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All Journal Jurnal Cendekia : Jurnal Pendidikan Matematika Jurnal Simki Pedagogia JagoMIPA: Jurnal Pendidikan Matematika dan IPA KARYA: Jurnal Pengabdian Kepada Masyarakat Brilliance: Research of Artificial Intelligence Edukasia: Jurnal Pendidikan dan Pembelajaran Polinomial : Jurnal Pendidikan Matematika Journal Focus Action of Research Mathematic (Factor M) Darma Abdi Karya: Jurnal Pengabdian Kepada Masyarakat
Erny Untari, Erny
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Humanities Biochemistry, Genetics & Molecular Biology Chemistry Computer Science & IT Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Languange, Linguistic, Communication & Media Mathematics Physics Public Health Social Sciences Other

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PENERAPAN MEDIA DIGITAL BERBASIS GEOGEBRA DALAM PEMBELAJARAN GEOMETRI: STUDI ABDIMAS DI SDN BANCONG Untari, Erny; Astuti, Indra Puji; Nita, Sekreningsih; Susanto, Doni; Khoiri, Halwa Annisa
KARYA: Jurnal Pengabdian Kepada Masyarakat Vol 5 No 3 (2025): KARYA: Jurnal Pengabdian Kepada Masyarakat
Publisher : FKIP Universitas Samawa

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Abstract

Gerakan dharma bakti kepada masyarakat (Abdimas) ini bertujuan untuk meningkatkan kualitas pembelajaran geometri pada bangun datar di SDN Bancong melalui penerapan media digital berbasis GeoGebra. Berdasarkan wawancara permasalahan yang dihadapi guru dan siswa meliputi keterbatasan media konkret, rendahnya visualisasi konsep, serta minimnya pemanfaatan teknologi dalam pelajaran matematika. Kegiatan dilakukan melalui pelatihan penggunaan GeoGebra, pendampingan implementasi di kelas, dan evaluasi hasil penerapan pembelajaran. Metode Abdimas meliputi observasi awal, workshop, praktik langsung, dan refleksi guru. Hasil kegiatan  memperlihatkan adanya kemajuan kemahiran guru dalam menciptakan media interaktif dengan GeoGebra serta meningkatnya antusiasme dan pemahaman siswa terhadap konsep geometri. Penggunaan GeoGebra terbukti membantu visualisasi geometri pada bangun datar, meningkatkan interaksi dan partisipasi kelas, serta memperbaiki hasil belajar. Kegiatan Abdimas ini menunjukkan bahwa media digital dapat menjadi alternatif efektif untuk mendukung pengajaran matematika di sekolah dasar terutama geometri tentang bangun datar.
Eksplorasi Etnomatematika Pada Benteng “Van Den Bosch” Ngawi Susanto, Doni; Untari, Erny; Khoiri, Halwa Annisa
Polinomial : Jurnal Pendidikan Matematika Vol. 5 No. 1 (2026)
Publisher : Papanda

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56916/jp.v5i1.3044

Abstract

Mathematics is often regarded as a discipline detached from social and cultural contexts, even though the development of mathematical concepts is inherently connected to human experiences in understanding space, form, and everyday needs. Ethnomathematics emerges as a perspective that highlights this interrelationship by positioning mathematical practices as an integral part of culture. This study aims to examine the application of mathematical concepts found in Van den Bosch Fort in Ngawi, a nineteenth-century colonial structure built by the Dutch for defense purposes and for monitoring strategic routes at the confluence of the Bengawan Solo and Madiun rivers. Employing a qualitative approach with an ethnographic method, this research conducted direct observations of the building’s structure, interviews with local informants, and visual documentation to identify mathematical elements embedded within the fort’s architectural features. The data analysis techniques used were data collection, data presentation and drawing conclusions. The findings reveal that various concepts of plane and solid geometry are represented through the shapes of the gateways, doors, windows, guard posts, and supporting pillars, which include squares, rectangles, equilateral triangles, right triangles, semicircles, and cylinders. These results demonstrate that colonial architecture was not solely designed based on strategic or military considerations, but also incorporated systematic mathematical principles. In addition to providing theoretical contributions to ethnomathematics studies, this research holds practical implications for the development of culture-based mathematics learning. By utilizing historical buildings as learning resources, students are expected to gain a more contextual and meaningful understanding of mathematics while cultivating an appreciation for the historical and local values embodied in Van den Bosch Fort.
Co-Authors Astuti, Indra Puji Doni Susanto, Doni Fatkhur R, M.Arif Khoiri, Halwa Annisa Kusumawati, Serlie Nita, Sekreningsih Rakhmah, Yasmine Nur Izzah rohmatul Sari, Eka Resty Novieta Sussolaikah, Kelik Via Yustitia