Quasi-experimental study design with the pre-test and post-test is aimed to obtain objective information about the effectiveness of cooperative learning type STAD in improving students
This study aims at the Principal's Strategy for Improving Student Achievement at MAN 1 Mojokerto. 2. What are the supporting and inhibiting factors in implementing the Principal's management strategy in improving student achievement at MAN 1 Mojokerto? The method used in this research is qualitative with a case study type in conducting research. In making observations, the researcher acts as participatory and non-participatory observers, namely by participating in teaching and learning activities as well as other activities such as seminars and study groups, then as later as non-participatory observers the researcher observes activities that do not allow researchers to participate in such as activities evaluation and others. The results of the study show that in order to support the principal's strategy through the quality of human resources, infrastructure, learning materials, and rewards.
This research is an explorative study using qualitative approach that aims to describe the ability of students in solving geometry problems in terms of differences in mathematical skills. Students' problem-solving capabilities were reviewed based on Polya's troubleshooting techniques, namely: understanding the problem, devising a plan, carrying out the plan, and looking back to review the results obtained. The subjects of the study are three students from Department of Primary School Teacher Education (PGMI) of Faculty of Tarbiyah and Teacher Training, Universitas Islam Negeri Ar-Raniry Banda Aceh. The research process begins by giving a mathematics competency test to the student from a class unit, followed by selecting one student from each group, respectively from high math skills, medium math skills, and low math skills. These three selected subjects were assigned geometry-solving tasks and task-based interviews. The validity of data were checked using time triangulation. The results showed that the subject of high mathematical skill was able to use all 4 steps to solve the problem and provide correct answer. The subject of medium mathematical skill was capable of using the 4 steps of Polya's technique but also was less accurate in giving answers. Subjects of low math skill are able to use only 3 steps but are not correct in giving answers.
Pembelajaran matematika adalah salah satu mata pelajaran yang harus dipahami materinya oleh para siswa, namun siswa masih kesulitan untuk memahami apa yang telah diajarkan, sehingga pada saat diberikan masalah, siswa tidak bisa memecahkannya. Pendekatan pembelajaran yang digunakan dalam penelitian ini adalah Realistic Mathematics Education (RME) yang bertujuan untuk memperbaiki dan meningkatkan pemahaman konsep matematika siswa pada materi jaring-jaring kubus dan balok di kelas V MIN 12 Aceh Timur Tahun Pelajaran 2018/2019. Subjek dalam penellitian ini adalah kelas V-b MIN 12 Aceh Timur yang terdiri dari 30 siswa. Metode penelitian yang digunakan adalah Penelitian Tindakan Kelas (PTK). Data dikumpulkan dengan cara memberikan tes pemahaman konsep matematika siswa. Hasil penelitian menunjukkan bahwa persentase pemahaman konsep meningkat, pada siklus I hasil tes yaitu 69,06% (Sedang), mengalami peningkatan pada siklus II yaitu 73,5% (Sedang), begitupun selanjutnya mengalami peningkatan pada siklus III yaitu 81,04% (Tinggi) dan berhenti di siklus III dikarenakan telah mencapai kualifikasi pemahaman konsep yang tinggi dan telah mengalami peningkatan yang signifikan.
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