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All Journal Southeast Asian Mathematics Education Journal Sriwijaya University Learning and Education International Journal
Hanayuki Alya
Universitas Sriwijaya
Education Languange, Linguistic, Communication & Media Mathematics Other

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Development of Kipas MATHIC Media to Improve Concept Understanding Ability on Trigonometry Material Adellia Tri Rahayu; Deria Azka Nurul Fathya; Hanayuki Alya; Intan Amalia; Budi Mulyono; Elsa Susanti; Meryansumayeka; Zulkardi
Sriwijaya University Learning and Education International Journal Vol. 2 No. 3 (2025): Sriwijaya University Learning and Education International Journal
Publisher : Universitas Sriwijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55379/56jy0x22

Abstract

This study aims to develop teaching methods that are effective, supportive, and efficient in enhancing students' understanding of mathematical concepts. The research followed the ADDIE development model, which consists of five phases: analysis, design, development, implementation, and evaluation. The study was conducted in response to students' difficulties in understanding trigonometric concepts and recent advancements in educational media identified by researchers. The feasibility and usability of the instructional tool was assessed by both teachers and students. Its validity was evaluated by involving media and content experts. A descriptive analysis was then performed on data collected through observations and interviews conducted throughout the research process. The results of the validity assessment showed scores of 89.29% from content experts and 80.58% from media experts, indicating that the instructional tool is highly suitable for classroom use. The evaluation form revealed scores of 90% from teachers and 78.72% from students, suggesting that the tool is considered very practical. Furthermore, an analysis of student performance demonstrated that Kipas MATHIC effectively enhances students’ understanding of trigonometric concepts.
Analysis of Student’s Metacognitive Errors in Working on PISA-Like Math Problem on Number Content Hanayuki Alya; Jenny Nurika Aryani; Aliyyah Salsabila; Ratu Ilma Indra Putri; Elsa Susanti; Ruth Helen Simarmata
Southeast Asian Mathematics Education Journal Vol 15, No 2 (2025)
Publisher : SEAMEO Regional Centre for QITEP in Mathematics

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46517/seamej.v15i2.487

Abstract

This study aims to analyze the forms of metacognitive errors made by junior high school students in solving questions developed by the Programme for International Student Assessment (PISA) on number content. Metacognitive skills are part of a higher-order thinking process that includes awareness and control of one's own thinking process, including strategy planning, monitoring implementation, and evaluating results. In the context of PISA-like math problem that require contextual and complex problem solving, these skills are crucial. This study employed a qualitative approach using a case study design. The research subjects consisted of three VIII grade students who were identified according to the categories of high, medium, and low mathematical ability. The main instruments were PISA-like math problem and interview guidelines based on metacognitive indicators. Data were obtained using written assessments and comprehensive interviews, then examined through qualitative descriptive analysis. The results showed that all students, regardless of mathematics ability level, made metacognitive errors. The most dominant errors occurred at the planning and evaluation stages. Students with low ability had difficulty understanding the problem, identifying relevant information, and designing a solution strategy. While students with medium and high abilities tend not to evaluate steps and results optimally. The results underscore the significance of enharing metacognitive abilities in mathematics education to foster reflective thinking and tackle complex problems.
Co-Authors Adellia Tri Rahayu Aliyyah Salsabila Deria Azka Nurul Fathya Elsa Susanti Intan Amalia Jenny Nurika Aryani Meryansumayeka Meryansumayeka Mulyono, Budi Ratu Ilma Indra Putri Simarmata, Ruth Helen Zulkardi