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All Journal AKSIOMA: Jurnal Program Studi Pendidikan Matematika Jurnal Pengabdian UNDIKMA
Akhsanul In'am
Universitas Muhammadiyah Malang
Religion Agriculture, Biological Sciences & Forestry Humanities Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Environmental Science Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Library & Information Science Mathematics Nursing Public Health Social Sciences Other

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ENHANCING CRITICAL THINKING THROUGH MATHEMATICAL HABITS OF MIND AND GEOGEBRA ON THE PYTHAGOREAN THEOREM Edy Supratman; Akhsanul In'am; Dyah Worowirastri Ekowati
AKSIOMA: Jurnal Program Studi Pendidikan Matematika Vol. 14 No. 4 (2025)
Publisher : UNIVERSITAS MUHAMMADIYAH METRO

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24127/ajpm.v14i4.13330

Abstract

This study was conducted in response to the low level of students' critical thinking skills and the predominance of teacher-centered instruction in mathematics classrooms. It aims to analyze the differences in students' critical thinking skills between those taught using the MHM approach assisted by GeoGebra and those taught through traditional methods on the topic of the Pythagorean Theorem in Class VIII at SMPN 3 Lingsar, West Lombok.  This study employed a quasi-experimental design, specifically a nonequivalent control group design, involving two groups of 27 students each.  The experimental group received instruction using the MHM approach with GeoGebra, which emphasizes reflective, persistent, and evidence-based mathematical thinking habits, while the control group used conventional methods  Data were collected through pretest and posttest critical thinking assessments, student worksheets, and learning observations. The initial abilities of both groups were comparable, as indicated by the independent t-test on the pretest (p > 0.05). Posttest results showed a significant improvement in the experimental group (mean = 82) compared to the control group (mean = 65), with a posttest p-value of 0.000 (< 0.05) and a very large effect size (Cohen’s d = 1.90), indicating a substantial difference in learning outcomes between the groups.  Observations also revealed very high engagement levels in the experimental group. These findings demonstrate that the MHM approach, aided by GeoGebra, effectively enhances students' critical thinking skills and fosters reflective, systematic, and collaborative learning habits. This study recommends adopting MHM strategies and visual technologies like GeoGebra in mathematics education.
Promoting Innovation in Mathematics Learning: An International Program for Strengthening Teacher Competence through STEAM Akhsanul In'am; Moh Mahfud Effendi; Reni Dwi Susanti; Marhan Taufik; Hendarto Cahyono
Jurnal Pengabdian UNDIKMA Vol. 7 No. 2 (2026): May
Publisher : LPPM Universitas Pendidikan Mandalika (UNDIKMA)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/jpu.v7i2.20240

Abstract

This community service activity aims to strengthen teachers’ competencies in designing and implementing contextual STEAM learning that is aligned with local school conditions. The program was conducted at the Musa-Asia Integrated School (SEPAMA), Cambodia, involving junior high school teachers and school leaders. The implementation methods included a baseline needs analysis, workshop-based training, instructional design mentoring, the implementation of simple classroom projects, and pre-test and post-test evaluations of teacher competency. Data were analyzed descriptively and quantitatively by comparing the mean pre-test and post-test scores and calculating the gain. The findings indicate an improvement in teacher competency across all measured dimensions, particularly in interdisciplinary integration and project-based learning. The average score for STEAM understanding increased from 2.82 to 3.27, representing a 15.96% improvement, while the project-based learning score increased from 2.45 to 3.09, representing a 26.12% improvement. Teachers also began to perceive STEAM learning as a practical and feasible approach that could be implemented by utilizing the school environment and students’ daily activities. The classroom project implementation demonstrated increased student engagement, although not all teachers applied the approach consistently due to time constraints and the need for further adaptation. Field findings suggest that the simplified contextual STEAM approach is relevant to local school settings and effective in enhancing teacher readiness. Overall, this activity had a positive impact on improving teacher capacity and learning quality, with strong potential for sustainability through continuous mentoring and institutional support from partner schools.
Co-Authors Edy Supratman Hendarto Cahyono Marhan Taufik Moh. Mahfud Effendi Reni Dwi Susanti Worowirastri E., Dyah