Necmettin Erbakan University Ahmet Keleşoğlu Education Faculty Mathematics and Science Education Department Mathematics Education Department Lecturer Dr. Instructor A presentation named “Effective Use of Skill-Based Questions” was made by its member İbrahim ÇETİN within the scope of THINKER MATH Teachers' Day Special Program. Since the event could not be held face-to-face due to the pandemic, it was held via the Zoom online platform. Thus, many primary and secondary school mathematics teacher candidates and teachers were able to attend the event.