Home » CBSE Class 8 Maths Notes for Chapter 6 Square and Square Roots

CBSE Class 8 Maths Notes for Chapter 6 Square and Square Roots

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                                CHAPTER 6 SQUARE AND SQUARE ROOTS
 

  • Square Number: If a natural number m can be expressed as n2, where n is also a natural number then m is a square number.

 

  • Properties of square numbers:

 

  • All square numbers end with 0, 1, 4, 5, 6 or 9 at unit’s place.
  • Square numbers have only even number of zeros at the end.

 

  • Square root: If a natural number m can be expressed as n2, where n is also a natural number then n is the square root of m.

 

  • There are two integral square roots of a perfect square number.

 

  • Positive square root of a number is denoted by the symbol √

 

  • Methods of finding square root:

 

  • Through repeated subtraction
  • Through prime factorization
  • Through division method

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