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All Journal FARABI: Jurnal Matematika dan Pendidikan Matematika Jurnal Abdimas Kartika Wijayakusuma OMEGA: Jurnal Keilmuan Pendidikan Matematika
Rangkuti, Sakdiah Aini
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Humanities Computer Science & IT Decision Sciences, Operations Research & Management Education Mathematics Social Sciences Other

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Pengembangan Aplikasi Geogebra Berbasis Budaya Batak Untuk Meningkatkan Kemampuan Visual Thinking Matematis Siswa Diva, Dian Fatma; Rizqi, Nur Rahmi; Rahmawati, Ayu; Rangkuti, Sakdiah Aini; Pulungan, Fitry Khairany; Prasiska, Melani; Fakhri, Nurhabibi
FARABI: Jurnal Matematika dan Pendidikan Matematika Vol 7 No 2 (2024): FARABI
Publisher : Program Studi Pendidikan Matematika FKIP UNIVA Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47662/farabi.v7i2.762

Abstract

This study evaluates the impact of developing a culturally grounded GeoGebra application on students' mathematical visual thinking abilities. Against the backdrop of a dearth of educational applications catering to local cultures, the research aims to address this gap. The methodology encompasses pre-test and post-test assessments, learning motivation surveys, classroom observations, and interviews with both students and educators. Data analysis reveals a significant enhancement in students' mathematical visual thinking abilities following the utilization of the application, accompanied by an upsurge in their learning motivation levels. These findings are corroborated by classroom observations and interviews, underscoring the application's role in augmenting student engagement and facilitating a more concrete understanding of mathematical concepts. The implications of this study underscore the significance of integrating culturally grounded educational technology to enhance the efficacy of mathematics education within the students' cultural contexts
Efektivitas TGT dan TSTS dalam Meningkatkan Komunikasi dan Problem Solving Matematis Siswa Rangkuti, Sakdiah Aini; Thahara, Malika; Tobing, Talitha Eriliyah Wardhana; Maharani, Israq
OMEGA: Jurnal Keilmuan Pendidikan Matematika Vol. 4 No. 1 (2025): OMEGA
Publisher : Program Studi Pendidikan Matematika, Fakultas Keguruan Dan Ilmu Pendidikan, Universitas Alwashliyah Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47662/jkpm.v4i2.927

Abstract

This study aims to analyze the improvement of students' mathematical communication and problem-solving skills through the implementation of cooperative learning models, namely Teams Games Tournament (TGT) and Think Pair Share (TPS). Data were collected through mathematical communication skill tests, mathematical problem-solving tests, observations, and interviews. The results indicate a significant improvement in students' mathematical communication and problem-solving skills using TGT and TPS models compared to conventional teaching methods. The TGT group showed an average increase in pretest and posttest scores of 19.8 points in communication skills and 21.9 points in problem-solving skills. The TPS group showed an average increase of 18.9 points in communication and 19.9 points in problem-solving. Meanwhile, the control group showed an average increase of only 8.2 points in communication and 9.4 points in problem-solving. The study recommends the broader application of cooperative learning models and teacher training to enhance teaching effectiveness.
Pelatihan Pengembangan Bahan Ajar Digital Bermuatan Kearifan Lokal Sumatera Utara Dalam Mitigasi Bullying di SMP Negeri 1 Delitua Kusyani, Diah; Panjaitan, Dedy Juliandri; Lubis, Lailan Syafira Putri; Rizqi, Nur Rahmi; Rangkuti, Sakdiah Aini; Nurlela, Nurlela
Jurnal Abdimas Kartika Wijayakusuma Vol 6 No 1 (2025): Jurnal Abdimas Kartika Wijayakusuma
Publisher : LPPM Universitas Jenderal Achmad Yani

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26874/jakw.v6i1.608

Abstract

Kegiatan pengabdian kepada masyarakat ini berupa pelatihan pengembangan bahan ajar digital bermuatan kearifan lokal Sumatera Utara dalam mitigasi bullying di sekolah. Metode pengabdian dilakukan dengan tahapan-tahapan yaitu tahap persiapan dan perencanaan, tahap pelaksanaan kegiatan, tahap pemantauan, dan tahap evaluasi. Peserta kegiatan adalah guru-guru SMP Negeri 1 Delitua. Hasil kegiatan menunjukkan adanya peningkatan kesadaran guru mengenai pentingnya kearifan lokal dalam mencegah dan menangani bullying serta memahami pentingnya mengembangkan bahan ajar digital yang inovatif dan relevan dengan konteks lokal dalam mitigasi bullying di sekolah.
Co-Authors AYU RAHMAWATI Dedy Juliandri Panjaitan Diva, Dian Fatma Fakhri, Nurhabibi Israq Maharani Kusyani, Diah Lubis, Lailan Syafira Putri Nurlela Nurlela Prasiska, Melani Pulungan, Fitry Khairany thahara, malika Tobing, Talitha Eriliyah Wardhana