This class would coverÂ
- Real Life applications of squares and square rootsÂ
- Patterns and Properties of Perfect Squares
- Perfect Squares and odd numbersÂ
- Estimation of square rootsÂ
- Square roots by divison methodÂ
- Square roots by prime factorisation methodÂ
- Assesment QuestionsÂ
CONCEPTS
- A natural number n is called a perfect square or a square number if there exists a natural number m such that n=m^2
- A number having 2,3,7or 8 at units place is never a perfect square
- The number of zeros at the end of a perfect square is always even
- Square of even numbers is always even and odd numbers is always odd
- There are no natural numers p and q such that p^2=2q^2
- The difference of squares of two consecutive squares is 2n+1
- The square of a natural number n is equal to the sum of first n odd natural numbersÂ
- Negative numbers have no square roots in the system of rational numbersÂ
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