KCSE SIMULATE MATHEMATICS series is a student friendly handbook designed to boost and polish their grades. This third title comprises of all the form three topics as appears i the 8-4-4 secondary system of education. Questions have been arranged topicwise as well as in the paper section i.e. ; paper 1 and paper 2. Solutions for every topic then follows at the end of each topic and where possible alternative methods have been used to solve the same problem for comparison.