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All Journal NUSANTARA: Jurnal Pengabdian Kepada Masyarakat Pemberdayaan Masyarakat: Jurnal Aksi Sosial
Intan Nadilah
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Agriculture, Biological Sciences & Forestry Humanities Economics, Econometrics & Finance Education Engineering Social Sciences

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Implementasi Pembelajaran Coding Dan Kriptografi Pada Pesan Digital di SMA Negeri 2 Mataram Maulani Rizqi; Intan Nadilah; Ahmadil Hamdi; Nikken Prima Puspita; I Gede Adhitya Wisnu Wardhana
Pemberdayaan Masyarakat : Jurnal Aksi Sosial Vol. 2 No. 4 (2025): Desember: Pemberdayaan Masyarakat : Jurnal Aksi Sosial
Publisher : Lembaga Pengembangan Kinerja Dosen

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62383/aksisosial.v2i4.2641

Abstract

This community service activity aims to increase the understanding of students at State Senior High School 2 Mataram regarding information security by introducing the concepts of coding and cryptography in digital messages. The rapid use of messaging applications among teenagers makes students increasingly vulnerable to cyber threats, necessitating education on how data protection works in online communication. This program is implemented using a descriptive method consisting of planning, implementation, and evaluation stages. The material covered includes basic cryptography concepts, end-to-end encryption mechanisms, and the practical process of the Diffie–Hellman key exchange thru the interactive simulation "Alice and Bob." Learning is designed contextually and participatively so that students can connect theory with the digital applications they use every day. The evaluation results showed an improvement in students' understanding, reflected in their active participation, ability to answer questions, and adequate post-test scores. This activity not only strengthens digital security literacy but also raises students' awareness of the importance of protecting personal data in online communication. This program is expected to be the beginning of more sustainable digital security learning development in the school environment.
Enhancing Senior High School Students' Mathematical Understanding through an Experiential Learning-Based FunMath Camp: A Community Service Program I Gede Adhitya Wisnu Wardhana; Ghazali Semil Ismail; Marwan Marwan; Syamsul Bahri; Irwansyah Irwansyah; Gifani Putri Setiandini; Lalu Muhammad Faiz Zikri; Resa Putri Fibriyanti Subiyanto; Nanda Lestari; Alfian Putra Ardana; De Siroj Ragil Ahmad; Intan Nadilah; Luluk Kartika; Irene Salsabila; Irene Rainbow Kewa Somi; Rizka Purnama Sari; Qurratul Aini; Fariz Maulana
Nusantara: Jurnal Pengabdian kepada Masyarakat Vol. 6 No. 3 (2026): Agustus: NUSANTARA Jurnal Pengabdian Kepada Masyarakat
Publisher : Lembaga Pengembangan Kinerja Dosen

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55606/nusantara.v6i3.9982

Abstract

Mathematics plays a fundamental role in developing students' logical, analytical, critical, and problem-solving skills. However, many senior high school students perceive mathematics as difficult and uninteresting due to teacher-centered instruction that provides limited opportunities for active engagement and authentic learning experiences. This community service program aimed to enhance students' mathematical understanding through an Experiential Learning-based FunMath Camp conducted collaboratively by the Mathematics Study Program of the University of Mataram and Universiti Teknologi MARA (UiTM), Malaysia. The program was held over two days, 27–28 June 2026, at Gunung Jae Nature Tourism Park, West Lombok, involving 20 selected senior high school students from across Lombok Island. The activities followed four stages of Experiential Learning: concrete experience, reflective observation, abstract conceptualization, and active experimentation. Activities included interactive lectures, Treasure Map Games, a Mini Mathematics Quiz Competition, and collaborative outdoor learning. Program effectiveness was evaluated using pre-test and post-test scores. As the data were not normally distributed based on the Shapiro–Wilk test, the Wilcoxon Signed-Rank Test was employed. The results showed a statistically significant improvement in students' mathematical understanding, with the mean score increasing from 6.85 to 7.80 (p = 0.012). Although the average N-Gain score was 0.19 (low category), students demonstrated greater engagement, collaboration, and confidence in solving mathematical problems. These findings indicate that the Experiential Learning-based FunMath Camp provides an engaging and meaningful learning environment that supports mathematical understanding and active learning.
Co-Authors Ahmadil Hamdi Alfian Putra Ardana De Siroj Ragil Ahmad Fariz Maulana Ghazali Semil Ismail Gifani Putri Setiandini I Gede Adhitya Wisnu Wardhana Irene Rainbow Kewa Somi Irene Salsabila Irwansyah Irwansyah Lalu Muhammad Faiz Zikri Luluk Kartika Marwan Marwan Maulani Rizqi Nanda Lestari Nikken Prima Puspita Qurratul Aini Resa Putri Fibriyanti Subiyanto Rizka Purnama Sari Syamsul Bahri