Class 8 maths Ex 6.4

In this post, we are providing solutions to the question given in exercise 6.4 of Chapter 6, from Class 8th's NCERT Maths book. The chapter's name is 'Square and Square Roots' and exercise 6.4 has 9 questions. Refer to the PDF given below to find the handwritten solutions for exercise 6.4.

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Exercise 6.4 class 8 Maths NCERT solutions


More About Class 8 Maths Exercise 6.4

In class 8th NCERT book, in Exercise 6.4 of chapter Square and Square Roots, Students:

  • learn to solve square root using the long division method
  • Learn how to turn a given number into a perfect square by adding or subtracting a number


In a nutshell, exercise 6.4 deals with solving squares roots using long division method & related concepts.

How much time you should spend on Exercise 6.4?

Now that you know the basic concept of squares, after exercises 6.1,6.2 and 6.3, you will be more comfortable, but since exercise 6.4 introduces the new concept of prime factorisation, we advise you spend at least 1 day on exercise 6.4 and try as many questions as possible even from reference books. 

What books to refer once you are done with Class 8th NCERT Exercise 6.4 questions?

When you are done practicing NCERT questions of exercise 6.4, there are a few books that you can use for more practice. 8th Math books authored by RS Aggarwal and RD Sharma are good.

Many children find RD Sharma scary, if you are one of them, I will suggest you buy RS Aggarwal or Xam Idea


  • 8th Mathematics  RS Aggarwal
  • 8th Maths RD Sharma
  • Xam idea