Penerapan Model Pembelajaran Meaningful Instructional Design (MID) di SMP Negeri 5 Padangsidimpuan
The purpose of this research were to know of applying Meaningful Instruction Design (MID) learning model at the eighth grade students of SMP Negeri 5 Padangsidimpuan. This research was conducted by applying experimental method with 25 students as the sample and they were taken by using cluster random sampling technique from 289. Test and observation were used in collecting the data. Based on descriptive analysis, it was found the average of applying MID learning model was 2.87 (good category) and the average of students' mathematical reasoning abilities before using MID learning model was 50.52 (fair category) and after using MID learning model was 80.84 (very good category).