Helsa, Yullyslima Indra Putri, Ratu2012-11-102012-11-102012-11-09978-979-1222-95-2wahyu sari yenihttp://repository.unri.ac.id:80/handle/123456789/463The new innovation of education is an important point of Pendidikan Matematika Realistik Indonesia (PMRI), Indonesian version of Realistic Mathematics Education (RME). Using the theory of R M E we conducted design research with the aims to build upon students' reasoning and reach the mathematical goals of symmetry. This research aims to produce a learning process and to understand the concept of symmetry. Design research was chosen to get the goal of this research. Three steps o f design research were followed namely preliminary design, teaching experiment and retrospective analysis. This research was conducted with 22 students in M I N 2 Palembang. The result of this research is students' understanding of the symmetry concept using math traditional dance.enPMRIRMEdesign researchmath dancesymmetryArticle