To overcome the problem, present series of handbooks on every subject has been prepared. It would save time and energy of a teacher, on one hand, and provide sufficient feedback on the concerned subject, in a short time, on the other. Simultaneously, it would instil confidence in teachers to address any query, posed by the students on the topic under discussion or teaching. This particular book is titled: Teacher's Handbook of Mathematics. Hopefully, it would serve busy teachers, to a great extent, in providing them, with a cut-and-dried solution to every problem and all issues, under one cover.