Hexagon: Jurnal Ilmu dan Pendidikan Matematika a peer-reviewed journal, provides a forum for publishing original research articles, review articles from contributors, and novel technology news related to mathematics education. This journal is designed to facilitate lecturers, researchers, mathematics school teachers, teacher educators, university students (Master and Doctoral) from all over the world who want to publish their research reports or their literature review articles (only for invited contributors), and short communication about mathematics education and its instructional. The Journal invites original research articles and not simultaneously submitted to another journal or conference. The whole spectrum of research in mathematics education are welcome, which includes, but is not limited to the following topics: - Mathematics in Open Learning - Mathematics Ability - Model, Method, and Media in Mathematics Learning - Digital Technologies or ICT in Mathematics Learning - Design/Development Research in Mathematics Education