Abstract:
This research aims to improve students' mathematics learning outcomes by implementing cooperative learning model of Student Teams Achievement Divisions (STAD) type in class IVb SDN 009 Langkan, 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 IVb SDN 009 Langkan with the number of 34 people consisting of 15 male students and 19 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 71.87% and the second cycle was 78.12%, which increased the percentage of the previous measures only 68.75%. The conclusion of this study indicate that cooperative learning model model type Student Teams Achievement Divisions (STAD) can improve students' mathematics learning outcomes.
