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All Journal Jurnal Pendidikan dan Pembelajaran Khatulistiwa (JPPK) Primatika : Jurnal Pendidikan Matematika JRAMathEdu (Journal of Research and Advances in Mathematics Education)
Ridwan Ridwan
Program Studi Pendidikan Matematika FKIP Untan Pontianak
Decision Sciences, Operations Research & Management Education Languange, Linguistic, Communication & Media Mathematics Other

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EFEKTIVITAS MODEL PBL DISERTAI BRAINSTORMING PADA MATERI DIMENSI TIGA DI SMK NEGERI 3 PONTIANAK Ridwan Ridwan; Yulis Jamiah; Bistari Bistari
Jurnal Pendidikan dan Pembelajaran Khatulistiwa (JPPK) Vol 8, No 6 (2019): JUNI 2019
Publisher : Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (863.439 KB) | DOI: 10.26418/jppk.v8i6.33363

Abstract

AbstractThis research aimed to determine the effectiveness of using mathematics learning with problem based learning model combine with brainstorming on three dimensional material of SMK Negeri 3 Pontianak. The research method used in this study is the experimental method with the type of pre-experimental design and the type of design form that is one shoot case study. The techniques used were observation techniques, measurement techniques, and indirect communication techniques with data collection tools including learning implementation observation sheets, observation sheets for student learning activities, learning outcomes tests, and student response questionnaires. From the calculation results obtained the implementation of learning with PBL model combine with brainstorming is classified as good with an average score of 3.23, student learning activities in PBL model combine with brainstorming by active with an average percentage of 76.26%, student learning completeness classical has not been fulfilled with the percentage of students who achieved the KBM score only 54.84%, and students' responses to learning with the PBL model combine with brainstorming by positive with a percentage of 74.19%. Based on the data obtained it can be concluded that the PBL model combine with brainstorming by less effective was applied in learning mathematics in the three dimensional material in class XI AK 1 of SMK Negeri 3 Pontianak. Keywords: Brainstorming, Effectiveness, Problem Based Learning, Three Dimensional Material 
Analyzing students’ errors and misconceptions in proof construction in abstract algebra course Ridwan, Ridwan; Haeruddin, Haeruddin
Primatika : Jurnal Pendidikan Matematika Vol. 14 No. 2 (2025)
Publisher : Program Studi Pendidikan Matematika, Fakultas Keguruan dan Ilmu Pendidikan, Universitas Mulawarman

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30872/primatika.v14i2.6217

Abstract

This study aimed to identify and describe the types of errors and misconceptions made by students in the process of constructing proofs. Using a qualitative approach with a case study design, the subjects were fifth-semester students enrolled in the Abstract Algebra course at Mulawarman University. Three student responses showing significant error patterns regarding the Fundamental Isomorphism Theorem were purposively selected and analyzed based on the Selden & Selden framework. The results indicated that students faced notation, logical, and structural obstacles. Dominant errors included notation inflexibility (E3), reversed logic in surjective proofs due to quantifier neglect (E8), and structural misconceptions in defining kernel and image (M7). Additionally, over-generalization of real number rules in group operations (M5) was observed. These findings suggested that students remained at the procedural-thinking stage and had not yet reached the "Object" stage in their cognitive schema, resulting in a failure to build rigorous deductive arguments. This study recommends instructional interventions emphasizing the visualization of abstract structures and strengthening quantifier logic to minimize students' future epistemological obstacles.
Proof in mathematics education: A bibliometric analysis using R biblioshiny and VOSviewer Haeruddin, Haeruddin; Ridwan, Ridwan
JRAMathEdu (Journal of Research and Advances in Mathematics Education) Volume 11, Issue 1, January 2026
Publisher : Universitas Muhammadiyah Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23917/jramathedu.v11i1.12803

Abstract

The modern mathematics curriculum internationally places proof as a central component that should be integrated from primary school to university. Empirical research on proof in mathematics education has grown rapidly in the last two decades; however, few studies have attempted to map this research landscape. This article provides a comprehensive mapping of research on proof through a bibliometric approach using the Web of Science Core Collection (WoSCC) database. Data from 157 articles published between 2016 and 2025 were analyzed using the biblioshiny R-package and VOSviewer. Results show that publication numbers fluctuated, peaking in 2024, with Dawkins et al. being the most cited and ZDM-Mathematics Education the most prolific source. Keyword analysis reveals six distinct clusters, with the USA as the leading contributor. Beyond these trends, the study identifies a significant shift toward the integration of artificial intelligence within the transition-to-proof process. These findings offer a strategic roadmap for researchers to bridge the gap between technological mediation and formal mathematical validation, emphasizing the need for instructional designs that harmonize generative tools with the rigorous construction of deductive proofs. Ultimately, this mapping highlights the urgency of ensuring that digital advancements support the authenticity of proving activities rather than merely facilitating the mechanical production of logical steps.
Co-Authors Bistari Haeruddin Haeruddin Yulis Jamiah