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 second stage, it was explained as "Application of Mathematical Modeling: Technology Supported". 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.