Do integers

Do integers

References

Reference NO 1

http://www.mathgoodies.com/lessons/vol5/addition.html

Reference NO 2

http://www.mathgoodies.com/lessons/vol5/subtraction.html

Reference NO 3

http://en.wikipedia.org/wiki/Integer

Reference NO 4

http://math.about.com/od/prealgebra/ht/PostiveNeg.htm

Reference NO 5

http://www.mathsisfun.com/whole-numbers.html

Reference NO 6

http://www.factmonster.com/ipka/A0876848.html

Reference NO 7

http://www.homeschoolmath.net/teaching/integers.php

Reference NO 8

#EANF#