Pengembangan Perangkat Pembelajaran Berbasis Masalah Open-Ended Pada Materi B…

This study aims to produce learning tools (syllabus, lesson plans, and LAS) based on open-ended problems on the material of Constructing Flat Side Space (BRSD) that are valid and practical to facilitate students' critical thinking skills. The 4D development model (Define, Design, Develop, Disseminate) in this study was carried out until small group test of develop stage. The instruments used in…