PENGEMBANGAN PERANGKAT PEMBELAJARAN MATEMATIKA BERNUANSA KARAKTER DENGAN PEMBELAJARAN KOOPERATIF NUMBERED HEAD TOGETHER (NHT) POKOK BAHASAN OPERASI BENTUK ALJABAR KELAS VII SMP NEGERI 1 PAKUSARI TAHUN AJARAN 2012/2013
Abstract
Abstract : This research was a developmental research of mathematics learning materials nuanced of characters using Numbered Head Together (NHT) cooperative learning. The type of this research was a developmental research by using 3-D model, it consisted of 3 steps namely define, design, and develop. The subject of a research of a equation of straight line for grade VIID of SMP Negeri 1 Pakusari. The criterion of the materials developmental included three things: the validity, practically, and effectiveness. The results of the research were of Teaching Plan, Work Sheet, and achievement test. The result source of all those learning material satisfied the validity criteria, teacher activity percentage were 84,44%, 93,33%, and 95,56% of practical criteria. The effectiveness criteria of the student’s activity percentage were 76,67%,78,23%,and 84,51%, the responses of student was more than 80%, and the students achievement was 88,99%.
Key Words: Developmental Research, Characters, Numbered Head Together (NHT), Algebra Operation