Pengembangan Perangkat Pembelajaran Matematika Berbasis Problem Based Learnin…

This research to produce a product in the form mathematical learning devices using Problem Based Learning model on the material of Constructing Flat Side Spaces to facilitate students Mathematics Problem Solvibg Ability. The development model used is the ADDIE model namely Analysis, Design, Development, and Evaluation. The research instrument used is validity instrument and practicality. The in…