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All Journal Journal of the Indonesian Mathematical Society Science and Technology Indonesia BAREKENG: Jurnal Ilmu Matematika dan Terapan M A T H L I N E : Jurnal Matematika dan Pendidikan Matematika Jurnal Statistika dan Matematika (Statmat) Bakti Sekawan : Jurnal Pengabdian Masyarakat Jurnal Ilmiah Pengabdian dan Inovasi Jurnal Sains Natural Semeton Mathematics Journal
Maharani, Andika Ellena Saufika Hakim
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Peningkatan Pemahaman Konsep Geometri melalui Visualisasi Sketsa Grafik Fungsi bagi Siswa Di SMA Negeri 1 Pujut Zulhan Widya Baskara; Abdurahim, Abdurahim; Robbaniyyah, Nuzla Af'idatur; Ramadhan, Hikmal Maulana; Hidayatullah, Azka Farris; Alfian, Muhammad Rijal; Bahri, Syamsul; Awalushaumi, Lailia; Syechah, Bulqis Nebula; Marwan, Marwan; Salwa, Salwa; Rusadi, Tri Maryono; Maharani, Andika Ellena Saufika Hakim; Harsyiah, Lisa; Baskara, Zulhan Widya; Satriyantara, Rio
Bakti Sekawan : Jurnal Pengabdian Masyarakat Vol. 5 No. 1 (2025): Juni
Publisher : Puslitbang Sekawan Institute Nusa Tenggara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35746/bakwan.v5i1.733

Abstract

Geometry is one of the fundamental topics in mathematics, playing a crucial role in understanding shapes, sizes, positions, and spatial relationships between objects. Mastery of this concept is essential; however, in practice, many students still struggle to grasp geometry material. This issue is also evident at SMA Negeri 1 Pujut, where several students demonstrate a low level of understanding of geometric concepts. In response to this problem, the aim of the research is a community service activity was carried out in the form of tutoring sessions focused on improving students' understanding of geometry. This activity employed a visualization approach through function graph sketches to help students better comprehend the interconnections between concepts in a more concrete way. Based on the evaluation results, data showed that 86.67% of students exhibited improved learning outcomes after participating in the activity. This achievement indicates that the instructional method used by the facilitators was quite effective and well-received by the majority of participants.
Peningkatan Kualitas Belajar Siswa Sekolah Dasar Melalui Program Kampus Mengajar Maharani, Andika Ellena Saufika Hakim; Sari, Baiq Nadia Ulfa; Hisda, Laylatul; Wulandari, Maelina Widia; Hafidah, Nur; Nurkhaliza WR, Siti
Bakti Sekawan : Jurnal Pengabdian Masyarakat Vol. 5 No. 2 (2025): Desember
Publisher : Puslitbang Sekawan Institute Nusa Tenggara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35746/bakwan.v5i2.786

Abstract

This article discusses community service through the Teaching Campus Program at SDN 4 Mataram with the aim of improving the quality of student learning. This program was chosen due to the challenges of improving the quality of education at the primary level which still requires innovative interventions. The method applied involves students as facilitators in supporting teachers, developing lesson plans, and developing interesting learning media. Evaluation is conducted through tests and observations to measure student progress. The results show significant improvements in student motivation and understanding, as well as students' ability to apply educational theory in the field. The program also strengthened the relationship between the school and the academic community. In conclusion, collaboration between higher education institutions and elementary schools through the Teaching Campus Program has a significant positive impact on the quality of learning and competency development of the various parties involved.
Structural Properties and Reverse Topological Indices of Order GCD Graphs of Integers Modulo Ring Romdhini, Mamika Ujianita; Abdurahim, Abdurahim; Maharani, Andika Ellena Saufika Hakim
Journal of the Indonesian Mathematical Society Vol. 32 No. 2 (2026): JUNE
Publisher : IndoMS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22342/jims.v32i2.2009

Abstract

The order GCD graph of a ring, having the ring elements as the vertex set, and two distinct vertices are adjacent if and only if the greatest common divisor (gcd) of the order of both vertices is equal to the order of the product of these two vertices in the ring. This paper aims to analyze the reverse Sombor, Randić, and Harmonic indices of the order GCD graph where the set of vertices is integers modulo ring elements. The results provide new insights into the mathematical properties of reverse topological indices and their potential applications.
Comparison of Moving Average and Double Exponential Smoothing Methods in Rice Production Forecasting Based on NTB Satu Data Arbyati, Asri Mustika; Maharani, Andika Ellena Saufika Hakim
STATMAT : JURNAL STATISTIKA DAN MATEMATIKA Vol 8 No 1 (2026)
Publisher : Department of Mathematics, Faculty of Mathematics and Natural Sciences, Universitas Pamulang, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32493/sm.v8i1.52806

Abstract

The rapid development of technology in the industry 4.0 era has led to the emergence of the data literacy era, where data is no longer merely supporting information but has become a strategic asset in decision-making. Recognizing the importance of data utilization, the West Nusa Tenggara/Nusa Tenggara Barat (NTB) Provincial Government launched the NTB Satu Data program through Governor Regulation No. 45 of 2021. This program provides an open, standardized, and integrated sectoral data platform managed by the NTB Communication, Information, and Statistics Agency. Through this platform, data is collected, validated, analyzed, and visualized so that it can be utilized for evidence-based policy planning. This study utilizes annual rice production data from 2001 to 2024 from the NTB Satu Data portal to forecast rice production in 2025. Two commonly used time series forecasting methods, Moving Average (MA) and Double Exponential Smoothing (DES), are applied and compared in terms of accuracy. Evaluation was conducted using the Mean Absolute Percentage Error (MAPE) and Mean Absolute Deviation (MAD) metrics. The analysis results show that the DES (Holt) method produced a MAPE of 9.455% and a MAD of 158.533, outperforming the MA order 2 method with a MAPE of 9.746% and a MAD of 161.700. These findings indicate that DES is more adaptive in capturing historical trend patterns and more effective in modeling production changes over time. The results of this study are expected to provide input for local governments in designing food security policies that are responsive to production dynamics. Utilizing these forecasts will enable more appropriate allocation of resources, increased preparedness for potential food supply disruptions, and strengthening of sustainable food security in NTB Province.
Co-Authors Abdurahim, Abdurahim Abdurrachman Rahim Adhamatika, Adhima Agus Kurnia Arbyati, Asri Mustika ARI SUPARWANTO Azka, Dea Alvionita Cahyani, Ade Indah Fadillah, Muhammad Hafidah, Nur Hamdi, Ahmadil Harsyiah, Lisa Hidayat, Malik Hidayatullah, Azka Farris Hisda, Laylatul Irwansyah Irwansyah Kusuma, Shendy Arya Lailia Awalushaumi Lailia Awalushaumi, Lailia Lalu Danu Prima Arzani Lestari, Natasya Dyahayu Lingga Gita Dwikasari, Lingga Gita Mamika Ujianita Romdhini Marwan Marwan Meida, Inka Nurul Muhammad Nizhar Naufali Muhammad Rijal Alfian Nurkhaliza WR, Siti Putri, Destiana Adinda PUTU MEIKAPASA, NI WAYAN Qurratul Aini Ramadhan, Hikmal Maulana Ratih, Wahyu Erinna Rio Satriyantara Risnawati Risnawati Robbaniyyah, Nuzla Af'idatur Robbaniyyah, Nuzla Af’idatur Sahrin, Laila Alfi Salwa Salwa Saofitri, Saofitri Sari, Baiq Nadia Ulfa Satryantara, Rio Setiandini, Gifani Putri Siti Raudhatul Kamali Syamsul Bahri Taufik Hidayat Tri Maryono Rusadi Wulandari, Maelina Widia Zikri, Lalu Muhammad Faiz Zulhan Widya Baskara