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All Journal International Conference on Mathematics and Science Education of Universitas Pendidikan Indonesia
R Rosjanuardi
Departemen Pendidikan Matematika, Universitas Pendidikan Indonesia
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Education Immunology & microbiology Mathematics Physics

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Investigating the misconception of students in initial algebra H Beeh; R Rosjanuardi; A Jupri
International Conference on Mathematics and Science Education of Universitas Pendidikan Indonesia Vol 3 (2018): Promoting 21st Century Skills Through Mathematics and Science Education
Publisher : Pascasarjana Universitas Pendidikan Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (924.387 KB)

Abstract

Misconception on algebra is one of the fundamental problems in mathematics learning. Misconception on algebra is a condition in which the student does not correctly understand and master the algebraic concept. This can cause students fail in building a correct knowledge framework, both in the concept of algebra and in other mathematical concepts using algebra. This study aims to reveal the phenomenon of misconceptions in initial algebra. A total of 52 eighth grade students from two different schools were given an algebra test and six students were interviewed afterwards. The results showed that most students made mistakes and were not correctly understanding simple algebraic forms, such as variables, coefficients and similar terms. It was concluded that students experienced some misconceptions on the basic concept of algebra.
Learning Obstacle Student in Factoring Quadratic Form B A Saputro; D Suryadi; R Rosjanuardi; B G Kartasasmita
International Conference on Mathematics and Science Education of Universitas Pendidikan Indonesia Vol 3 (2018): Promoting 21st Century Skills Through Mathematics and Science Education
Publisher : Pascasarjana Universitas Pendidikan Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (734.039 KB)

Abstract

The purpose of this study is to understand students' mistakes in using the cross methodto factorize the squared form. Eight quadratic form factoring is given to students to obtain studentlearning barrier data. The data were analysed in accordance with the phase of the cross method,followed by the interview to validate the alleged category of learning obstacle types that occurredin each student. The results of this study indicate that the obstacle learning that many studentsexperience using the cross method is didactical obstacle which is one example of the mistakethat student’s fact squared form by not involving variable x.
Co-Authors A Jupri B A Saputro B G Kartasasmita D Suryadi H Beeh