Pengembangan Perangkat Pembelajaran Matematika Melalui Penerapan Model Proble…

Abstract: This study aims to produce mathematics learning tools through the application of a Problem Based Learning model mathematical problem solving skill for three-variable linear equation systems to facilitate valid and practical. This research consists of four stages of 4-D development research, namely Define, Design, Develop, and Disseminate. The validity of the learning device is assesse…