Necmettin Erbakan University Ahmet Keleşoğlu Education Faculty Mathematics and Science Education Department Mathematics Education Department Lecturer Dr. Instructor A two-stage training was held by its member, İbrahim ÇETİN, hosted by the General Directorate of Secondary Education. In the first stage, "Theoretical Foundations of Mathematical Modeling" is explained. Since the event could not be held face-to-face due to the pandemic, it was held via the Zoom online platform. Thus, more than 300 teachers were able to participate in the event.