GEOMETRİDE EĞTİMİNDE YENİ BİR MATERYAL OLAN AÇIORTAY DEDEKTÖRÜNE İLİŞKİN ÖĞRETMEN GÖRÜŞLERİ
TEACHERS 'OPINIONS ON THE OPENING DETECTOR WITH A NEW MATERIAL IN GEOMETRY EDUCATION

Summary/Abstract: Definitions, axioms, theorems and their proofs have great importance in mathematics education. It must be learned and understood the relationship between these four elements. In this article, we will introduce a material which we developed to overcome problems that students face in drawing angle bisectors. We call this material “Bisector Dedector” and observed that by using it: Students are able to define angle bisector correctly and bisecting the interior of the triangle can be drawn, Teacher can make students improve the habit of using geometrical definitions more effectively. A new material in Geometry Education is investigated to the views of teachers about the detector. For this purpose, 131 math-geometry teachers working in the district of Urla in İzmir were studied. Survey method was selected as a research method and descriptive analysis was used to describe the data.

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