Ermiwati2013-08-272013-08-272013-08-27Nofianti,S.Pdhttp://repository.unri.ac.id:80/handle/123456789/5113Penerapan Model Pembelajaran Kooperatif Pendekatan Struktural Think Pair Square (TPS) Untuk Meningkatkan Hasil Belajar Matematika Siswa Kelas VIIThis study was conducted at SMP Negri 3 Siak Hulu, in the first semester of the school years 2012/2013. The subject of the research is students of class VII B . There are 32 student in that class, consisting 16 girl and 16 boys who have heterogeneous academic ability. The goal of this study to improve students mathematics achievement, especially in fractions by applying the Cooperative Learning Think Pair Square Approach. This study is an action research. There are two cycles and four stages in this study. Each cycle has four stages, they are planning, action, observation, and reflection. The result of research showed that the improvement of students learning achievement. The percentage of first cycle showed that students who get minimum achievement criteria (MMC), from 43.75% to 56.25%. While, in the second cycle, the percentage of students who minimum achievement criteria (MMC) increase to 78.13%. In other words, the implementation of Cooperative Learning Think Pair Square Approach can improve students’ mathematics achievement in class VII B of SMPN 3 Siak Hulu, especially in fractions in the school years 2012/2013.en-USCooperative LearningLearning AchievementThink Pair Squarestudent Paper Post Degree