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All Journal Electronic Journal of Graph Theory and Applications (EJGTA) Palapa: Jurnal Study Keislaman dan Ilmu Pendidikan Jurnal Penelitian Pendidikan IPA (JPPIPA) MAJAMATH: Jurnal Matematika dan Pendidikan Matematika BAHTERA : Jurnal Pendidikan Bahasa dan Sastra Jurnal Pengabdian Masyarakat Sains Indonesia (Indonesian Journal Of Science Community Services) Jurnal Ilmiah Profesi Pendidikan Mandalika Mathematics and Educations Journal Journal of Classroom Action Research Majalah Ilmiah Matematika dan Statistika (MIMS) Jurnal Teknologi Informatika dan Komputer Jurnal Pendidikan, Sains, Geologi, dan Geofisika (GeoScienceEd Journal) Jurnal Teknologi Pendidikan : Jurnal Penelitian dan Pengembangan Pembelajaran Lumbung Inovasi: Jurnal Pengabdian Kepada Masyarakat Griya Journal of Mathematics Education and Application Rengganis Jurnal Pengabdian Masyarakat Unram Journal of Community Service (UJCS) Jurnal Pijar MIPA Journal of Social Outreach Jurnal Pendidikan dan Pengabdian Masyarakat Dedikasi Cendekia: Warta Pengabdian Pendidikan Sigma&Mu: Journal of Mathematics, Statistics and Data Science Indonesian Journal of STEM Education Indonesian Journal of Applied Science and Technology Jurnal Didaktik Matematika
Amrullah Amrullah
Departement Of Mathematics, University Of Mataram, Jl. Majapahit No. 62 Mataram, Indonesia
Religion Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Computer Science & IT Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Engineering Environmental Science 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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Penerapan Metode Welch-Powell Improvement Pada Pewarnaan Graf Untuk Penjadwalan KBM SMAN 7 Mataram Menggunakan Python Abi Rizky, Muhammad; Amrullah, Amrullah; Primajati, Gilang
Griya Journal of Mathematics Education and Application Vol. 5 No. 4 (2025): Desember 2025
Publisher : Pendidikan Matematika FKIP Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/griya.v5i4.910

Abstract

The preparation of teaching and learning schedules is often problematic, one of the reasons being the limited number of teachers, which means that one teacher has to teach several classes at the same time. This research is an applied study that aims to obtain a teaching and learning schedule without overlap by applying graph coloring using the Welch-Powell Improvement method. Graph coloring using the Welch-Powell Improvement method is a solution to solve scheduling problems at SMAN 7 Mataram. Based on the scheduling data, an adjacency matrix with a size of 898×898 and a chromatic number of 27 was obtained. The adjacency matrix was determined with the help of the Python programming language. The schedule was compiled by first creating a scheduling conflict graph based on the lesson schedule data, then coloring the graph using the Welch-Powell Improvement algorithm. Based on the coloring results obtained, the schedule was compiled by considering each node color. Subjects with the same color were scheduled at the same time and vice versa. The resulting class schedule was free of overlaps. This was because the chromatic number obtained in the graph coloring was smaller than the available time slots at SMAN 7 Mataram.
Analisis Kesalahan Siswa SMP pada Penyelesaian Masalah Sistem Persamaan Linear Dua Variabel Anna Citra Islamiyah; Sudi Prayitno; Amrullah Amrullah
Didaktik Matematika Vol 5, No 1 (2018): Jurnal Didaktik Matematika
Publisher : Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24815/jdm.v5i1.10035

Abstract

Background of this research is many student errors at solving linear equation systems with two variables problems. The research aim is to know the kinds and level of errors at solving linear equation systems with two variables problems. This research is descriptive quantitative. The subject of this study is 30 students grade 7 from one of junior high school at Mataram, West Nusa Tenggara. A data collection done by tested and interviewed. The error of the problem solving that could analyze were a reading error, comprehension, transformation, process skills and encoding. Result of the research indicate that percentage of reading error was 17.78% (too low category), comprehension error was 55.56% (middle category), transformation error was 18.52% (too low category), process skills error was 36.67% (low category) and encoding error was 83.70% (too high category).
Pendampingan Pemanfaatan Zoom dan Moodle sebagai Sarana Pembelajaran Daring untuk Dosen Jurusan Ilmu Pendidikan FKIP Universitas Mataram Muntari Muntari; Amrullah Amrullah; ‪Mohammad Archi Maulyda; Dadi Setiadi; I Made Sujana
Dedikasi Cendekia: Warta Pengabdian Pendidikan Vol. 2 No. 1 (2025)
Publisher : Educational Consultant & Counseling Career (EC3) Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.66653/dedikasicendekia.v2i1.27

Abstract

The COVID-19 pandemic that hit the world in 2020 has forced all educational institutions, including the University of Mataram, to quickly adapt to online learning systems. In response to this, the Laboratory of Educational Development and Learning Technology (LPPTP) FKIP, University of Mataram held online mentoring activities aimed at improving lecturers' competence in utilizing the Zoom and Moodle platforms as a means of distance learning. This activity was carried out through several interactive training sessions involving experienced facilitators and attended by all lecturers in the department. The training materials included mastery of Zoom features for synchronous lectures and the use of Moodle as a Learning Management System for managing online classes. The results of the mentoring showed an increase in the technical and pedagogical abilities of lecturers in designing and implementing online learning more effectively and interactively. Evaluation of activities through questionnaires and open discussions indicated that this activity was very useful and relevant to learning needs during the crisis. This activity is also the first step towards a more structured and sustainable digital transformation of education in the FKIP environment of the University of Mataram.
Optimalisasi Pelayanan Pengisian Bahan Bakar Menggunakan Simulasi Monte Carlo Pada SPBU di Kota Mataram Aria Fauzi; Amrullah Amrullah; Nani Kurniati
Indonesian Journal of Applied Science and Technology Vol. 1 No. 4 (2020): Edisi Desember 2020
Publisher : Indonesian

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

Abstract

Good quality service for refueling fuel oil (BBM) at gas stations was vital for today's society. However, the service quality at gas stations has not been known until now. One of the gas stations that were strategic in Mataram city, namely SPBU 54.832.03 on Jl. Majapahit Pagesangan. One of the factors affecting the quality of gas station services is the availability of the number of dispensers that services customer at the gas station. Therefore, the research of the optimal gas station service's optimal condition was based on the number of dispensers of fuel. We use the distribution of arrival times of customers and service times at the gas stations. On the observation, we use two kinds of fuel dispensers, namely the dispenser of Premium and Pertalite for the motorcycle. The Monte Carlo simulation method shows that the optimal number of dispensers for the SPBU is three nozzles for Premium dispensers and 4 for Pertalite Motorcycle dispensers.
Peningkatan Hasil Belajar Pendidikan Matematika Melalui Model Pembelajaran Kooperatif Tipe (TGT) pada Siswa Kelas IVdi SDN 12 Mataram Tahun Ajaran 2024/2025 Dedy Kusnaeni; Amrullah; Dika Areka
Jurnal Pendidikan, Sains, Geologi, dan Geofisika (GeoScienceEd Journal) Vol. 7 No. 2 (2026): May
Publisher : Mataram University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/goescienceed.v7i2.1937

Abstract

This study aimed to improve students’ mathematics learning outcomes through the implementation of the Teams Games Tournament (TGT) cooperative learning model in fourth-grade students at SD Negeri 12 Mataram during the 2024/2025 academic year. The research employed Classroom Action Research (CAR) using the Kemmis and McTaggart model, which consisted of two cycles. Each cycle included four stages: planning, implementation, observation, and reflection. The research subjects consisted of 14 students. Data were collected through pre-tests, post-tests, and observation sheets. The findings revealed that before the implementation of the TGT cooperative learning model, the average student score was 59.1, with only 14.3% of students achieving the Minimum Mastery Criteria (KKM). After the implementation of the TGT model, the average score increased to 83.2, and 92.2% of students successfully achieved the KKM. The improvement indicated that the TGT cooperative learning model effectively enhanced students’ conceptual understanding and participation in mathematics learning. The success of this model was supported by active learning activities that encouraged students to think critically, collaborate, and engage in group discussions. Therefore, the TGT cooperative learning model is recommended as an effective strategy to improve mathematics learning outcomes in elementary schools.
Co-Authors Abda Abda Abdul Haris Munandar Abi Rizky, Muhammad Abida Wadiatun Ilahi Afandi, Noval Afifurrahman Afifurrahman Ahmad Badawi Aliyatul Himmah Amelia Kusuma Andri Okta Firmansyah Anna Citra Islamiyah Annisa Annisa Aria Fauzi Arifuddin Arifuddin Arjudin Arjudin Arjudin Arjudin Atiqa Firdaus Aulia, Syafa Baehaqi Baidowi Baidowi Baiq Anita Rahayu Bisriyah, Bisriyah Bq. Nerik Prawita Caesarla Elintang Yolawati Dadi Setiadi Darojatun Fikri Dedy Kusnaeni Deni Deni Deni Hamdani Dian Endang Lestari Dika Areka Eka Kurniawan Eka Kurniawan Ekky Irza Afriansyah Ery Nurjayanto Fadila, Kasturi Anisa Farizal Ramadhan Farizal Wahyu Trigantara Feby Attina Sari Firdaus, Atiqa Firmansyah, Didi Gossani Puja Lestari H. Lalu Nurtaat Hadisaputra, S. Hapipi Hapipi Hardika Budianto Harry Soeprianto Harry Soeprianto Harry Soeprianto Hasan, Riska Rahmawati Hendi, Muhammad Herman Firdaus Hidayah, Khulaeni Hidayatul Hidayanti, Gusma I Made Sujana I Nyoman Sridana I. M. Sujana Iftahul Muhayana Ikrimatullael Ikrimatullael Ilhamdi, M. L. Jihan Fahira Juliyanti Juliyanti Junaidi Junaidi Junaidi Junaidi Junaidi Junaidi Ketut Sarjana Ketut Sarjana KETUT SARJANA, KETUT Kurniawan, Eka Laila Hayati Laila Hayati Laila Hayati, Laila Laili Gadis Hasanah Lalu Nurtaat Lalu Riki Gita Sukma M. Khairul Miswari M. L. Ilhamdi M. Satria Ramanda Maksud, Maksud Mar'atun Atun Mariamah Mariamah Muh. Makhrus Muhammad Arifuddin Muhammad Fadjri Muhammad Turmuzi Muhammda Faisal Khatami Muntari Muntari Muslim Muslim Nani Kurniati Nani Kurniati Ni Made Ayu Ulandari Ni Made Intan Kertiyani Nina Muthmainnah Nopyta Intan Sari Nourma Nourma Nourma Pramestie Wulandari Nur Asniati Nurdianti Nurdianti NURUL HIKMAH Nurul Hikmah Nurul Hikmah Nurul Indah Nurul Pratiwi Nyoman Sridana Nyoman Sridana Nyoman Sridana Prayitno S Primajati, Gilang Purnamasari, Erni Putri Husnul Khotimah Rahmani , Irma Richard Yesaya Simanjuntak Ridha Wahidatul Ilmi Riki Tarnanda S. Hadisaputra Salsabila, Nilza Humaira Sangga Patih Alam Septiyana Kurnia Hartatin Sinta Silviana Muslim Sri Seno Handayani Sri Seno Handayani Sri Subarinah Sri Subarinah Sri Subarinah Sri Subarinah Sri Subarinah, Sri Sridana Sridana Sripatmi Sripatmi Sripatmi Sripatmi Sripatmi Sripatmi, Sripatmi Suci Fatmala Sari Sudi Prayitno Sudi Prayitno Sugiarty, Vetty Sujana, I. M. Syahrul Azmi Syahrul Azmi Syahrul Azmi Syawahid, M Tri Rahayu Agustina Udin Udin Ulfa Lu’luilmaknun Wahidaturrahmi Wahidaturrahmi, Wahidaturrahmi Widiati Wulandari, Nourma Pramestie Zanirah Permatasari ‪Mohammad Archi Maulyda