On October 18, 2021, an open lesson on the discipline "Mathematics" was held in the TZh-21B group.

The topic of the open lesson: "The cone and its elements. Sweep, the area of the lateral and full surface of the cone."

The purpose and objectives of the lesson: to know the definition of a cone and its elements; to be able to identify objects that have the shape of a cone in the surrounding world and future profession; to solve problems with practical content.

The educational value of an open lesson is the instilling of students' interest in the subject and their profession; the formation of independence and discipline skills; the formation of students' information culture.

The lesson plan contains all the main stages: the organizational moment, checking homework, applying knowledge in practice, knowledge control, lesson summary, reflection.

Throughout the lesson, there was high efficiency, a friendly atmosphere. At the end of the lesson, reflection showed that the students liked the lesson; everyone was satisfied with their work. I believe that the goals set in the lesson have been achieved.

The lesson was conducted by Alpysbaeva Rosa Kalymovna, - mathematics teacher of the Department of "Pedagogical and general education disciplines".