Development Of Students’ Worksheet Based On APOS Theory Approach To Improve Student Achievment In Learning System Of Linear Equations

This study aims to develop student worksheet based on APOS theory approach to improve student achievement in learning matrix and vector spaces, particularly in systems of linear equations (SLE). This research is a research & development by using Plomp model. This research was conducted at Andalas University. Instruments used in this study were guidelines of the interview, validation istrument, lecturers’ and students’ response questionnaire, and SLE test. The results showed that the students' worksheets designed already met the criteria valid, practical, and effective.

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