The article describes the experience of implementing lifelong pedagogical education and suggests the characteristics of the training features of future mathematics teachers at the Perm State Humanitarian Pedagogical University, as well as teachers of the Perm Krai using the information and educational environment in the context of the digital transformation of education. Based on the ideas of the psychological and pedagogical concept related to the description of the creation of conditions for the gradual deepening and expansion of knowledge, skills and abilities of the future teacher in the direction of professionalization, special attention is paid to the founding of the participants in the educational process of the ability to work in a digital environment. The stages of founding such a skill are illustrated by examples of projects completed by students at certain stages of university education. As one of the examples, the structure of a digital teacher’s room, implemented in one of the schools in the city of Perm, is given. In general, the presented content allows us to state that the advantage of the ideas of translating into practice the continuous training of mathematics teachers in the context of the digital transformation of education, noted by the features described by the authors, is their multiplicativity, which implies the possibility of implementation in any region of Russia and in neighboring countries, as well as replication not only in the educational sphere, but also in other areas of human activity. The article can be useful both for students enrolled in the direction of “Pedagogical education” and for specialists in the field of teaching staff training.