exist between 200 and 300
a)
2
b)
3
c)
4
d)
5
8.
What of the following is possibly a square root of 15241137025
a)
123455
b)
123456
c)
123457
d)
23455
9.
By what number should 8820 by multiplied to get a perfect square?
a)
2
b)
3
c)
4
d)
5
10.
a)
b = a2
b)
b2 = a
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