摘要：The innovation of education is an important point of Pendidikan Matematika Realistik Indonesia (PMRI), one of them through t raditional dance as a context of national cultural. Dance that collaborated with concept of mathematics, it is called Math Traditional Dance. This research aims to produce learning line (specific) the material of reflection and symmetry. The research metho d used is design research that consisted of preparing for the experiments, teaching experiments, and retrospective analysis. Data collected through observation, interviews, documentation and field notes. This research was conducted with 22 students in MIN 2 Palembang. From the try out that is obtained from the formal to the informal learning described in the learning process, so that support learning process of mirroring and symmetry for the students in grade four in elementary school.
关键词：PMRI; math traditional dance; design research; learning path; mirroring and symmetry
