Pengembangan Perangkat Pembelajaran Matematika Berbasis Problem Based Learnin…

This research is a development research (R&D) that produces a product in the form of a Problem Based Learning-based learning device that meets valid and practical requirements to facilitate the mathematical problem solving ability of class XII SMA students on the material of Indoor Distance. The development model used is a 4D model, which consists of four stages, namely: (1) Define; (2) De…