Necmettin Erbakan University Ahmet Keleşoğlu Education Faculty Mathematics and Science Education Department Mathematics Education Department Lecturer Dr. Instructor Member İbrahim ÇETİN gave training as an instructor trainer within the scope of BİFEMA TÜBİTAK 4005 program with the participation of 30 teachers who took part in BİLSEM and held in Samsun. The event was held face to face. 30 teachers participated in the event.