Abstract:
This research aims to improve students' mathematics learning outcomes by implementing cooperative learning model of Student Teams Achievement Divisions (STAD) type in class Va SDN 006 Penarikan, Langgam Sub District, District of Pelalawan, in the even semester of the academic year 2011/2012. This study uses action research. The subjects studied were students of class Va SDN 006 Penarikan with the number of 20 people consisting of 11 male students and 9 female students. Students in the class are heterogeneous in terms of academic and gender. It was conducted in two cycles. The activity and students learning outcomes data were gained by collecting activity data by using observation sheet and daily test. Analysis of the data used is descriptive statistical analysis that describes the activities of teacher and students, analysis of learning outcomes and succesful measurements.. The results of the first cycle found that the percentage of students who achieve mastery Minimum criteria (≥ 65) was 90% and the second cycle was 75%, which increased the percentage of the previous measures only 45%. The conclusion of this study indicate that cooperative learning model model type Student Teams Achievement Divisions (STAD) can improve students' mathematics learning outcomes.