MATHS LOWER SECONDARY

CONTENTS:-
CHAPTER 1: DIRECTED NUMBERS
CHAPTER 2: SQUARES, SQUARE ROOTS, CUBES AND CUBE ROOTS
CHAPTER 3: ALGEBRAIC EXPRESSIONS II.
CHAPTER 4: LINEAR EQUATIONS
CHAPTER 5: RATIOS, RATES AND PROPORTIONS
CHAPTER 6: PYTHAGORAS' THEOREM
CHAPTER 7: GEOMETRICAL CONSTRUCTIONS
http://wims.unice.fr/wims/wims.cgi?session=M6A6F0F6C3.57〈=en&cmd=new&module=contrib/Cochise2000.en&exo=CombinSignedNu&qnum=1&qcmlevel=4&scoredelay=
here are some useful link to the above chapter:
try it now:-
http://www.maths.com/numbers.directed.CombineDoubleSignedNumbers.htm
http://wims.unice.fr/wims/wims.cgi?session=M6A6F0F6C3.
57〈=en&cmd=new&module=contrib/Cochise2000.
en&exo=CombinSignedNu&qnum=1&qcmlevel=4&scoredelay=
http://www.staff.vu.edu.au/mcaonline/units/numbers/numdir.html
http://math.about.com/od/algebraworksheets/Algebra_Worksheets.htm