CBSE Class 8 Maths Worksheet
Squares and square roots - Some More Interesting patterns
1.
Express 121 as the sum of 11 odd numbers.
2.
Can you find the square of the number? 66666667.Sq
3.
How many numbers lie between squares of the following numbers? 99 and 100
4.
Fill in the blanks: If a natural number cannot be expressed as a sum of successive odd natural numbers starting with 1, then it is not a ___________.
5.
Without adding, find the sum . 1 + 3 + 5 + 7 + 9 + 11 + 13 + 15 + 17 + 19 + 21 + 23
6.
Fill in the blanks: There are 2n non perfect square numbers between the squares of the numbers _____and _____.
7.
Find numbers which are not perfect squares.
A)
4225
B)
5625
C)
5225
D)
3025
8.
Find numbers which are not perfect squares.
A)
9216
B)
8836
C)
9404
D)
9604
9.
Find numbers which are not perfect squares.
A)
121
B)
196
C)
139
D)
144
10.
Fill in the blanks: Sum of first n odd natural numbers is ________
11.
Find numbers which are not perfect squares.
A)
10000
B)
12100
C)
14400
D)
13300
12.
Find numbers which are not perfect squares.
A)
625
B)
576
C)
529
D)
584
13.
5.sq + ____ .Sq.+ 30.Sq = 31.Sq
CBSE Class 8 Maths Worksheet
Squares and square roots - Some More Interesting patterns
Answers
1.
1+3+5+7+9+11+13+17+19+21
2.
4444444488888889
3.
198 numbers lying between 992 and 1002
4.
Perfect Square
5.
144
6.
n and (n+1)
7.
Option C
8.
Option C
9.
Option C
10.
n2
11.
Option D
12.
Option D
13.
6
