The solution to the problem of scientific and methodological support for teaching mathematics in specialized classes is considered from the position of a teacher who has extensive practical experience, but has difficulties in preparing software and methodological support and creating an optimal educational environment. When developing the methodological support of the teacher's professional activity, the general and specific elements of the content and results of teaching mathematics in specialized classes of different directions were determined, the operationalization of the subject learning outcomes was carried out. The given types and examples of tasks illustrate individual operations of subject results. Recommendations for creating an educational environment include a description of the key features of various educational and methodological kits for mathematics.

Keywords: specialized class; scientific and methodological support; core of learning.