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All Journal Journal of Advanced Sciences and Mathematics Education Jurnal Pengabdian Masyarakat Bhinneka
Wanda Nugroho Yanuarto
Universitas Muhammadiyah Purwokerto, Indonesia
Agriculture, Biological Sciences & Forestry Chemistry Computer Science & IT Economics, Econometrics & Finance Education Mathematics Physics Public Health Social Sciences

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Development and evaluation of an educational fantasy comic for geometry transformation learning: enhancing junior high school students’ mathematical reasoning and self-esteem Wanda Nugroho Yanuarto; Faizal Abdul Hafizh
Journal of Advanced Sciences and Mathematics Education Vol. 6 No. 2 (2026): Journal of Advanced Sciences and Mathematics Education
Publisher : CV. FOUNDAE

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58524/jasme.v6i2.1203

Abstract

Background: Indonesian students’ mathematical literacy remains low, as evidenced by the 2022 PISA results, which indicate difficulties in understanding concepts and solving contextual problems. Geometry transformation topics require strong abstract thinking and visualization skills; however, conventional instruction often emphasizes memorization rather than conceptual understanding. In addition, students’ low self-esteem further hinders their engagement and achievement in mathematics learning. Therefore, innovative instructional media are needed to support both cognitive and affective learning outcomes. Aims: This study aims to develop an educational fantasy comic as a learning medium for geometry transformation and to examine its effectiveness in enhancing junior high school students’ mathematical reasoning and self-esteem. Method: This research employed a Research and Development (R&D) approach using the ADDIE model, consisting of Analysis, Design, Development, Implementation, and Evaluation stages. The participants were junior high school students. Data were collected through expert validation, questionnaires, mathematical reasoning tests, and self-esteem scales, and analyzed using descriptive quantitative and qualitative techniques. Results: The validation results indicated that the developed comic achieved a score of 82.73%, categorized as “very valid.” The practicality test showed an average score of 4.12 (82.42%), indicating that the comic was highly practical for classroom use. Furthermore, the effectiveness results demonstrated that students who learned using the educational fantasy comic exhibited better mathematical reasoning skills and higher self-esteem compared to those receiving conventional instruction. Conclusion: The educational fantasy comic is a valid, practical, and effective learning medium that enhances students’ mathematical reasoning and self-esteem, offering an engaging and meaningful alternative for geometry transformation learning.
Pembuatan Insenerator Sederhana Sebagai Upaya Untuk Mengurangi Permasalahan Sampah di Desa Toyareka, Kabupaten Purbalingga Khusnul Khotimah; Irma Putri Damayanti; Wanda Nugroho Yanuarto; Luthfina Nararya Dewi Wibowo; Eggin Tia Hayuningtias; Gilank Ady Pradana; Naizha Arumbia; Ifan Nur Firmansah; Nabilah Nurul Hikmah; Nur Aini; Indi Hafizh Annafi; Ridha Okta Riyanti
Jurnal Pengabdian Masyarakat Bhinneka Vol. 5 No. 1 (2026): September
Publisher : Bhinneka Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58266/jpmb.v5i1.1722

Abstract

Permasalahan sampah masih menjadi salah satu isu lingkungan yang dihadapi masyarakat di Desa Toyareka, Kabupaten Purbalingga. Praktik pembakaran sampah secara terbuka masih sering dilakukan sebagai cara mengurangi volume sampah, namun menghasilkan asap yang berpotensi mengganggu kesehatan masyarakat dan mencemari lingkungan. Kegiatan Kuliah Kerja Nyata (KKN) ini bertujuan untuk memberikan alternatif pengelolaan sampah melalui pembuatan insinerator sederhana minim asap berukuran 200 × 100 cm. Metode pelaksanaan kegiatan meliputi observasi lapangan, koordinasi dengan pemerintah desa, perancangan dan pembuatan insinerator, serta sosialisasi mengenai cara penggunaan dan pemeliharaan alat kepada masyarakat. Hasil kegiatan menunjukkan bahwa insinerator sederhana yang dibangun dapat digunakan sebagai sarana pembakaran sampah dengan emisi asap yang lebih rendah dibandingkan pembakaran terbuka, sehingga berpotensi mengurangi pencemaran udara dan meningkatkan kebersihan lingkungan. Program ini diharapkan menjadi salah satu solusi pengelolaan sampah yang sederhana, mudah diterapkan, serta mampu meningkatkan kesadaran masyarakat dalam menjaga kebersihan lingkungan di Desa Toyareka.
Co-Authors Eggin Tia Hayuningtias Faizal Abdul Hafizh Gilank Ady Pradana Ifan Nur Firmansah Indi Hafizh Annafi Irma Putri Damayanti Khusnul Khotimah Luthfina Nararya Dewi Wibowo Nabilah Nurul Hikmah Naizha Arumbia Nur Aini Ridha Okta Riyanti