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Open access Aug 2026

Innovation in RME-Based Interactive Media to Support Understanding of 2D Shapes and Critical Thinking

General Background Mathematics education necessitates students building deep conceptual knowledge to solve real-world problems. Specific Background Plane geometry is fundamental for elementary students, yet conventional instruction often fails to transition learners from visual recognition to deeper analytical reasonin...

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Open access Aug 2026

The Use of Geoboard Manipulative to Improve Elementary School Student Mathematical Problem-Solving Skills: A Classroom Action Research

Fourth-grade students at SD Negeri 1 Pejambon showed low mathematical problem-solving skills in learning plane geometry. This condition was associated with the limited use of teaching aids, insufficient opportunities for students to construct plane shapes independently, and a lack of concrete problem-solving activities...

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Open access Sep 2026

Developing a STEM-Based Learning Module to Improve Problem-Solving Skills on Spatial Distance Topics

Students often struggle with the abstract nature of spatial distance in three-dimensional geometry, which can lead to low problem-solving skills. This study aimed to develop a valid, practical, and effective STEM-based learning module on spatial distance to enhance senior high school students' problem-solving skills. E...

S. Suprianto, S. Prayitno, Karim Karim 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 Sep 2026

Concrete Teaching Aids For Three Dimensional Geometry Comprehension In Elementary Education

General Background Mathematics education requires visual and kinesthetic experiences to facilitate the comprehensive recognition of spatial object structures. Specific Background Students frequently experience cognitive barriers in identifying the components of three-dimensional figures due to theoretical, textbook-cen...

L. Suryani, Kemil Wachidah · 0 citations
Open access Sep 2026

Using learning progression-based interactive dynamic geometry instruction to develop quadrilateral reasoning in preservice teachers

This study investigated the learning of K–8 preservice teachers (PTs) while enrolled in an in-person class that was integrated with an online, individualized, and interactive Dynamic Geometry curriculum (iDGi), built from empirically derived learning progressions (LP). The research examined PTs’ developing understandin...

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