Abstract:
This research aims to improve students' mathematics learning outcomes by implementing cooperative learning model type Student Teams Achievement Divisions (STAD) in class IV SDN 013 Segati. Sub District of Langgam, Pelalawan District, in the even semester of the academic year 2011/2012. This study uses action research. It was conducted in two cycles. The subjects studied were students of class IV SDN 013 Segati with the number of 28 people consisting of 17 male students and 11 female students. Students in the class are heterogeneous in terms of academic and gender. 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 outcomes and successful measurements. The result of the first cycle found that the percentage of students who achieve mastery minimum criteria (> 65) was 94,43% and the second cycles was 94,43%, which increased the percentage of the previous measures only 60,71%. The award for the eight groups in the first cycles and the second is a group of Super. The conclusion of this study indicate that cooperative learning model type Student Teams Achievement Divisions (STAD) can improve students' mathematics learning outcomes.