On April 21, 2026, Asalkan Kadyrova, a teacher of the “Physics and Mathematics” department, conducted an open mathematics lesson on the topic “Volume of a Pyramid and a Truncated Pyramid” for first-year students (9th base) majoring in “Finance and Credit.” The open lesson was attended by Aigul Abdyldaeva, Zeynura Abdimitalipova, and Gulina Bakalbay kyzy. During the lesson, students solved problems related to finding the volume of a pyramid. They also completed practical tasks related to the real-life application of volume. The students actively participated in the lesson, asked questions, and strengthened their knowledge by completing the given tasks. The objectives of the lesson were achieved. 132 11:40 21-04-2026