Lattice Journal : Journal of Mathematics Education and Applied (e-ISSN : 2798-4621 | p-ISSN : 2798-6470) is a journal which is published by Rumah Jurnal Institut Agama Islam Negeri (IAIN) Bukittinggi, West Sumatera Indonesia. The journal is published twice a year in June and December. Lattice Journal : Journal of Mathematics Education and Applied focused is to publish original research (qualitative research, classroom action research, development/design research are top priorities) and/or library analysis on how students learn mathematics and how mathematics is taught in primary, secondary or undergraduate level. The journal also welcomes articles that address common issues in mathematics. To maintain the focus, the scope of the published articles will be as follows: 1. Mathematical thinking 2. Design/Development research in mathematics education 3. Integration of mathematics 4. The development of students mathematics literacy 5. Pure Math (Algebra, Analysis, Combinatorics and Statistics