Together with lab Manual Mathematics for Class 9 book is an innovative step to make Mathematics— a fun to learn and easy to grasp the subject. The method is effective, interesting and enjoyable. Mathematics plays a dominant role in ones life, therefore the purpose of this book is also to help students in application of mathematical concepts in real life situations. It contains activities of wide variety, concerning various spheres of Mathematics such as Arithmetic, algebra, geometry, Mensuration, etc. Salient features of the book are: ●together with Mathematics lab Manual is a set of: (a) Maths Lab Activities book including viva voce & mental Maths. (B) practical Manual. ●Activities are self-explanatory.They are comprehensively explained and illustrated. ●Materials required are easily available and convenient to handle. ●Procedure gives step by step method to perform the activities. ●Viva-voce focusses on activity based Questions to make concepts more clear. ●Mental Maths section of this book is meant for the application of activity in different types of problems.