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Open access Aug 2026

Developing a dynamic unitizing GeoGebra applet to support conceptual understanding of area and volume

This study was motivated by the limited conceptual understanding of area and volume among prospective mathematics teachers, who often rely on procedural strategies instead of conceptual reasoning. This study aimed to develop and evaluate an interactive GeoGebra applet based on dynamic unitizing, an approach that extend...

Danang Setyadi, Tanti Listiani, Fika Widya Pratama et al. · 0 citations
Open access Aug 2026

AI-Integrated Student Worksheets: Scaffolding Spatial and Representational Reasoning in Double Integrals

This study aims to develop and examine the effectiveness of Artificial Intelligence (AI)-integrated student worksheets as scaffolding for students' spatial and representational reasoning in double integral material. Using an explanatory sequential mixed-methods approach, this exploratory study employed a one-group pret...

Rachmalia Vinda Kusuma, Edy Nurfalah · 0 citations
Open access Aug 2026

Preservice Mathematics Teachers’ Understanding of Quadrilateral Properties and Hierarchical Relationships

Despite its centrality to deductive reasoning, hierarchical inclusion remains one of the most persistently misunderstood foundations of school geometry. This study examined preservice mathematics teachers’ understanding of quadrilateral properties and their hierarchical relationships, drawing on Van Hiele’s theory of g...

J. Osiakwan, John Kodwo Appiah, Mavis Sika Okyere et al. · 0 citations
Open access Sep 2026

Patterns of geometric problem-solving errors among pre-tertiary students across levels of geometric reasoning

This study examined pre-tertiary students’ geometric problem-solving performance, the distribution of their errors across Van Hiele levels of geometric reasoning, and the nature of these errors using Newman's Error Hierarchical Model. A descriptive quantitative research design, complemented by qualitative content analy...

E. Owusu, Yarhards Arthur, Ernest Larbi · 0 citations
Open access Sep 2026

Fifth-Grade Students’ Conceptual Understanding of Fractions: A Qualitative Study

Understanding fraction concepts is a fundamental foundation for mathematics learning at the elementary school level; however, students often struggle to connect symbols, visual representations, the characteristics of fraction forms, and operations in contextual problems. This study aimed to describe fifth-grade student...

Sherly Purwasih Oley, Muhammad Ilyas, Taufiq Taufiq et al. · 0 citations
Review Open access Sep 2026

An Instructional Approach to Structural Form-Finding Using Parametric Inverted Chain Models

This paper investigates the use of parametric inverted chain models (ICMs) as pedagogical tools for teaching structural design to architecture students. A mixed-methods action research study was conducted at the University of Belgrade Faculty of Architecture through a five-week educational intervention with 30 undergra...

J. Milošević, Ognjen Graovac, Maša Žujović et al. · 0 citations

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