On December 18, 2025, Gulina Bakalbay kyzy, a teacher of the “Physics and Mathematics” department, conducted an open lesson in Mathematics on the topic “Solving Problems on the Derivative of a Composite Function” for first-year students (Group 5, Kyrgyz stream, Base 9) majoring in Law. The open lesson was attended by Kozhobekova Uulzhan, Abdyldaeva Aigul, Kultaева Begimai, and Aknazar kyzy Kanaiym. During the lesson, students solved problems using formulas for the derivative of a composite function and became familiar with its physical and technical applications. The students actively participated in the lesson, asked questions, and reinforced their knowledge through problem-solving. Overall, the lesson achieved its objective. 66 02:35 03-04-2026