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All Journal Griya Journal of Mathematics Education and Application Riemann : Research of Mathematics and Mathematics Education
Risma Hanim Mazida
Universitas Muria Kudus
Education Mathematics

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Achievement of Mathematical Problem-Solving Abilities of 4th Grade Students at SDN 02 Kajar through The Problem-Based Learning (PBL) Model: One-Sample T-Test Analysis Khoirul Ana; Risma Hanim Mazida; Fauzul Muna; Fitriyah Amaliyah
Riemann: Research of Mathematics and Mathematics Education Vol. 7 No. 3 (2025): EDISI DESEMBER
Publisher : Program Studi Pendidikan Matematika Universitas Katolik Santo Agustinus Hippo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.38114/riemann.v7i3.57

Abstract

The mathematical problem-solving ability of IV grade students in plane geometry is still a concern that requires attention. Teachers, as educators, should apply varied learning models that can develop students' mathematical problem-solving skills. This research aims to determine whether the mathematical problem-solving abilities of IV grade students at SDN 02 Kajar in plane geometry using the Problem Based Learning (PBL) model can meet the minimum competency criteria (KKM) score or not. This study is quantitative research using a pre-experimental design method with a one-shot case study type, involving 15 fourth grade students at SDN 02 Kajar. Data collection techniques include mathematical problem-solving ability tests, observation, and interviews. The data obtained was then analyzed using the T-Test (one-sample t-test). The research results show that the achievement of mathematical problem-solving abilities through the Problem-Based Learning (PBL) model is equal to the minimum competency criteria (KKM) score, which is 75.
Efektivitas Metode Permainan Class Mart Berbasis Pendekatan PMRI dalam Meningkatkan Minat Belajar Risma Hanim Mazida; Diana Ermawati; Fitriyah Amaliyah
Griya Journal of Mathematics Education and Application Vol. 6 No. 2 (2026): Juni 2026
Publisher : Pendidikan Matematika FKIP Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/griya.v6i2.1179

Abstract

Penelitian ini didorong oleh pembelajaran matematika yang masih bersifat konvensional dan abstrak, sehingga menyebabkan rendahnya minat belajar dan munculnya kebosanan pada siswa. Penelitian ini bertujuan untuk mengukur besarnya peningkatan yang terjadi pada minat belajar matematika siswa sesudah penerapan pembelajaran menggunakan metode permainan Class Mart berbasis pendekatan Pendidikan Matematika Realistik Indonesia (PMRI). Penelitian menggunakan pendekatan kuantitatif model One-Group Pretest-Posttest Design yang dilaksanakan di SD Negeri Wotan 02 pada periode Maret 2026 hingga April 2026. Data dikumpulkan melalui instrumen angket dan lembar observasi yang telah divalidasi, kemudian dianalisis menggunakan Paired Sample t-Test dan N-Gain Score. Hasil penelitian menunjukkan adanya perbedaan signifikan berupa peningkatan pada minat belajar matematika setelah penerapan metode permainan Class Mart berbasis pendekatan Pendidikan Matematika Realistik Indonesia (PMRI). Analisis statistik menunjukkan perolehan skor N-Gain sebesar 0,56 (kategori Sedang) dan persentase N-Gain sebesar 56,36% menunjukkan bahwa metode ini "Cukup Efektif." Kesimpulannya, metode permainan Class Mart berbasis pendekatan PMRI cukup efektif untuk meningkatkan minat belajar matematika siswa secara signifikan, khususnya pada materi bilangan sampai 1.000.000.
Co-Authors Amaliyah, Fitriyah Diana Ermawati Fauzul Muna Khoirul Ana