Jurnal Pendidikan dan Pembelajaran Matematika Indonesia (JPPMI) Vol. 9 No. 1 (2020) contains 5 scientific articles addressing various issues in mathematics education and learning, including improving problem-solving skills through the ICARE model supported by open-ended problems, implementing the Question Student Have model supported by GeoGebra to improve mathematical conceptual understanding, developing educational game-based learning media for integer topics, developing Mathlet GeoGebra media for one-variable linear equations, and developing interactive social arithmetic learning media using Articulate Storyline 3 with a scientific approach.

The articles were written by researchers and academics from Ganesha University of Education in Singaraja, Bali, who contribute to the development of instructional models, digital learning media, and technological innovations aimed at improving the quality of mathematics education and learning.