Primatika : Jurnal Pendidikan Matematika is open-access and peer-reviewed online journal published by Department of Mathematics Education, Universitas Mulawarman. Jurnal Primatika discusses problems that exist in mathematics education such as problems in teaching and learning of mathematics or methodological problems in the field of research in mathematics education. This journal is provided for writers, teachers, students, professors, and researchers, who will publish their research reports or their literature review articles (only for invited contributors) about mathematics education and its instructional. This journal has been published in advance using print media ranging from volume 1 (2012) to volume 6 (2017) with print ISSN and review with hard copy. Starting from volume 7 (2018), Primatika using print ISSN and electronic ISSN. Primatika would be published two times in a year (June, and December).