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All Journal Jurnal Abdimas Prakasa Dakara International Journal of Educational Innovation and Research
Ma’ruf, Abdul Hakim
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Humanities Education Languange, Linguistic, Communication & Media Mathematics Social Sciences Other

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Students’ Inconsistency when Solving a Geometry Problem in Three-Dimensional Context Alghadari, Fiki; Ma’ruf, Abdul Hakim; Yundayani, Audi
International Journal of Educational Innovation and Research Vol. 3 No. 1 (2024)
Publisher : Universitas Majalengka

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31949/ijeir.v3i1.6905

Abstract

There is an issue regarding students' consistency in completing geometry assignments, as indicated by several research findings and assessments. Diagnosing how students integrate concepts in the conceptual design and understanding the reasons behind their inconsistency in completing assignments are the main focuses of this case study. This research was conducted with 58 high school students in Tanjungpandan, Indonesia. The data were obtained from students' answers to problems of the three initial levels of geometry thinking and retrospective reports about their answers. The data were analyzed based on three phases: the concept-eliciting and integrating phase, the relationship-eliciting phase, and the relationship-integrating phase. The study revealed that students' performance in geometry analysis aligned with the epistemological concept issue. Visual objects garnered the most attention from students, leading to their analysis techniques being primarily object-oriented. Some stages of property analysis were skipped, causing students to make claims about objects of thought when they should have been establishing relationships between properties to classify shapes through rigorous geometry analysis. Numerical computation remains an essential aspect of geometry analysis. The conceptual design has not yet reached the abstraction stage, resulting in experiments to solve problems not always yielding the correct solutions. In education, this highlights the need for a deep understanding of concept epistemology, efficient concept integration, and the cultivation of abstract thinking skills.
Pendampingan Belajar Matematika untuk Meningkatkan Pemahaman Siswa pada Konsep Geometri Berbasis Teori Van Hiele Zuhriyah, Aminah; Nurimani, Nurimani; Ma’ruf, Abdul Hakim; Megawati, Megawati
Jurnal Abdimas Prakasa Dakara Vol. 3 No. 2 (2023): Pengembangan Pendidikan dan Keterampilan Masyarakat
Publisher : LPPM STKIP Kusuma Negara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37640/japd.v3i2.1809

Abstract

Pengabdian ini adalah pendampingan belajar untuk meningkatkan pemahaman siswa pada konsep geometri. Pendampingan dilakukan di Lembaga Bimbingan Belajar Kampung Cerdas Cimangis Depok, kepada 12 orang kelas IV (7 siswa) dan V (5 siswa) Sekolah Dasar yang mendapatkan hasil belajar geometri (rata-ratanya 62,75) kurang dari Kriteria Ketuntasan Minimal (KKM). Kegiatan ini menerapkan pembelajaran berbasis teori van Hiele untuk menyampaikan materi geometri, yaitu; a) strategi pembelajaran ekspositori di level-0 (visualisasi) untuk memberikan pemahaman awal konsep dasar geometri berdasarkan karakterstik visual, b) model pembelajaran inkuiri di level-1 (analisis) untuk berpikir kritis dan analitis dalam mencari dan menemukan jawaban, c) model pembelajaran discovery di level-2 (deduksi informal) untuk merangsang kemampuan siswa untuk memecahkan permasalahan melalui pengumpulan dan pengolahan data untuk membuktikan suatu konsep. Kesimpulannya adalah peningkatan pemahaman geometri yang telah dicapai di level 0, siswa dapat mengenal bentuk/fitur bangun datar atau bangun ruang, di level 1, siswa mampu mendeskripsikan atau menganalisis, dan menyebutkan sifat-sifat bangun datar atau bangun ruang, di level 2, siswa dapat menyelesaikan masalah yang berkaitan dengan keliling dan luas. Keberhasilan pendampingan ditunjukan dengan adanya peningkatan pemahaman siswa pada konsep geometri, dibuktikan dengan hasil posttest rata-rata nilai 81 (lebih dari standar KKM, 75).
Co-Authors Audi Yundayani Fiki Alghadari Megawati - Nurimani, Nurimani Zuhriyah, Aminah