CBSE Class 8 Maths Worksheet
Squares and square roots - Finding the Square of a number
1.
Find the square root of 3136 by prime factorization
2.
Find the smallest number by which 9408 must be divided so that the quotient is a perfect square. Find the square root of the quotient.
3.
Is 2352 a perfect square? If not, find the smallest multiple of 2352 which is a perfect square. Find the square root of the new number.
4.
Find the square root of 324 by prime factorization
5.
Find the square root of 1681 by repeated subtraction
6.
Is 725 a perfect square? Find out using prime factorization.
7.
Find the square root of 7396 by prime factorization
8.
1681 plants are to be planted in a garden in such a way that each row contains as many plants as the number of rows. Find the number of rows and the number of plants in each row.
9.
The students of Collage donated Rs 2401 in all, for Disaster management for National Relief. Each student donated as many rupees as the number of students in the class. Find the number of students in the class.
10.
Find the smallest square number that is divisible by each of the numbers 16, 30 and 40.
11.
Find the smallest whole number by which it should be divided so as to get a perfect square. Also find the square root of the square number so obtained. 2645
12.
Find the smallest whole number by which it should be multiplied so as to get a perfect square. Also find the square root of the square number so obtained. 1458
13.
Find the smallest square number that is divisible by each of the numbers 8, 18 and 20.
14.
Find the smallest square number that is divisible by each of the numbers 8, 15 and 20.
15.
Is 190 a perfect square? Find out using prime factorization
16.
Find the square root of 1600 by prime factorization
CBSE Class 8 Maths Worksheet
Squares and square roots - Finding the Square of a number
Answers
1.
56
2.
3 &56
3.
56
4.
18
5.
41
6.
No
7.
86
8.
41
9.
49
10.
7200
11.
23
12.
54
13.
1800
14.
3600
15.
No
16.
40
