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All Journal Jurnal Humanitas: Katalisator Perubahan dan Inovator Pendidikan Jurnal Elemen JPPM (JURNAL PENELITIAN DAN PEMBELAJARAN MATEMATIKA) REMIK : Riset dan E-Jurnal Manajemen Informatika Komputer BERNAS: Jurnal Pengabdian Kepada Masyarakat Jurnal Scientia Jurnal Pengabdian kepada Masyarakat Nusantara COMMUNITY : Jurnal Pengabdian Kepada Masyarakat JUKESHUM: Jurnal Pengabdian Masyarakat Jaliye: Jurnal Abdimas, Loyalitas, dan Edukasi Pengabdian Deli Sumatera
Rusmini, Rusmini
Sistem Informasi, Universitas Potensi Utama
Religion Agriculture, Biological Sciences & Forestry Humanities Computer Science & IT Decision Sciences, Operations Research & Management Dentistry Economics, Econometrics & Finance Education Engineering Environmental Science Health Professions Languange, Linguistic, Communication & Media Mathematics Neuroscience Nursing Public Health Social Sciences Veterinary Other

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From cultural movement to structural equivalence: Modeling graph isomorphism through serampang dua belas dance Rahmi Ramadhani; Nuraini Sri Bina; Suci Dahlya Narpila; Muhammad Rizky Mazaly; Rusmini Rusmini
Jurnal Elemen Vol 12 No 2 (2026): April
Publisher : Universitas Hamzanwadi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29408/jel.v12i2.34059

Abstract

This study addresses a limitation in ethnomathematics research, which often does not go beyond identifying visual patterns, by examining how ethnomathematical modeling of traditional dance can illuminate graph isomorphism. Focusing on the Serampang Dua Belas dance of North Sumatra, the study employs a qualitative ethnographic approach, with data collected through performance observations, video documentation, interviews with cultural experts in Serdang Bedagai Regency, and a review of choreographic literature. Movement sequences were analyzed through data reduction, categorization of transition patterns, and reconstruction of spatial–temporal relations, then modeled as directed graphs using GeoGebra. Dancers’ positions were represented as vertices and transitions as directed edges, enabling formal analysis through adjacency matrices and bijective mappings to verify isomorphism. The findings reveal that although the variations differ visually, several segments exhibit structural equivalence across linear, cyclic, and loop-containing graphs. This study advances ethnomathematics toward formal structural verification grounded in graph theory and highlights its potential to support relational understanding in discrete mathematics learning.
Implementasi GeoDeepler untuk Meningkatkan Kemampuan Kreativitas dalam Merancang Pembelajaran Bagi Guru Sekolah Dasar Rusmini Rusmini; Rahmi Ramadhani; Muhammad Rizky Mazaly; Chyntia Dewi; Dina Lestari
JALIYE: Jurnal Abdimas, Loyalitas, dan Edukasi Vol. 5 No. 1 (2026): JALIYE: Jurnal Abdimas, Loyalitas, dan Edukasi
Publisher : Fakultas Keguruan dan Ilmu Pendidikan UNIVA Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47662/jaliye.v5i1.1277

Abstract

Materi geometri di sekolah dasar sering kali bersifat abstrak sehingga sulit dipahami siswa, sementara kreativitas guru dalam merancang pembelajaran digital masih tergolong rendah akibat keterbatasan literasi TIK, ketergantungan pada metode konvensional, dan minimnya kepercayaan diri dalam mengoperasikan perangkat digital. Kegiatan pengabdian ini bertujuan meningkatkan kemampuan kreativitas guru sekolah dasar dalam merancang pembelajaran geometri melalui implementasi aplikasi GeoDeepler. Kegiatan dilaksanakan di UPT SPF SD Negeri 101871 Sidodadi, Kabupaten Deli Serdang, dengan sepuluh guru sebagai peserta. Metode pelaksanaan menggunakan pendekatan Participatory Technology Development yang terdiri atas empat tahapan, yaitu persiapan dan analisis kebutuhan, pelatihan intensif, pendampingan implementasi kelas, serta monitoring dan evaluasi. Hasil kegiatan menunjukkan kemampuan kreativitas guru mencapai rata-rata 81,50% dengan kategori baik, meliputi aspek perencanaan pembelajaran (89,50%), pengembangan konten (81,00%), penerapan strategi (78,00%), dan evaluasi serta refleksi (77,50%). Guru berhasil bertransformasi dari sekadar pengguna teknologi menjadi pengembang konten digital yang mampu menghadirkan visualisasi geometri secara dinamis dan interaktif. Disimpulkan bahwa GeoDeepler efektif mengatasi hambatan teknis maupun psikologis guru dan mendorong keberlanjutan budaya inovasi pembelajaran digital di sekolah dasar.
PENGUATAN SULAM OTOMATIS BERBASIS INOVASI, LITERASI NUMERASI, DIGITAL MARKETING UNTUK KEMANDIRIAN EKONOMI MASYARAKAT Rusmini Rusmini; Kartika Sari Lubis; Linda Wahyuni; Kayla Khairani; Dinda Prasasti; Aizat Ramadhan
COMMUNITY : Jurnal Pengabdian Kepada Masyarakat Vol. 6 No. 2 (2026)
Publisher : Pusat Pengembangan Pendidikan dan Penelitian Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51878/community.v6i2.12303

Abstract

Automated embroidery holds significant potential to support community economic development. However, many automated embroidery entrepreneurs still face challenges related to product innovation, financial management, and the use of digital marketing. This community service program aims to strengthen the capacity of automated embroidery entrepreneurs through training in innovation, numeracy, and digital marketing. This program was implemented at the Nurul Hasanah Automatic Embroidery Business Group, located in Saentis Village, Percut Sei Tuan Subdistrict, Deli Serdang Regency, North Sumatra, Indonesia. The implementation method consisted of five stages: situation analysis, program planning, training and mentoring, practical implementation, and evaluation. Training activities focused on innovation in automatic embroidery design, financial management based on numeracy literacy, and digital marketing using social media platforms. The results of the activities showed that participants were able to develop a more diverse range of automatic embroidery products, improve their understanding of business calculations, and utilize digital platforms for product promotion. Participant motivation increased by 7.19%, from 57.24% before the training to 64.43% after the activities, indicating an increase in participants' motivation and engagement. This program contributed positively to strengthening entrepreneurial capacity and expanding market opportunities. Therefore, integrating innovation, numeracy literacy, and digital marketing can be an effective strategy to enhance community economic sustainability and independence. ABSTRAK Sulam otomatis memiliki potensi besar untuk mendukung pembangunan ekonomi masyarakat, namun mitra pelaku usaha masih menghadapi tantangan terkait inovasi produk, pengelolaan keuangan, dan pemanfaatan pemasaran digital. Program pengabdian kepada masyarakat ini bertujuan memperkuat kapasitas mitra usaha sulam otomatis melalui pelatihan inovasi, literasi numerasi, dan digital marketing. Pelaksanaan program bertempat di Kelompok Usaha Sulam Otomatis Nurul Hasanah di Desa Saentis, Kecamatan Percut Sei Tuan, Kabupaten Deli Serdang, Sumatera Utara. Metode implementasi mencakup lima tahapan: analisis situasi, perencanaan program, pelatihan dan pendampingan, implementasi praktis, serta evaluasi program. Kegiatan difokuskan pada pembaruan desain sulam, pengelolaan keuangan berbasis numerasi, dan promosi melalui media sosial. Hasil kegiatan menunjukkan mitra mampu mengembangkan variasi produk yang lebih beragam, meningkatkan pemahaman perhitungan bisnis, serta memanfaatkan platform digital secara optimal. Motivasi mitra mengalami peningkatan sebesar 7,19% yaitu dari 57,24% sebelum pelatihan menjadi 64,43% setelah kegiatan diselesaikan. Program ini berkontribusi positif dalam memperkuat kapasitas kewirausahaan serta memperluas jangkauan pasar mitra. Integrasi inovasi, literasi numerasi, dan digital marketing menjadi strategi efektif dalam menciptakan keberlanjutan dan kemandirian ekonomi masyarakat.    
DEVELOPMENT OF INTEGRATED CURRICULUM-BASED MATHEMATICS TEACHING MATERIALS TO EFFECTIVELY TEACH 21ST CENTURY CAPABILITIES Rusmini Rusmini; Fitrah Sari Wahyuni Harahap
Jurnal Scientia Vol. 11 No. 01 (2022): Education, Sosial science and Planning technique, August
Publisher : Sean Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58471/scientia.v11i01.3155

Abstract

The purpose of this research is to produce valid, effective, and practical textbooks. In the short term, it aims to produce valid and practical teaching materials for linear algebra courses. Validity based on the relevance of the expected competencies i.e. 21st century competencies. Practicality is measured by the use of teaching materials in classroom learning. This study used a development research design, followed by four steps: 1) initial research, 2) prototyping, 3) summative evaluation, 4) reflection and documentation. In our initial research, we analyzed the need for teaching materials for the Information Systems study program, the reason being that students really needed linear algebra teaching materials that had applied concepts that were described visually that were easy to understand by students. In the prototyping stage, we write teaching materials according to the needs analysis. The prototype was discussed with experts, revised after summative evaluation and implemented during lecture meetings. The result is the final product in the form of teaching materials used during reflection. Our systemic documentation was written according to the established research framework. Finally, a valid, practical linear algebra teaching material has been produced.
THE INFLUENCE OF COGNITIVE CONFLICT STRATEGIES ON STUDENTS' MASTERY OF COMPUTATIONAL THINKING-BASED MATHEMATICAL CONCEPTS Rusmini Rusmini; Muhammad Rizky Mazaly
Jurnal Scientia Vol. 12 No. 03 (2023): Education, Sosial science and Planning technique, 2023 (June-August)
Publisher : Sean Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58471/scientia.v12i03.3156

Abstract

Cognitive conflict is a condition where students encounter new experiences that are not neatly arranged in their cognitive structure. The process of assimilation between old and new concepts in students' cognition. So to hone and improve students' cognitive abilities, it is necessary to have repetition aimed at training students' computational thinking skills which will affect their mathematical mastery. The purpose of this study was to see the effect of cognitive conflict on students' mastery of mathematical concepts. The research method is a case study with a qualitative descriptive and quantitative approach. Learning was carried out to 35 semester II students collaboratively in mastering integral concepts. Pretests are given to determine initial mathematical abilities, then problems are given and solved with computational thinking-based cognitive conflict strategies. The results obtained were very significant for moderate initial abilities, but for high initial abilities it did not affect it, for low initial abilities there was no response. The process that occurs during settlement is very conducive. Post-test results compared to pre-test there is a significant difference
THE EFFECTIVENESS OF ADOBE FLASH-BASED LEARNING MEDIA ON MATHEMATICS LEARNING OUTCOMES Muhammad Rizky Mazaly; Rusmini Rusmini; Fitrah Sari Wahyuni Harahap
Jurnal Scientia Vol. 11 No. 02 (2022): Education, Sosial science and Planning technique, November
Publisher : Sean Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58471/scientia.v11i02.3157

Abstract

One of the factors for the lack of success in the mathematics learning process is that the teacher does not innovate in applying the media in learning. In general, teachers at Budi Agung Private High School still apply conventional media so students become passive and less interested in mathematics. This has an impact on the low student learning outcomes. Therefore, innovation in Adobe Flash-based learning is needed. The purpose of this study was to test the effectiveness of the use of Adobe Flash learning media on students' mathematics learning outcomes at Budi Agung Private High School, Medan. This study uses a quasi-experimental design. Data collection techniques consist of unstructured interviews, observations, documentation and tests. The data analysis techniques used are the Liliefors test to test the normality of the data, the Levene test to test the homogeneity, the independent sample test, and the party test through one sample t-test to test the hypothesis. The population in this study were classes XA and XB SMA Private Budi Agung Medan, totaling 72 students, consisting of 35 students in the experimental class and 37 students in the control class. The results of this study were obtained through the results of the students' final test (post-test). The average post-test result of the experimental class students using Adobe Flash was higher than the control class using conventional methods, with namely the experimental class was 75.1 and the control class was 55.73. And based on the results of the t-test, it was obtained that tcount > ttable, namely tcount = 5.072 and ttable = 1.
Co-Authors Aizat Ramadhan Chyntia Dewi Dina Lestari Dinda Prasasti Doni Irawan Saragih Donni Syahrial Hanafi Daulay Edy Surya Ermayanti Astuti Fitrah Sari Harahap Fitrah Sari Wahyuni Harahap Fitrah Sari Wahyuni Harahap Hizmi Wardani Kartika Sari Lubis Kayla Khairani Linda Wahyuni M. Haidil Umam Muhammad Rizky Mazaly Muhammad Rizky Mazaly Muhammad Rizky Mazaly Muhammad Wahyu Pratama Nidia Enjelita Saragih Nuraini Sri Bina Rahmi Ramadhani Suci Dahlya Narpila, Suci Dahlya Yulia Fitri