Improvement of teaching methodology of mathematics by using video lectures is a current issue in Riga Technical University because teaching methodology largely determines the quality of studying. The aim of the article is to explore the possibilities of how, based on students’ motivation, to improve the teaching methodology of mathematics and to promote active studies of mathematics. The material “E-learning materials made by Riga Technical University” was worked out to achieve the set goal which will help secondary school pupils to prepare themselves for studies at the university.