Pengembangan Modul Ajar Berbasis Problem Based Learning Untuk Memfasilitasi K…

Abstract: This study aims to produce a valid and practical Problem Based Learning (PBL) module to facilitate the mathematical problem-solving ability of phase D students on the topic of curved-surface solid shapes. This research employed the Research and Development (R&D) method using the 4D development model (Define, Design, Develop, Disseminate). The research instruments consisted of expert v…