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All Journal Journal of Advanced Sciences and Mathematics Education Journal of Educational Research, Evaluation and Supervision
Suranti, Tri
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Chemistry Education Mathematics Physics Social Sciences Other

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Exploring how augmented reality enriches realistic mathematics education to strengthen students’ understanding of curved-sided geometric ideas Suranti, Tri; Sutiarso, Sugeng; Firdaus, Rangga
Journal of Advanced Sciences and Mathematics Education Vol. 5 No. 2 (2025): Journal of Advanced Sciences and Mathematics Education
Publisher : CV. FOUNDAE

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58524/jasme.v5i2.979

Abstract

Background: Students often find curved-sided geometric shapes difficult to grasp because the material is usually introduced in a highly symbolic way. This condition creates a clear need for learning materials that can present ideas more visually and in contexts that feel relevant to students. Aim: The study seeks to design and examine a learning module that blends Augmented Reality with the principles of Realistic Mathematics Education to support stronger conceptual understanding. Method: Using a Research and Development approach, the study followed the ADDIE sequence from early analysis to final evaluation. The module was reviewed by subject and media experts, tested in a small group to gauge usability, and later implemented in larger classes. Its effectiveness was assessed by comparing posttest scores from a class using the AR–RME module and another class taught with standard materials. Results: Expert feedback showed that both the content and media components reached valid to very valid levels. Students and teachers also reported that the module was easy to use and fit well within classroom activities. The experimental class recorded higher posttest scores than the control group, indicating meaningful gains in conceptual understanding. Conclusion: Augmented Reality, when embedded in a Realistic Mathematics Education setting, offers a learning experience that helps students connect abstract geometric ideas with clearer mental models. The module developed in this study meets the criteria for validity, practicality, and effectiveness, and can serve as a valuable learning resource for geometry instruction.
The Role of Teacher Supervision in Optimizing the Use of Supervision on the Teaching Freedom Platform Safitri, Vivi Irvana; Ahidiyah, Siti; Suranti, Tri; Merystica, Cyntia; Rahayu, Chika
Journal of Educational Research, Evaluation and Supervision Vol. 2 No. 2 (2025): Journal of Educational Research, Evaluation and Supervision
Publisher : Foundation of Jannatun Naim Lampung

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Abstract

This study aims to describe the role of supervision in supporting the optimization of the implementation of the independent training program through the Merdeka Teaching Platform (PMM). The research used a descriptive approach with data collection techniques in the form of a first cycle mentoring questionnaire filled out by two teachers. The research instrument involves six indicators which include teacher involvement in watching training videos, studying materials, completing modules, doing post-tests, completing real action sheets, and obtaining self-training certificates. The results showed that the first teacher obtained a final score of 91% with five indicators achieved, while the second teacher achieved a final score of 100% with all indicators achieved. Supervision played an important role in monitoring teachers' involvement in each stage of the training. These findings provide a concrete picture of the implementation of supervision in supporting the optimization of self-training in PMM.
Co-Authors Ahidiyah, Siti Merystica, Cyntia Rahayu, Chika Rangga Firdaus Safitri, Vivi Irvana Sugeng Sutiarso