Pengembangan Perangkat Pembelajaran Matematika Menggunakan Model Problem Base…

This study is aimed to produce mathematic learning tools consisting of a Syllabus, Lesson Plan (LP), and Students' Worksheet (SW) in the material Linear Equation System of Three Variables in class X which applies valid and practical Problem Based Learning models. This developmental model used is the 4-D model which consists of 4 stages of development, namely define stage (definition), design st…