Range: Jurnal Pendidikan Matematika publishes original research or theoretical papers about teaching and learning in mathematics education study program on current science issues, namely: (1) Mathematics educator in elementary, secondary and high school level, (2) Mathematics observers and researchers, (3) Educational decisions maker on regional and national level. We recommend classroom action research, qualitative, descriptive, or quantitative. We may process manuscript of didactic development research (DDR) or research and development (R & D). Our publication could be research on teaching method, experiment of teaching aid or media, and even effectiveness of lesson study. We accepted any manuscript derived from research of mathematics education. We will not process manuscript from research approach of school management.