Peningkatan Aktivitas dan Hasil Belajar Matematika melalui Pembelajaran Kooperatif pada Siswa Sman 1 Tayan Hilir

The improvement Activity and Mathematic study result through cooperative learning of SMAN 1 Tayan Hilir students. This research aimed to get accurate teaching model in motivate the student for increasing activity and the result of mathematics study in class XI Social 1 SMAN 1 Tayan Hilir. The kind of this research is use Classroom Action Research (CAR) and use two cyle wich consists of four phases those are planning, implementation, observation, reflection. The subject of this research 30 students. The result of this research at first cycle. Student activity at first cycle for first meeting 50 %, and at second meeting increase to 65 %. In spite of second cycle at first meeting 70 % and second meeting increase to 80 %.The result of student learning at first cycle with persentase completeness 60 %. The result of student learning at second cycle with persentase completeness 80 %