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All Journal Paradikma: Jurnal Pendidikan Matematika Journal on Mathematics Education (JME) Journal on Mathematics Education (JME) Al Ishlah Jurnal Pendidikan EKSAKTA : Jurnal Penelitian dan Pembelajaran MIPA JTAM (Jurnal Teori dan Aplikasi Matematika) JURNAL PENDIDIKAN TAMBUSAI Journal on Education Jurnal Ilmu Kepolisian Jurnal Review Pendidikan dan Pengajaran (JRPP) Jurnal Eduscience (JES) Mandalika Mathematics and Educations Journal Jurnal Pengabdian kepada Masyarakat Nusantara Amsir Law Jurnal (ALJ) Mosharafa: Jurnal Pendidikan Matematika Jurnal Ilmiah Wahana Pendidikan YURISDIKSI : Jurnal Wacana Hukum dan Sains SCIENCE : Jurnal Inovasi Pendidikan Matematika dan IPA NUSRA: Jurnal Penelitian dan Ilmu Pendidikan Journal of Student Research Indonesian Research Journal on Education Innovative: Journal Of Social Science Research Journal of Mathematical Pedagogy (JOMP) Amsir Community Service Journal Jurnal Cendekia Ilmiah Jurnal Pendidikan dan Sastra Inggris
Kairuddin .
Universitas Negeri Medan
Religion Agriculture, Biological Sciences & Forestry Arts Humanities Chemistry Computer Science & IT Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Energy Environmental Science Health Professions Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Library & Information Science Materials Science & Nanotechnology Mathematics Physics Public Health Social Sciences Other

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Pelatihan dan Penguatan Persiapan Kegiatan Olimpiade Matematika Dalam Penguatan Kemampuan Berfikir Pada Ekstrakurikuler Matematika Di Sma Negeri 1 Deli Tua Siregar, Fransisco Dinata; Simbolon, Iwan Martua; Sianipar, Tabitha Gabriela; ., Kairuddin
Jurnal Ilmiah Wahana Pendidikan Vol 12 No 1.A (2026): Jurnal Ilmiah Wahana Pendidikan
Publisher : Peneliti.net

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

This study aims to describe the implementation of training and preparatory activities for the Mathematics Olympiad as an effort to enhance students’ logical and systematic thinking through extracurricular activities at SMA Negeri 1 Deli Tua. The training was carried out using diagnostic teaching and intensive problem-solving drills, supported by inquiry-based learning strategies. Conducted over three days, the program involved 30 students selected based on prior performance and interest in mathematics. Results indicate a significant improvement in students’ average scores, rising from an initial 36.5 to approach the Minimum Mastery Criteria (KKM) of 75. Additionally, 80% of participants reported increased confidence and readiness to face mathematical competitions. The findings suggest that structured extracurricular mathematics programs play a vital role in fostering critical thinking skills and preparing students for high-level academic challenges such as the Mathematics Olympiad.
Analisis Kesalahan dan Kendala Siswa/i SMA Citra Harapan Percut dalam Menyelesaikan Sistem Persamaan Linear Dua Variabel (SPLDV) serta Solusi Pembelajarannya Kairuddin Kairuddin; Naftali Marbun; Renata Siburian; Jona Mikhael Hutagaol; Artorito Sitorus; Reva Lenita Girsang; Mirna Wulan Sari Sianipar
Jurnal Pendidikan dan Sastra Inggris Vol. 5 No. 3 (2025): Jurnal Pendidikan dan Sastra Inggris
Publisher : Lembaga Pengembangan Kinerja Dosen

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55606/jupensi.v5i3.6089

Abstract

This study aims to explore in depth the errors and obstacles experienced by students in learning the System of Linear Equations in Two Variables (SLSV), and to provide strategic solutions to improve their understanding and skills. SLSV is a fundamental topic that is very important for developing logical and analytical thinking skills. However, various studies show that students, especially at the vocational high school level, still face significant challenges, particularly when converting story problems into mathematical models, formulating strategies, and being thorough in completing the process. This study applies a qualitative descriptive method involving 25 students from grade X of SMK Swasta Citra Harapan located in Deli Serdang Regency. Primary data were collected through written tests (pre-test and post-test) and interviews with mathematics teachers. The findings of this study indicate that students' initial understanding of SLSV is still minimal, as reflected in the low percentage of correct answers in the pre-test (Problem 1: 32%; Problem 2: 48%). The most frequent errors made by students include the inability to convert story problems into mathematical models, errors in the elimination or substitution process, and errors in algebraic operations. The proposed approach is to implement integrated learning strategies, including Problem-Based Learning (PBL) to reinforce concepts, the use of interactive media to provide motivation, and the habit of systematically recording steps through the Think Talk Write (TTW) approach to improve procedural skills and the accuracy of answers. This study concludes that successful mastery of SPLDV requires a comprehensive strategy that combines conceptual, procedural, and motivational aspects.
Implikasi Hukum Perdagangan Internasional terhadap Kebijakan Biodiesel B50 atas Komoditas Minyak Sawit Indonesia Jumantoro, Tegar Raffi Putra; Kusuma, Ajeng Pramesthy Hardiani; Hasan, Nurhaedah; Kairuddin, Kairuddin
Amsir Law Journal Vol 7 No 2 (2026): April
Publisher : Faculty of Law, Institut Ilmu Sosial dan Bisnis Andi Sapada.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36746/alj.v7i2.683

Abstract

Indonesia's B50 biodiesel policy creates a legal dilemma between national energy policy sovereignty and international trade obligations under the WTO system. This research analyzes the legal implications of the B50 policy, which impacts the reduction of CPO export volumes and triggers allegations of protectionism from trading partners, particularly the European Union. Through a normative juridical approach employing statutory, conceptual, and comparative methods, this study examines the consistency of national regulations with WTO principles such as most favoured nation (MFN), national treatment, and transparency, while evaluating the legal justification space through development space principles and General Exceptions (Article XX GATT). A comparative study of Argentina's and Brazil's experiences in biodiesel disputes at the WTO reveals two different strategies: litigation based on technical documentation and diplomatic approaches with sustainable development narratives. This research finds that Indonesia has legal justification space for the B50 policy, but requires strengthened normative arguments, policy transparency, and technical document preparedness to anticipate potential disputes. These findings provide strategic contributions to formulating Indonesia's legal position in multilateral forums through the establishment of cross-sectoral task forces, strengthening policy narratives based on global justice, and optimizing international legal cooperation so that the B50 policy obtains both legal and international legitimacy.
AI-INTEGRATED DEEPIR MODEL-BASED STUDENT WORKSHEET: ENHANCING LEARNING OUTCOMES AND HOTS IN HIGHER EDUCATION Budi Halomoan Siregar; Zul Amry; Kairuddin Kairuddin; Cut Latifah Zahari; Noorhelyna Razali
JURNAL EDUSCIENCE Vol 13, No 3 (2026): IN PRESS
Publisher : Universitas Labuhanbatu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36987/jes.v13i3.8198

Abstract

Purpose – This study aims to develop student worksheets (SW) by integrating Artificial Intelligence (AI) into the DEEPIR model, aligning with an outcome-oriented instructional framework to improve HOTS and learning products (innovative learning media and scientific publications).Methodology – This study employed a design research approach, implemented through three main stages: preparation and design, design experiment, and retrospective analysis. The research participants were 22 students of Mathematics Education enrolled in the Learning Media course. The research instruments included observation sheets, validation and practicality sheets, HOTS-based tests, and product assessment rubrics. Data were obtained through learning observations and analysis of the validity, practicality, effectiveness, and results of student products. All data were analyzed descriptively and inferentially to assess the quality of the student worksheets.Findings – The study's results demonstrate high levels of validity, practicality, and effectiveness. The n-gain value is 0.783 (high category). All students (100%) successfully produced innovative learning media products that met the criteria for content and pedagogical validity. In addition, 82% of students published scientific articles in nationally accredited journals with a minimum Sinta 4 rating. These findings indicate that AI-integrated DEEPIR-based student worksheets significantly improve HOTS and students' ability to produce media products and scientific articles.Contribution – This study produce a replicable model that educators can adapt to design learning instruments that foster cognitive engagement and academic products. Strategically, this study emphasizes the importance of adopting AI-based learning tools to strengthen the quality, relevance, and global competitiveness of higher education.
Co-Authors A, Indah Abil Mansyur, Abil Al Luthfi, Muhammad Rafif Andriani, Anjelika Anshari, Fazril Anshari Anugerah Chrisjon Natalis Simanjuntak Artorito Sitorus Asmin Asmin, Asmin Asmin Panjaitan Astuti, Yunisyia Puji Avorika, Damar Cinta Azis, Muh Alfikram Berutu, Jhosua Budi Halomoan Siregar Bunda, Monika Sulistia Permata Damanik, Naila Ghinaya DAMANIK, THERESIA Darmawijoyo, Darmawijoyo Desiana, Rifka Fadilla, Nia Harahap, Qamaruddin Fadhilah Hasan, Nurhaedah Hasratuddin Hasratuddin Hutagalung, Chindy Fransiska Hutapea, Yonata Jona Mikhael Hutagaol Jumantoro, Tegar Raffi Putra Kasim, Aksah Kembaren, Shaerleen Naviry Br Kusuma, Ajeng Pramesthy Hardiani Letron, Letron Manalu, Jhonatan Manik, Sola Gracia Manurung, Hendra Cahyadi Manurung, Pera Masita, Nurul Mirna Wulan Sari Sianipar Muh. Akbar Fhad Syahril Muh. Darwis Muhammad Sabir Muhammad Wahyu Yazim Mulyono Mulyono Naftali Marbun Naila Ghinaya Damanik Nainggolan, Gustia Loiusa Nasution, Dhea Amanda Nazhatul Sahima Mohd Yusoff Nidia Lestari Noorhelyna Razali Nur Izhma Adzkia Zahra Oktarina, Gita Pane, Sally Mutiara Pasande, Jhon Franklin PENCAWAN, ANDRI PRATAMA Pradityo, Kanaka Wirasana Pransisto, Johamran Prasetya, Muhammad Rafly Putri Andini, Putri Putri, Aulia Eka Rahman, Arief Aulia Renata Siburian Reva Lenita Girsang Rhamadan, Putra Ritonga, Nurul Azizah S, Raysah P. S. Hadi, Muh. Hartarto Sally Mutiara Pane Samosir, Martha Indah Saputra, Iswandy Rani Sianipar, Tabitha Gabriela Sihotang, Harry Marcel Wahyu Simamora, Ronauli Simanjuntak, Anugerah Chrisjon Natalis Simanjuntak, Rosi Ade Putri Simbolon, Iwan Martua Sinaga, Petra Aprina Benedicta Sinaga, Sinta Marintan Sinurat, Putra Paulus Sinurat, Relly Siregar, Dea Athalia Siregar, Fransisco Dinata Siregar, Nur Hasanah Siti Sarah, Siti Sitorus, Grace Elicia Situmorang, Rani Nuldiva Sjam, Muh. Adam Sola Gracia Manik Sunardi Purwanda Supriyadi Supriyadi Tamba, Risna Apriani Tania, Nabilla Syalita Tanjung, July Yanty Tarigan, Marianche Ferbina Br Tarigan, Septi A. Tijjang, Bakhtiar Tinambunan, Indriyani Friska Ttriawan, Agung Wafiq Azizah Br. Sinaga Waniza, Elva Yolandari, Anisa Yunus, Muhammad Kemal Zahari, Cut Latifah Zul Amry