Learning Obstacle of Students in Geometrical Sequence and Series Magfiroh (a*), Sufyani Prabawanto (a), Rizky Rosjanuardi (a)
Departemen Pendidikan Matematika, Universitas Pendidikan Indonesia, Jl. Setia Budhi No. 229, Bandung 40154, Indonesia
Abstract
Geometrical sequence and series are mathematic topics that should be mastered by students. But some students meet obstacles in learning this topic. The aim of the research is to identify the learning obstacle by students in solving geometrical sequence and series problems. The research question was what kind of learning obstacles of students in the topic of geometrical sequence and series. The research used qualitative method with a case study research design. The subject were students of grade 10 of a senior high school in Cirebon. Data collection is done by using test and interview. The test is used to identify the learning obstacle by students and interview as supporting data. The result show that students meet learning obstacle in solving geometrical sequence and series problems, namely ontogenical obstacle, didactical obstacle, and epistemological obstacle.
Keywords: Learning obstacle- Ontogenic obstacle- Didactical obstacle- Epistemological obstacle- Geometrical sequence and series
