The article summarizes material on the theory and practice of designing the content of the course "Information Subject-Oriented Educational Environments". A design scheme, design activity samples (individual educational trajectories, transformation of content into a task material) are presented. The author covers the problem of considering the teacher's professional standard when designing the content of the academic discipline.

The article deals with the theory and practice of mixed education in mathematics in secondary school. The elements of mixed education are under consideration: goals, models, stages and means. The author’s methods of mixed education in financial mathematics of 10-11 form students are represented. The example of organization of mixed education within the elective course “fundamentals of financial mathematics” which was tested in educational institutions of Volgograd is given in the article.