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All Journal Journal of Education and Learning (EduLearn) Martabe : Jurnal Pengabdian Kepada Masyarakat Journal of Educational Research and Evaluation Brillo Journal Jurnal Pengabdian Sains dan Humaniora Jurnal Pengabdian Pada Masyarakat International Journal of Didactic Mathematics in Distance Education
Ditasona, Candra
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Journal : Brillo Journal

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Improving Mathematical Understanding on Geometry for 9th Grade Students through Three-Dimensional Mathematics Learning Media Based on Virtual Reality Simbolon, Kerdid; Ditasona, Candra; Setiawan, Laurencia Firstania
Brillo Journal Vol 4 No 1 (2024): Innovative Strategies to Enhance Mathematics Learning Effectively
Publisher : S&Co Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56773/bj.v4i1.71

Abstract

This study aimed to develop a three-dimensional virtual reality (VR)-based learning media for teaching mathematics at 9th grade students, focusing on improving students' understanding of geometric shapes. Utilizing the ADDIE (Analysis, Design, Development, Implementation, and Evaluation) model, the research involved the development of an interactive VR tool that allows students to engage with complex geometric concepts in an immersive environment. The VR media was validated by subject learning material experts in terms of content, language, and technical aspects, resulting in an overall validity score of 4.04, indicating high validity. Implementation quantitative analysis showed that the tool significantly improved student comprehension, with an average practicality score of 3.81, indicating that the media was easy to use in the classroom. This study concludes that VR-based learning media offers a promising approach to overcoming the difficulties students face in understanding three-dimensional geometry, providing both an engaging and effective learning experience.
The Development of Student Worksheet Based on Problem Based Learning Approach on Matrices Topics Aneliana, Aneliana; Ditasona, Candra; Manalu, Risma Uly
Brillo Journal Vol 2 No 1 (2022): Students’ Creation and Constructivist Approach in Learning Media
Publisher : S&Co Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56773/bj.v2i1.23

Abstract

This study aims to develop Problem Based Learning (PBL)-based worksheets to improve student’s critical thinking skills in contextual problem solving. The research design used is a feasibility analysis by research and development methods. The research was carried out using research and development (R&D) research and development methods. The sample consisted of 40 students from science programs in 11th grade. The data collection instrument used is the expert assessment sheet, student responses to the created worksheet. The development procedure with 8 stages namely potentials and problems, information gathering, product design, expert validation, first revision, product trial, second revision, final product. From the results obtained the average feasibility value by the media is 81.46% (very feasible), the average graphic feasibility value is 81.85% included in the very feasible criteria, the language eligibility average value is 76% included in the appropriate criteria and the average value of student responses is (87.40%) (very positive).
Development of Worksheets Based on the Metaphorical Thinking Approach for Students’ Procedural Fluency Ability Sartika, Nenden Suciyati; Kusuma, Yaya S.; Martadiputra, Bambang Apiv Priatna; Ditasona, Candra; Safitri, Mia Millawaty
Brillo Journal Vol 2 No 1 (2022): Students’ Creation and Constructivist Approach in Learning Media
Publisher : S&Co Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56773/bj.v2i1.25

Abstract

The mathematics materials in learning mostly used package books, but the provided resources in the school were limited and teachers did not optimize the existing technology to provide effective and interesting materials. As a consequence, students did not complete the exercise according to mathematical procedures and they were pessimistic. The general research purpose was to produce a metaphorical thinking approach-based worksheet for students' procedural fluency on valid characteristics. This study used research and development by the ADDIE stage model. The participant was 9th-grade students in junior high school. Data collection were observation, questionnaires, and interview techniques. The results showed that the characteristics of the developed worksheet have been valid. The results of the worksheet validity test were obtained by 90% and the results of the trial of students were 93%. The implications of this worksheet are helpful for students to independent learning, and this worksheet helps students solve mathematical problems in accordance with procedural, assisted by steps of the metaphorical thinking approach, teaching and learning activities are more effective.
Technological Knowledge Among Mathematics Pre-Service Teachers in Indonesia and the Philippines: A Comparative Study Ditasona, Candra; Purba, Santri Chintia; Natalia, Stevi; Sihotang, Hotmaulina; Junsay, Merley; Estomo, Rene T
Brillo Journal Vol 4 No 2 (2025): Technology Integration and Digital Transformation in Mathematics Education
Publisher : S&Co Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56773/bj.v4i2.111

Abstract

This comparative study investigates the Technological Knowledge (TK) readiness of mathematics pre-service teachers in Indonesia and the Philippines. Using a structured online survey, data were collected from 136 participants in Indonesia and 93 in the Philippines. TK readiness was categorized into three levels: Ready, Moderately Ready, and Not Ready, with demographic factors such as age, sex, and school type examined as potential influences. The results indicate that Indonesian pre-service teachers demonstrate higher TK readiness compared to their Filipino counterparts. No statistically significant associations were found between TK readiness and demographic variables in either country. The findings suggest a need for targeted interventions in teacher education programs to enhance TK competencies and ensure effective technology integration in mathematics classrooms. Implications for curriculum design and future research are discussed.
Co-Authors Aneliana, Aneliana Bryan C Tugelida, Nel Dameria Sinaga Daniel, Stepanus Darhim Darhim Estomo, Rene T Familia Novita Simanjuntak Han Nio, Tan Hendrikus Male, Hendrikus HOTMAULINA SIHOTANG Junsay, Merle Junsay, Merley Kristina, Nugra Heni Kusuma, Yaya S. Lumbantoruan, Jitu Halomoan Manogari Sianturi Martadiputra, Bambang Apiv Priatna Melda Simorangkir, Melda Metallica, Christina Novita Simanjuntak, Familia Pardosi, Deborah Purba, Santri Chintia Rian Nugroho, Andreas Risma Uly Manalu, Risma Uly Safitri, Mia Millawaty Sartika, Nenden Suciyati Setiawan, Laurencia Firstania Simbolon, Kerdid Stevi Natalia, Stevi Sunarto Sunarto Susilo Susilo Tugelida, Nel Bryan C Yaya S. Kusumah