Epistemological Obstcale on the Topic of Triangle and Quadrilateral
Cep Ramdan Hidayat (1), Rizky Rosjanuardi (2)

(1) Departement of Mathematics Education, Universitas Pendidikan Indonesia
Jalan Dr. Setiabudhi No. 229, Bandung 40154, Indonesia
Email: crhidayat.mathedu[at]gmail.com
(2) Departement of Mathematics Education, Universitas Pendidikan Indonesia
Jalan Dr. Setiabudhi No. 229, Bandung 40154, Indonesia

Abstract

This study aims to investigate how students understanding of triangle and quadrilateral topic. It was part of didactical design research which was conducted on 33 students who have learned about triangle and quadrilateral. Data were collected through the students answers and interview related to how students find solution to problems on the topic of the geometry. The result found of the type of learning obstacle that is epistemological obstacle that impact on the concept error in solving the problem.

Keywords: Epistemological Obstacle, Triangle and Quadrilateral

Topic: 1. Mathematics Education