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Web Development : Starting from Concept, HTML, CSS, Web Site Develpment to Website Launching.

Written by: Sanjay Srivastava

B.Tech (Honours);IIT Kharagpur

PMP ; PMI USA

Class - VIII - Maths:- INDEX

1. Squares & Square Roots2. Cubes & Cube Roots

3. Exponents & Radicals

4. Profit Loss & Discount

5. Compound Interest

6. Algebraic Identities

7. Polynomials

8. Linear Equations

9. Parallel Lines

10. Types of Quadrilaterals

11. Construction of Quadrilaterals

12. Circles

13. Areas

14. Surface Areas

15. Volumes

16. Statistics

Class - VIII - Maths

(2) There are basic two methods to find square roots

(i) by Prime Factors (ii) by Long Division Method

(3) If 'N' & 'M' are perfect square number then

(4) A number ending with 2,3,7 & 8 is never a perfect square.

(5) The square root of a number which is less than 0 is always greater than the number

Question - Type 1 - Which are perfect square - 7, 25, 32, 64

Answer - 1-

Make the factors -

7 = 1* 7 ;

25=5*5=

32=2*4*4=2*

64= 8*8=

Perfect square - The number where you are able to make the pairs of factor as in case on 25 & 64. therefore on 25 i.e 5*5 & 64 i.e. 8*8 are perfect square.

(Cont..... to page 3 )

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