UPAYA MENINGKATKAN KEAKTIFAN DAN PRESTASI BELAJAR MATEMATIKA DENGAN STUDENT TEAM ACHIEVEMENT DIVISION SISWA KELAS VII B SMP NEGERI 2 KOKAP

The purpose of the study to describe the process of cooperative learning Student Team Achievement Division (STAD)  in order to increase learning activity and achievement in learning mathematics of class VII B SMP Negeri 2 Kokap. The type of this research is a classroom action research. The subject of the research are the students grade VII B SMP Negeri 2 Kokap. It consists of 23 students. The object of this research is learning activity and achievement in learning mathematics through model Student Team Achievement Division (STAD). The result of the study shows that after applying this learning model, activity and achievement has an increase. Students’ activity has an increase in pre-cycle show 40,99% become 59,63% in cycle I, whereas in cycle II shows the increse become 80,12% from the observation sheet. Beside that, the subjection mean of students achievement has an increase. In pre-cycle shows 50,98, in cycle I has an increase become 67,66, whereas in cycle II shows the increse become 83,12