MENINGKATKAN KEAKTIFAN DAN HASIL BELAJAR MATEMATIKA SISWA KELAS VIII SMP N 4 WONOSARI MELALUI STUDENT TEAMS ACHIEVEMENT DIVISONS

The purpose of this research are to describe the process of implementation of the Cooperative learning models type Student Teams Achievement Divisions (STAD) to increase the activity and student chemistry learning outcomes in class VIII SMP N 4 Wonosari. Type of research is action research class carried out in two cycles, where eachcycle consist of four stages, namely (1) planning, (2) implementating, (3) observating, and (4) reflecting. The subjects in this research are student of class VIII SMP N 4 Wonosari, amounting to 28 students while the object in this research is the activity and student learning outcomes. Data obtained in this research include: student learning outcomes drawn from the test results as the end of cycle and the activity of students drawn from the observation sheets. The results showed an increase in every indicator of student activity proceeds. In the first cycle the average value of the activity indicator of 74,375% increased in the second cycle into 81,875%%. While the average math student learning outcomes increased from 43,21 in the pre-cycle to 67,8 in the first cycle after the second cycle increased to 75,53