L.W. Kristianti, H. Retnawati
The aim of this study is to determine the students' errors in solving mathematical problems of the system of two-variable linear equations based on Newman's Procedure in terms of students' cognitive styles. The type of this research is descriptive qualitative research. The subjects were eighth-grade students of Pangudi Luhur 1 Junior High School in Yogyakarta 2018/2019. The research method used is descriptive. The data were collected through documentation, interviews, and test. The data analysis is done by data reduction, data presentation, and conclusion drawing. Based on the results of this study, it can be concluded that students still have errors in solving the story question problems of the system of two-variable linear equations. The cause of errors based on Newman's theory in terms of the cognitive style of students is that students are not able to understand the questions well, students also have lack mastery of the material, so the students are confused in determining step-by-step work of the questions. Students also tend to be less careful in working on problems and are less accustomed to working on problems in a structured manner. © Published under licence by IOP Publishing Ltd.
Mathematics Education Department, Postgraduate Program, Yogyakarta State University, Indonesia
