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All Journal Bedelau: Journal of Education and Learning Mosharafa: Jurnal Pendidikan Matematika International Journal of English and Applied Linguistics (IJEAL) LingPoet: Journal of Linguistics and Literary Research International Journal of Educational Best Practices Journal on Mathematics Education
Dahnilsyah
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Humanities Education Languange, Linguistic, Communication & Media Mathematics Social Sciences Other

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Journal : Journal on Mathematics Education

 1 
Prospective elementary teachers’ informal mathematical proof using GeoGebra: The case of 3D shapes Putra, Zetra Hainul; Afrillia, Yesi Martha; Dahnilsyah; Tjoe, Hartono
Journal on Mathematics Education Vol. 14 No. 3 (2023): 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.v14i3.pp449-468

Abstract

Mathematical proofs play a paramount role in developing 21st-century skills, and the use of technology in mathematics learning has widely paved the way in the instruction of mathematical proofs. In mathematics education, GeoGebra has a significant role as a dynamic mathematics software in supporting students' learning process. This study aims to use GeoGebra in supporting prospective elementary teachers' mathematical proofs of the volume of 3-D shapes. This research used a case study method with 23 first-year prospective elementary teachers as participants from a public university in Riau, Indonesia.  The data were gathered by means of students' work recordings in the GeoGebra classroom and video recordings from their interactions in the course of small group and classroom discussions. The videos were transcribed using verbatim, and then the mathematical proofs were analyzed using praxeological analysis. The findings show that prospective elementary teachers still had challenges to connect the construction of the volume of 3-D shapes using GeoGebra to its informal mathematical proofs. However, GeoGebra provides an opportunity to learn informal mathematical proofs for prospective elementary teachers.
A praxeological analysis of pre-service elementary teacher-designed mathematics comics Putra, Zetra Hainul; Dahnilsyah; Aljarrah, Ayman
Journal on Mathematics Education Vol. 12 No. 3 (2021): Journal on Mathematics Education
Publisher : Universitas Sriwijaya in collaboration with Indonesian Mathematical Society (IndoMS)

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Abstract

Mathematical and didactic knowledge presented in mathematics textbooks and other resources, like mathematics comics (MCs), needs to be evaluated from a lens of appropriate theoretical framework in mathematics education before it can be used as a medium for teaching and learning mathematics. Therefore, this study investigates mathematical and didactic competencies that were reflected in MCs designed by pre-service elementary teachers. The framework for analysing mathematical knowledge embedded in these MCs is based on the Anthropological Theory of the Didactic, specifically a praxeology. This study utilized a content analysis technique within a qualitative approach. Thirteen MCs were analysed using a praxeological analysis; the type of task and techniques (praxis block) as well as the possible technology and theory (logos block). The findings demonstrate that the mathematical praxeologies embedded in MCs belong to five mathematical domains, namely numbers and operations; number theory; fractions, decimals, and percentages; ratio and proportion; as well as measurement. Additionally, the analysis revealed that seven of these MCs were related to a single domain, while the others belong to two or three mathematical domains. Concerning the mathematical praxeologies, most of MCs focus on presenting the practical blocks, the type of task and the techniques, while only a few could provide the theoretical lens to justify the practical blocks.
Co-Authors Afrianto Afrianto Daud Afrillia, Yesi Martha Aljarrah, Ayman Asyiqin, Nurul Azzahra Mahendra, Arundina Damardi Dinda Novinda Haryani Erni Erni Erni Fadly Azhar Gunawan, Yahya Harfal, Zaldi Jismulatif, Jismulatif Mahdum Masyhur Mitri Irianti Putri, Geblyna Safitri Ramadani Simatupang, Hilmer Marulitua Tjoe, Hartono Yeni Anggrayni Yustina Zakiah, Azra Zariul Antosa Zetra Hainul Putra