JUMADIKA (Jurnal Magister Pendidikan Matematika) 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. Start from Mey 2019, this journal publishes two times a year, in April and October. Besides regular writers, for each volume, the contents will be contributed by invited contributors who experts in mathematics education either from Indonesia or abroad. This journal encompasses original research articles, review articles, and short communications, including: Mathematics, Mathematics Education, Realistic Mathematics Education, Design Research, School Mathematics, PISA Problems