Jurnal Pendidikan dan Pembelajaran Matematika Indonesia (JPPMI) Vol. 14 No. 1 (2025) contains 8 scientific articles addressing various issues in mathematics education and learning, including the development of e-modules incorporating Balinese culture (Undagi Bali), the analysis of mathematical communication skills based on Van Hiele theory, the use of GeoGebra to improve conceptual understanding and learning motivation, the implementation of differentiated instruction based on Problem-Based Learning, the Realistic Mathematics Education (RME) approach, the Creative Problem Solving model, the Think Pair Share cooperative learning model, and the development of CORE model-based e-modules to improve problem-solving skills and self-efficacy.

The articles were written by researchers and academics from various higher education institutions across Indonesia, including Ganesha University of Education in Singaraja, Ar-Raniry State Islamic University in Banda Aceh, Universitas Muria Kudus in Kudus, and other institutions. These contributions reflect the diversity of research into the development of learning media, approaches, and instructional models aimed at improving the quality of mathematics education.