Abstract: This paper will present the initial teacher training preparation of primary And secondary mathematics teacher in Singapore. It will include the philosophy, Approaches, and implementation of different teacher education programmers in Singapore that have effectively prepared mathematics teachers to be knowledgeable, competent and reflective. As the professional development of mathematics teachers in Singapore is seen as a continuum beginning with foundation training, induction, continual training, and milestone programmes, this paper will also present efforts made in developing mathematics teacher professionally for a lifelong career in teaching.