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All Journal Union: Jurnal Ilmiah Pendidikan Matematika Indonesian Journal of Science and Mathematics Education Journal of Educational Technology and Learning Creativity Jurnal Pendidikan Progresif Journal on Mathematics Education
Sahara, Sani
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Computer Science & IT Education Mathematics Social Sciences Other

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Journal : Journal on Mathematics Education

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Transformation geometry in eleventh grade using digital manipulative batik activities Sahara, Sani; Dolk, Maarten; Hendriyanto, Agus; Kusmayadi, Tri Atmojo; Fitriana, Laila
Journal on Mathematics Education Vol. 15 No. 1 (2024): Journal on Mathematics Education
Publisher : Universitas Sriwijaya in collaboration with Indonesian Mathematical Society (IndoMS)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22342/jme.v15i1.pp55-78

Abstract

Learning Transformation Geometry (TG) needs a more informal approach to concern situational problems. This study aims to develop actionable knowledge of TG in the form of design related to context and yet general enough to use digital manipulative activities in new situations. We propose such knowledge in the form of conjectured Local Instructional Theory (LIT) in the framework of design research methodological framework. The designed learning activities were based on Realistic Mathematics Education (RME) principles and used batik as the context and van Hiele’s mode of geometric thought. In addition, the CorelDraw software is used as a tool to transform batik-making activities into a digital manipulative environment. The design consists of a pre-assessment and four learning activities. The data were analyzed retrospectively in accordance with the HLT. The analysis of the data described above and the justification of the processes during the teaching experiment indicate a compelling trajectory for students learning transformation geometry for this specific context and the prospect for future studies.
The didactic phenomenon: Deciphering students’ learning obstacles in set theory Hendriyanto, Agus; Suryadi, Didi; Juandi, Dadang; Dahlan, Jarnawi Afgani; Hidayat, Riyan; Wardat, Yousef; Sahara, Sani; Muhaimin, Lukman Hakim
Journal on Mathematics Education Vol. 15 No. 2 (2024): Journal on Mathematics Education
Publisher : Universitas Sriwijaya in collaboration with Indonesian Mathematical Society (IndoMS)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22342/jme.v15i2.pp517-544

Abstract

Teachers play a crucial role in disseminating knowledge in educational settings, typically adhering to a credulist-testimonial approach outlined in pedagogical literature. Consequently, students often acquire knowledge through this method, potentially leading to discrepancies between their conceptual understanding and the intended educational objectives. This study investigates the phenomenon of learning obstacles encountered by junior high school students, with a particular emphasis on mathematics education. It is part of a series of Didactical Design Research (DDR) projects aimed at developing effective instructional materials. Employing an interpretive paradigm within the DDR framework, the study adopts a qualitative approach utilizing hermeneutic phenomenology design. Various research tools such as diagnostic assessments, interview guidelines, observation sheets, and audio recordings are employed. Data analysis is conducted using the Constant Comparative Method (CCM). The findings highlight ontogenic, didactic, and epistemological obstacles students face, stemming from factors such as a lack of interest in mathematics, ineffective material presentation, and misconceptions regarding set concepts. These results underscore the importance of educators employing effective teaching strategies to help students overcome these obstacles and succeed in their mathematics education.
Co-Authors A Dewi, Deshinta Anip Dwi Saputro, Anip Dwi Atik Wintarti, Atik Chaled, Mohammad Idham Dadan Dasari Dadang Juandi Diana, Hafsah Adha Didi Suryadi Fitriana, Laila Hendriyanto, Agus Indrawijaya, Fizar Jarnawi Afgani Dahlan Krida Singgih Kuncoro Kusharyadi, Rahmat Maarten Dolk, Maarten Muhaimin, Lukman Hakim RR. Ella Evrita Hestiandari Siswanto, Rizki Dwi Tarmudi, Tarmudi Tomi Listiawan Tri Atmojo Kusmayadi Utami, Nadya Syifa Wardat, Yousef Yaya S. Kusumah Yen, Phoong Seuk