Pengembangan Perangkat Pembelajaran Dengan Model Pembelajaran Berbasis Masala…

This research is a research and development aims to produce a syllabus, lesson plans (RPP), and student worksheets (LKPD) with a problem based learning model to facilitate mathematical problem solving ability for Senior High School grade X on the material Three Variables Linear Equation System. This research and development uses 4-D development model. The instrument used in the research was val…