Keyword: «collaborative problem-solving»

The article presents the modern mathematics lesson as a space of communication, choice, and collaborative problem-solving. It summarizes the methodological foundations of the approach and the main interactive practices used to develop subject and universal learning outcomes. Special attention is paid to the changing role of the teacher and to formative assessment as a tool for supporting students’ progress. The article shows that communication, choice, and cooperation strengthen students’ independence, critical thinking, and responsibility for learning. The conclusion emphasizes the developmental potential of interactive mathematics lessons.