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All Journal Jurnal Infinity AKSIOMA: Jurnal Program Studi Pendidikan Matematika AlphaMath: Journal of Mathematics Education Jurnal Elemen Al-Jabar : Jurnal Pendidikan Matematika Union: Jurnal Ilmiah Pendidikan Matematika JTAM (Jurnal Teori dan Aplikasi Matematika) Jurnal Pendidikan Matematika (Kudus) International Journal on Emerging Mathematics Education Malikussaleh Journal of Mathematics Learning (MJML) SJME (Supremum Journal of Mathematics Education) Jurnal Cendekia : Jurnal Pendidikan Matematika Jurnal Didactical Mathematics Jurnal Educatio FKIP UNMA Range : Jurnal Pendidikan Matematika BERNAS: Jurnal Pengabdian Kepada Masyarakat Pasundan International of Community Services Journal (PICS-J) Jurnal Dharma Bhakti Ekuitas Jurnal Didactical Mathematics International Journal of Educational Innovation and Research Jurnal Cakrawala Pendas Edukasiana: Jurnal Inovasi Pendidikan Journal of Innovation and Research in Primary Education Prosiding Konferensi Nasional Penelitian Matematika dan Pembelajarannya Indonesian Journal of Islamic Education Journal of Education For Sustainable Innovation JRAMathEdu (Journal of Research and Advances in Mathematics Education) SANISKALA: Jurnal Pengabdian Masyarakat Profesi Pendidikan Dasar Jurnal Infinity Journal of Multidisciplinary Research and Development SJME (Supremum Journal of Mathematics Education) Papanda Journal of Community Service Jurnal Didaktik Matematika Indonesian Mathematics Education Journal Eduma : Mathematics Education Learning and Teaching
Mohamad Gilar Jatisunda
Department Of Mathematics Education, Universitas Majalengka
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Discovery Learning with Scaffolding To Promote Mathematical Creative Thinking Ability And Self-Efficacy Jatisunda, Mohamad Gilar; Suciawati, Vici; Nahdi, Dede Salim
Al-Jabar: Jurnal Pendidikan Matematika Vol 11 No 2 (2020): Al-Jabar: Jurnal Pendidikan Matematika
Publisher : Universitas Islam Raden Intan Lampung, INDONESIA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24042/ajpm.v11i2.6903

Abstract

Mathematical creative thinking ability and self-efficacy are a combination of abilities students need to have when studying mathematics. Mathematical learning is expected to improve both abilities. However, teachers still use conventional learning such as direct teaching, which results in a low increase in students' mathematical creative thinking abilities and self-efficacy. So we need alternative student-centred learning and teachers as facilitators who provide scaffolding. The study was conducted to obtain a description of the discovery learning process with scaffolding which aims to improve the ability to think creatively and self-efficacy. Two quasi-experimental designs with three class groups were used: The Matching-only Pretest-posttest Control Group Design was used to measure mathematical creative thinking skills, and The Matching-only Posttest-only Control Group Design was used to measure the self-efficacy scale. Based on the results of one-way ANOVA, the mathematical creative thinking ability of students discovery learning with scaffolding is better than discovery learning and conventional learning. Likewise, this happens to 'self-efficacy, based on the one-way ANOVA that students' self-efficacy of discovery learning with scaffolding is better than discovery learning and conventional learning. The learning process of discovery learning with scaffolding has a positive impact on the improvement of mathematical creative thinking abilities and self-efficacy
Improving Understanding of Fraction Concepts Through Problem-Based Learning in Elementary Schools Cahyaningsih, Ujiati; Salimi, Moh; Nahdi, Dede Salim; Jatisunda, Mohamad Gilar; Rasyid, Abdur
Journal of Innovation and Research in Primary Education Vol. 4 No. 3 (2025)
Publisher : Papanda Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56916/jirpe.v4i3.1497

Abstract

Fraction concepts represent one of the most challenging mathematical domains in elementary education, with persistent international difficulties in student comprehension despite their fundamental importance for advanced mathematical proficiency. Traditional instructional methods emphasizing rote memorization have consistently demonstrated limitations in fostering deep conceptual understanding. This study investigated the effectiveness of Problem-Based Learning (PBL) in enhancing elementary students' fraction understanding compared to conventional teaching approaches. A quasi-experimental design with non-equivalent control groups was employed, involving 38 elementary students from nine schools. The experimental group (n=16) received PBL instruction featuring authentic, real-world fraction problems requiring collaborative solution strategies, while the control group (n=22) participated in traditional direct instruction. Data collection utilized pre-test and post-test assessments measuring conceptual and procedural fraction understanding, structured classroom observations documenting engagement and learning behaviors, and student feedback questionnaires capturing motivation and confidence levels. The experimental group demonstrated substantial improvement with a mean increase of 33.25 points (Cohen's d = 3.47), while the control group showed minimal gains (7.78 points, Cohen's d = 0.91). Paired-sample t-tests confirmed statistically significant differences (p < 0.001) favoring the experimental group. Qualitative analysis revealed enhanced collaborative learning, mathematical discourse, and problem-solving confidence among PBL participants. Student motivation scores were significantly higher in the experimental group (M = 4.31 vs. 3.18). Results provide robust empirical evidence supporting PBL's superiority over traditional methods for fraction instruction. The findings validate constructivist learning principles and demonstrate that authentic problem-solving contexts facilitate deeper conceptual understanding, multiple representational thinking, and sustained student engagement, addressing persistent challenges in elementary mathematics education.
Exploring Students’ Critical Thinking Skills Through an Analysis of Their Responses to Trigonometry Problems Ramadhan, Dadan; Jatisunda, Mohamad Gilar
Edukasiana: Jurnal Inovasi Pendidikan Vol. 4 No. 3 (2025)
Publisher : Papanda Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56916/ejip.v4i3.2358

Abstract

This study aims to analyze students’ critical thinking skills in solving trigonometry problems using a qualitative case study approach. The participants were 29 twelfth-grade students from SMAN 1 Kadipaten. Data were collected through classroom observations, students’ written responses, and semi-structured interviews and were analyzed using NVivo 14 software. The findings revealed that only a small proportion of students demonstrated adequate critical thinking indicators, particularly in the areas of interpretation, analysis, inference, and evaluation. While 69% of students were able to construct appropriate mathematical models, only 31% correctly applied relevant formulas, and merely 3% succeeded in accurately stating the final answers. The interview results supported the analysis, indicating that many students faced conceptual misunderstandings, procedural difficulties, and lacked reflective thinking in validating their solutions. These findings underscore the need to enhance students’ critical thinking skills through visual learning tools, reflective discussions, and contextual problem-solving exercises. This study contributes to the development of diagnostic assessment instruments and the design of adaptive instructional strategies in mathematics education, particularly for complex topics such as trigonometry.
Enhancing Adaptive Reasoning Ability In Senior High School Students Using The Guided Inquiry Method: A Quasi-Experimental Study Jatisunda, Mohamad Gilar; Nahdi, Dede Salim; Cahyaningsih, Ujiati; Rasyid, Abdur
Journal of Multidisciplinary Research and Development Vol. 1 No. 2 (2024)
Publisher : Papanda Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56916/jmrd.v1i2.915

Abstract

This study aims to evaluate the effect of the guided inquiry method on students' adaptive reasoning ability at the secondary school level. With a quasi-experimental design using a Nonequivalent Control Group Design, class X IPS 1 applied guided discovery, while class X IPS 2 was the control with conventional learning. Adaptive reasoning ability data were obtained from pretests and posttests, then tested using paired-sample T-test. The results showed a significant increase in the experimental class (N-Gain: 0.64) compared to the control class (N-Gain: 0.55), with a significance value of 0.009. This finding indicates that the application of the guided discovery method has a more significant positive impact on improving students' adaptive reasoning ability when compared to conventional learning. The implication is that teachers and education practitioners can consider using this method to improve the quality of mathematics learning at the secondary school level. Further studies could explore specific aspects of this method and its long-term impact on student achievement
Implementasi Proleco-Didactical Design Research untuk Mengembangkan Pengetahuan Profesional Guru Matematika Sekolah Dasar di Kecamatan Cikijing, Kabupaten Majalengka Jatisunda, Mohamad Gilar; Umbara, Uba; Rohimatunnisa, Dela; Fitriyani, Dea; Amelia, Rosa; Febriana, Dea Sekar Ayu
Papanda Journal of Community Service Vol. 3 No. 1 (2024)
Publisher : Paguyuban Panalungtik Sunda (Papanda)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56916/pjcs.v3i1.2379

Abstract

Program pengabdian kepada masyarakat ini bertujuan untuk meningkatkan profesionalisme guru Sekolah Dasar (SD) melalui implementasi Professional Learning Community berbasis Didactical Design Research (Proleco-DDR) di Kecamatan Cikijing, Kabupaten Majalengka, Jawa Barat. Kegiatan ini dirancang untuk memperkuat pengetahuan profesional guru sekolah dasar dalam mata pelajaran matematika, mendorong kolaborasi dalam komunitas belajar lokal, serta mengembangkan inovasi pembelajaran yang relevan dengan konteks sekolah dan karakteristik peserta didik di wilayah tersebut. Melalui workshop guru dilatih untuk melakukan refleksi praktik pembelajaran, berdialog secara argumentatif, dan menulis narasi pengalaman untuk mengatasi tantangan pembelajaran di kelas. Hasil program menunjukkan peningkatan kemampuan guru dalam merancang pembelajaran berbasis DDR, terbentuknya publikasi artikel ilmiah, serta munculnya komunitas Proleco-DDR yang aktif dan berkelanjutan. Selain itu, program ini berhasil memperkuat kolaborasi antara guru, kepala sekolah, dan pengawas pendidikan dalam upaya meningkatkan kualitas pembelajaran SD di Kecamatan Cikijing. Untuk memastikan keberlanjutan program, direkomendasikan pelaksanaan monitoring berkala, penguatan komunitas Proleco-DDR, serta diseminasi hasil praktik baik ke wilayah lain di Kabupaten Majalengka.
Pendampingan Guru Pada MGMP SMA Kabupaten Majalengka Dalam Mendesain Pembelajaran Berbasis Riset: Implementasi Didactical Design Reseach Jatisunda, Mohamad Gilar; Rahmatudin, Jajang; Nuraida, Ida; Julia, Rida; Nurhanifah, Nurhanifah; Wiranegara, Relifa
Papanda Journal of Community Service Vol. 2 No. 1 (2023)
Publisher : Paguyuban Panalungtik Sunda (Papanda)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56916/pjcs.v2i1.2384

Abstract

Peningkatan kualitas pembelajaran matematika menuntut guru untuk mampu merancang pembelajaran yang berpusat pada siswa, namun guru matematika SMA di Kabupaten Majalengka masih banyak yang menerapkan pola content-driven dan belum terbiasa mendesain pembelajaran berbasis riset yang memperhatikan hambatan belajar siswa. Tujuan kegiatan pengabdian ini adalah meningkatkan pemahaman dan kemampuan guru dalam merancang pembelajaran berbasis Didactical Design Research (DDR) melalui pendampingan pada forum MGMP. Metode kegiatan dilaksanakan melalui tiga tahapan, yaitu pra-workshop, pelaksanaan workshop dan Forum Group Discussion (FGD), serta pasca-workshop yang diikuti oleh 56 guru matematika SMA di Kabupaten Majalengka. Instrumen yang digunakan mencakup angket, lembar observasi, dan rubrik penilaian desain pembelajaran. Hasil kegiatan menunjukkan adanya peningkatan pemahaman, partisipasi, dan antusiasme guru terhadap pembelajaran berbasis riset sebagai alternatif selain Penelitian Tindakan Kelas (PTK). Selama kegiatan, peserta berhasil menyusun luaran berupa analisis kurikulum dan identifikasi hambatan belajar siswa. Pada tahap pasca-workshop, 85,7% peserta berhasil menyusun analisis apriori yang komprehensif, sementara 92,9% peserta telah mengimplementasikan desain pembelajaran mereka di kelas dan melakukan refleksi posteori. Kegiatan ini disimpulkan efektif dalam meningkatkan kompetensi guru SMA dalam merancang pembelajaran berbasis riset. Namun, meskipun desain pembelajaran telah siap, guru masih memerlukan pendampingan klinis lanjutan berupa coaching clinic for writing untuk mentransformasikan hasil analisis apriori dan posteori menjadi karya tulis ilmiah yang sistematis, sehingga dapat memberikan kontribusi yang lebih luas bagi pengembangan pendidikan matematika.
Program Pencegahan Perilaku Bullying melalui Internalisasi Nilai-Nilai Rahmatan lil ‘Alamin bagi Santri di Pondok Pesantren At-Tazkir Ansori, Yoyo Zakari; Jatisunda, Mohamad Gilar; Nengsih, Rina
Papanda Journal of Community Service Vol. 4 No. 1 (2025)
Publisher : Paguyuban Panalungtik Sunda (Papanda)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56916/pjcs.v4i1.2462

Abstract

Kegiatan pengabdian ini dilaksanakan di Pondok Pesantren At-Tadzkir Maja, Majalengka, dengan sasaran utama para santri yang memiliki latar belakang sosial, budaya, dan pendidikan beragam. Tujuan program adalah menginternalisasikan nilai rahmatan lil alamin melalui pendekatan Values Clarification Technique (VCT) dan model analisa nilai dengan metode ceramah interaktif, diskusi kelompok, studi kasus, serta pelatihan keterampilan produktif. Evaluasi dilakukan dengan observasi, wawancara, dan angket pra–pasca kegiatan. Hasil menunjukkan adanya peningkatan signifikan pada tiga ranah utama. Pertama, ranah sikap (afektif), ditandai dengan peningkatan kesadaran toleransi, anti-bullying, serta pemahaman nilai rahmatan lil alamin hingga 30%. Kedua, ranah sosial-budaya, ditandai dengan terbentuknya forum komunikasi santri yang mendorong budaya musyawarah serta berkurangnya kasus perundungan sebesar 40% dalam tiga bulan. Ketiga, ranah ekonomi, ditandai dengan meningkatnya keterampilan wirausaha melalui pelatihan produksi tahu dan tempe, yang mendorong terbentuknya tiga kelompok usaha santri dengan produk layak konsumsi. Temuan ini menegaskan bahwa internalisasi nilai melalui pendekatan VCT tidak hanya efektif membentuk karakter santri, tetapi juga mampu memperkuat kohesi sosial dan meningkatkan kemandirian ekonomi. Dengan demikian, kegiatan ini berkontribusi pada terciptanya lingkungan pesantren yang aman, toleran, dan produktif sesuai dengan prinsip rahmatan lil alamin.
Pendampingan Guru Matematika SMA di Kabupaten Majalengka dalam Pemanfaatan Sumber Daya Digital untuk Pengembangan Profesionalisme Jatisunda, Mohamad Gilar; Hartanto, Ahmad Iqbal; Utami, Wulan Putri
Papanda Journal of Community Service Vol. 4 No. 1 (2025)
Publisher : Paguyuban Panalungtik Sunda (Papanda)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56916/pjcs.v4i1.2495

Abstract

Kegiatan pengabdian kepada masyarakat ini bertujuan untuk meningkatkan kompetensi digital guru Matematika SMA di Kabupaten Majalengka melalui pendampingan berbasis penguatan literasi digital. Metode yang digunakan meliputi workshop interaktif, coaching dan mentoring, serta evaluasi dan refleksi dengan pendekatan knowing–doing–reflecting. Hasil kegiatan menunjukkan adanya peningkatan signifikan dalam pemahaman literasi digital, keterampilan penggunaan aplikasi interaktif (GeoGebra, Desmos, Quizizz, dan Kahoot), serta kepercayaan diri guru dalam merancang RPP berbasis digital. Evaluasi menunjukkan bahwa 82% guru memperoleh keterampilan baru, 76% lebih percaya diri, dan 88% menilai program relevan dengan kebutuhan profesional mereka. Meskipun terdapat kendala teknis berupa keterbatasan perangkat dan jaringan internet, kegiatan ini terbukti mampu memperkuat profesionalisme guru Matematika serta meningkatkan kualitas pembelajaran. Program ini disarankan untuk dilaksanakan secara berkelanjutan guna menyesuaikan keterampilan guru dengan perkembangan teknologi pendidikan di era digital
Literasi Statistika Mahasiswa Adminitrasi Publik Jatisunda, Mohamad Gilar; Nahdi, Dede Salim; Suciawati, Vici
SJME (Supremum Journal of Mathematics Education) Vol 4 No 2 (2020): Supremum Journal of Mahematics Education
Publisher : Fakultas Keguruan dan Ilmu Pendidikan Universitas Singaperbangsa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35706/sjme.v4i2.3488

Abstract

Kemampuan literasi statistika merupakan salah satu aspek pentingpembelajaran matematika yang perlu di kuasai oleh mahasiswa.Beberapa hasil studi menggambarkan kemampuan literasi satistikamasih belum memuaskan. Alternatif yang dapat meningkatkankemampuan literasi statsitika adalah penggunaan pembelajaranberbasis masalah. Tujuan dari penelitian untuk menganalisisperbadaan kemampuan literasi statistika dan implikasi terhadap prosespembelajaran. Penelitian ini menggunakan metode Pre-Eksperimentdengan tipe One-shot Case Study. Populasi penelitian ini adalahseluruh mahasiswa administrasi publik di Universitas Majalengka,dengan sampel sebanyak 60 orang. Penelitian ini menghasilkan adanyaperbedaan signifikan kemampuan lietarasi statistika. Implikasiterhadap proses pembelajaran berbasis masalah, penting untukmempersiapkan materi ajar yang berdasarkan kebutuhan siswa tidakhanya sebatas bagaimana membuat aktivitas siswa mengkontruksipengetahuannya.
Praxeological analysis of junior secondary students’ epistemological obstacles in algebraic operations Jatisunda, Mohamad Gilar; Hoon, Teoh Sian; Jamilah, Jamilah; Rohimatunissa, Dela
JRAMathEdu (Journal of Research and Advances in Mathematics Education) Volume 10, Issue 4, October 2025
Publisher : Lembaga Pengembangan Publikasi Ilmiah dan Buku Ajar, Universitas Muhammadiyah Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23917/jramathedu.v10i4.13374

Abstract

This study investigates junior secondary students’ epistemological obstacles to learning algebraic operations through a praxeological framework grounded in the Anthropological Theory of the Didactic (ATD), with Didactical Design Research (DDR) as the conceptual orientation. Diagnostic algebra tasks and semi-structured interviews were administered to six seventh-grade students in Indonesia to examine their algebraic techniques and justifications. Students’ written and verbal responses were analysed by reconstructing tasks (T), techniques (τ), technologies (θ), and theories (Θ). The findings reveal that students generally exhibit procedural fluency in routine tasks, such as simplification and distributive expansion. However, substantial epistemological obstacles arise in tasks that require justification, relational interpretations of equality, variable generalisation, and contextual transfer. These obstacles are characterised by a misalignment between students’ correct techniques and weak or absent justificatory discourse, indicating that procedural correctness does not consistently reflect conceptual understanding. This study contributes to mathematics education by offering a fine-grained praxeological analysis that makes epistemological obstacles often overlooked in error-based analyses visible. By distinguishing students’ actions from their justifications, the study clarifies the structural nature of algebraic difficulties and identifies instructional directions that emphasise relational equality, explicit justification, and stable conceptions of variables to support deeper structural and theoretical understanding of algebra.
Co-Authors Abdur Rasyid Abdur Rasyid, Abdur Ahmad Rifqy Ash-Shiddiqy Amelia, Rosa Anda Juanda Ansori, Yoyo Zakari Ansori, Yoyo Zakaria Azman, Mohamed Nor Azhari Dadang Sudirno Davron Aslonqulovich Juraev Dede Salim Nahdi Dede Salim Nahdi Dede Trie Kurniawan Dela Rohimatunnisa Dendi Irawan Didi Suryadi Erik Santoso Evi Sopiyah Febriana, Dea Sekar Ayu Fitriyani, Dea Hani Sri Mulyani Hartanto, Ahmad Iqbal Hilda Mahmudah Ida Nuraida Iik Nurhikmayati Iik Nurhikmayati, Iik Ipin Aripin Ira Nurlatifah Ismayanti, Syifa Jamilah Jamilah Julia, Rida Laelasari Laelasari Lita Lita Lita Lita Lita, Lita Mardiyah Syofiana Maria Hidayanti MARIA HIDAYANTI, MARIA Moh Salimi Mohamed Nor Azhari Azman Mubiar Agustin Nandang Arif Saefuloh Nengsih, Rina Nia Kania Nunuy Ratnawulan Nurhanifah Nurhanifah Nurudin Araniri Rahma Halipah Rahmatudin, Jajang Ramadhan, Dadan Ratna Hidayah Riepah, Ipah Rohimatunissa, Dela Rohimatunnisa, Dela Rosidah, Ani Saefuloh, Nandang Arif Santoso, Erik Silfi Audina Sudianto Sudianto Sudirno, Dadang Sufyani Prabawanto, Sufyani Suryaningsih, Yeni Syifa Ismayanti Teoh Sian Hoon Ujiati Cahayaningsih Ujiati Cahyaningsih Umbara, Uba Umbara, Uba Utami, Wulan Putri Vici Suciawati Wiguna, Siska Adi Wiranegara, Relifa Wulan Putri Utami Wulan Putri Utami Yanti Mulyanti Yeni dwi Kurino Yuliani Yuliani