Student Teams Achievement Division: Hasil Belajar Siswa Materi Segi Empat
Mathematics is one of the subjects considered difficult by students, so the learning outcomes obtained by students are low. The same thing also happened at SMPN 4 Ambon, after observing and interviewing the subject teachers, 58% of students obtained completeness of student learning in square material. Based on this, the teacher is required to be able to use the learning model so that the material is easily understood or understood by students and creates student-centered learning. So that it can improve student learning outcomes. This study aims to determine the increase in student learning outcomes in class VII-6 SMP Negeri 4 Ambon through the STAD type cooperative learning model with 28 research subjects consisting of 15 male students and 13 female students. Classroom Action Research (CAR) consists of 4 (four) stages, namely: Planning, Implementation, Observation, and Reflection. Data collection is done by observation and tests. The results of observation of the activity showed that there was an increase in each cycle. Likewise with learning outcomes in each cycle has increased namely in the first cycle student learning outcomes by 71.4% or 20 students increased to 89.3% or 25 students in the second cycle so an increase of 17.9%.
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