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Development of teaching materials for trigonometric function graphs based on ICT and Tri-N for face-to-face and distance learning Hera, Cicilia Jaga; Arcana, I Nyoman; Kusumaningrum, Betty; Sulaimon, Jamiu Temitope
UNION : Jurnal Ilmiah Pendidikan Matematika Vol 13 No 1 (2025)
Publisher : Universitas Sarjanawiyata Tamansiswa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30738/union.v13i1.17079

The objectives of this research are to produce Tri-N and ICT-based teaching materials suitable for Face-to-Face Learning (FFL), create ICT and Tri-N-based teaching materials tailored for Distance Learning (DL), and evaluate the effectiveness and applicability of these materials across FFL and DL settings. The study contributes to academic discourse by demonstrating the efficacy of Tri-N and ICT-based teaching materials in enhancing mathematics instruction, particularly in the topic of Trigonometric Function Graphs. Using the ADDIE paradigm, which includes the phases of Analysis, Design, Development, Implementation, and Evaluation, the study employs the Research and Development (R&D) approach. The participants of the study consist of 36 Class X MIPA-2 students engaged in FFL and 36 Class X MIPA-1 students participating in DL at SMA Negeri 5 Yogyakarta. Learning outcomes evaluations, validation questionnaires, and answer questionnaires are some of the data collection techniques. To guarantee thorough review, the analysis combines qualitative and quantitative methodologies. The study's outcomes include the development of ICT and Tri-N-based teaching materials, such as learning videos, PowerPoint presentations, and handouts, with a primary focus on Trigonometric Function Graphs. These materials are made accessible through YouTube, with the link provided for broader dissemination. Expert assessments indicate high validity of the teaching materials, and student responses reflect positive reception and favorable average scores. The findings underscore the potential of these materials to enhance mathematics instruction in high school settings. It is recommended that educators integrate these resources into their teaching practices. Future research should investigate the application of ICT and Tri-N-based teaching materials across a broader range of subjects to further expand their impact on educational practices.

Development of ICT and Tri-N teaching materials for both in-class and online learning Huda, Miftakhul; Kusumaningrum, Betty; Arcana, I Nyoman; Yaakub, Mohd Syarull Azlan
UNION : Jurnal Ilmiah Pendidikan Matematika Vol 13 No 3 (2025): In Progress
Publisher : Universitas Sarjanawiyata Tamansiswa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30738/union.v13i3.18641

This research aimed to develop ICT and Tri-N teaching materials suitable for both in-class and online learning environments and assess their feasibility and effectiveness. The study employed the Research and Development (R&D) method with the ADDIE model, encompassing analysis, design, development, implementation, and evaluation stages. The research was conducted at SMA N 5 Yogyakarta, involving class X1 (in-class learning) and X2 (online learning) with a total of 72 students. Data were collected through student response questionnaires and tests. The developed teaching materials included videos, PowerPoint (PPT) presentations, and handouts. The videos were published on YouTube, providing links to specific sub-materials. The validation results indicated high validity, and student response analysis classified the materials as good. Furthermore, a positive and significant correlation between student responses and learning outcomes tests was observed. The developed teaching materials can serve as effective tools for student learning, and it is recommended for teachers to explore similar approaches for other subjects. This study contributes to the growing body of research on digital pedagogy by providing empirical evidence that ICT-integrated Tri-N teaching materials not only improve student learning outcomes but also offer a scalable and adaptable framework for enhancing instructional quality across varied educational contexts.

Development of trigonometric comparison teaching materials based on ICT and Tri-N for face-to-face and distance learning Prihatin, Ayung Yeni; Arcana, I Nyoman; Kusumaningrum, Betty
UNION : Jurnal Ilmiah Pendidikan Matematika Vol 12 No 1 (2024)
Publisher : Universitas Sarjanawiyata Tamansiswa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30738/union.v12i1.16964

This study endeavors to (1) develop instructional materials grounded in ICT and Tri-N principles tailored for both Face-to-Face Learning and Distance Learning modalities, and (2) assess the feasibility of these materials for dual usage. The research methodology employed is the Research and Development (R&D) approach, utilizing the ADDIE model encompassing five sequential stages: (1) Analysis; (2) Design; (3) Development; (4) Implementation; and (5) Evaluation. The study was conducted at SMA N 5 Yogyakarta, with a cohort of 36 students from class X-1 utilizing the PTM model, and another 36 students from class X-2 employing the PJJ model as research subjects. Data collection methods encompassed validation questionnaires, student response surveys, and learning outcome assessments, while data analysis involved both qualitative and quantitative descriptive methodologies. The research culminated in the creation of instructional materials rooted in ICT and Tri-N principles, comprising videos, PowerPoint (PPT) presentations, and handouts, which underwent comprehensive product feasibility testing. Validation results from media and material experts demonstrated a high level of validity, with Face-to-face instructional materials receiving an average score of 4.55 and distance learning instructional materials achieving an average score of 4.04. During the implementation phase, student feedback yielded favorable average scores of 3.49 for face-to-face instructional materials and 4.02 for distance instructional materials, indicating positive reception and usability. Notably, statistical analyses revealed a significant positive correlation between student responses and learning outcome assessments, affirming the suitability of the instructional materials for effective utilization by both students and educators.

Development of teaching materials for trigonometric function graphs based on ICT and Tri-N for face-to-face and distance learning Hera, Cicilia Jaga; Arcana, I Nyoman; Kusumaningrum, Betty; Sulaimon, Jamiu Temitope
UNION : Jurnal Ilmiah Pendidikan Matematika Vol 13 No 1 (2025)
Publisher : Universitas Sarjanawiyata Tamansiswa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30738/union.v13i1.17079

The objectives of this research are to produce Tri-N and ICT-based teaching materials suitable for Face-to-Face Learning (FFL), create ICT and Tri-N-based teaching materials tailored for Distance Learning (DL), and evaluate the effectiveness and applicability of these materials across FFL and DL settings. The study contributes to academic discourse by demonstrating the efficacy of Tri-N and ICT-based teaching materials in enhancing mathematics instruction, particularly in the topic of Trigonometric Function Graphs. Using the ADDIE paradigm, which includes the phases of Analysis, Design, Development, Implementation, and Evaluation, the study employs the Research and Development (R&D) approach. The participants of the study consist of 36 Class X MIPA-2 students engaged in FFL and 36 Class X MIPA-1 students participating in DL at SMA Negeri 5 Yogyakarta. Learning outcomes evaluations, validation questionnaires, and answer questionnaires are some of the data collection techniques. To guarantee thorough review, the analysis combines qualitative and quantitative methodologies. The study's outcomes include the development of ICT and Tri-N-based teaching materials, such as learning videos, PowerPoint presentations, and handouts, with a primary focus on Trigonometric Function Graphs. These materials are made accessible through YouTube, with the link provided for broader dissemination. Expert assessments indicate high validity of the teaching materials, and student responses reflect positive reception and favorable average scores. The findings underscore the potential of these materials to enhance mathematics instruction in high school settings. It is recommended that educators integrate these resources into their teaching practices. Future research should investigate the application of ICT and Tri-N-based teaching materials across a broader range of subjects to further expand their impact on educational practices.

Development of Tri-N (niteni, nirokke, nambahi) based e-modules on linear equations material for junior high school students Kusumaningrum, Betty; Istiqomah, Istiqomah; Langobelen, Petrus Damianus Sapan
UNION : Jurnal Ilmiah Pendidikan Matematika Vol 12 No 3 (2024)
Publisher : Universitas Sarjanawiyata Tamansiswa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30738/union.v12i3.17203

This study was motivated by the need to enhance student understanding of linear equations through innovative and practical learning resources. The primary aim was to develop and evaluate the validity and practicality of a Tri-N-based E-Module specifically designed for linear equation material. Utilizing a research and development (R&D) approach, the study followed the Four-D model, comprising Define, Design, Develop, and Disseminate stages. Conducted at SMP Negeri 3 Yogyakarta, the research involved 26 eighth-grade students as participants, with data collected through interviews and questionnaires, including validation surveys by material experts, media specialists, and students. The resulting E-Module, tailored to the learning needs of eighth-grade students, was validated with high scores from experts in material and media. Student feedback strongly affirmed its practicality and efficacy in facilitating learning. These findings confirm the Tri-N-based E-Module as a valid and practical tool for teaching linear equations, with significant potential to improve learning outcomes and instructional quality in mathematics education.

The role of peer interaction in fostering student motivation in mathematics education Wulandari, Amima; Kusumaningrum, Betty; Istiqomah, Istiqomah; Arigiyati, Tri Astuti; Bergman, Luc
UNION : Jurnal Ilmiah Pendidikan Matematika Vol 13 No 2 (2025)
Publisher : Universitas Sarjanawiyata Tamansiswa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30738/union.v13i2.19481

Mathematics is often seen as a challenging subject that demands not only cognitive ability but also sustained motivation. This study investigates how peer interaction can act as a catalyst for enhancing students’ motivation to learn mathematics. Adopting a qualitative approach with a survey design, data were collected from 40 high school and vocational students in Gunungkidul, Indonesia. Thematic analysis of open-ended questionnaire responses revealed that 72% of students reported higher motivation when learning alongside peers. Key motivational drivers included emotional support, collaborative problem-solving, and peer-driven encouragement. Interestingly, the study also highlighted potential setbacks such as interpersonal conflicts, which may reduce motivation. These findings affirm the transformative role of peer relationships in academic contexts and suggest that fostering supportive peer networks can be a strategic tool in improving students’ engagement with mathematics. This study contributes to educational psychology and mathematics education by demonstrating that peer interaction not only fosters emotional well-being but also improves students’ cognitive engagement with complex mathematical concepts. The findings offer practical insights into how structured peer collaboration can be integrated into instructional design to support diverse learner needs. By highlighting the dual role of peer interaction, as both an academic and affective resource, the study provides a foundation for developing socially responsive and student-centered learning environments aimed at improving mathematical achievement.

A study on mathematics anxiety and its manifestations in vocational high school students Sahidah, Nur; Kusumaningrum, Betty; Ayuningtyas, Annis Deshinta; Wijayanto, Zainnur; Bergman, Patrick
UNION : Jurnal Ilmiah Pendidikan Matematika Vol 13 No 2 (2025)
Publisher : Universitas Sarjanawiyata Tamansiswa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30738/union.v13i2.19509

Mathematics is often perceived as a difficult subject that triggers anxiety, especially among students facing academic pressure. This study aims to analyze and describe the level of mathematics anxiety experienced by final-year vocational high school students. Employing a descriptive qualitative approach, data were collected through a questionnaire distributed to six randomly selected Grade XII students from a vocational school in Gedangsari. The instrument consisted of 23 statements: 6 positive and 17 negative using a Likert scale to assess students’ anxiety. Data analysis followed the Miles & Huberman model, which includes data reduction, display, and verification. The results showed varying levels of mathematics anxiety: 2 students were categorized as having very high anxiety, 3 were in the moderate category, and 1 student experienced very low anxiety. Students with high anxiety reported symptoms such as trembling hands, increased heart rate, mental blocks, and a lack of confidence during mathematics tasks. Meanwhile, students with lower anxiety demonstrated greater emotional control, focus, and proactive engagement in learning activities. The findings indicate that mathematics anxiety can significantly hinder students’ cognitive and emotional capacity to learn effectively. This study contributes to educational psychology by providing insight into how mathematics anxiety manifests among vocational high school students. It highlights the importance of recognizing emotional factors in learning, particularly in high-pressure academic contexts. The results can inform teachers, counselors, and curriculum designers in developing supportive strategies to reduce anxiety and enhance mathematical engagement in vocational education. In conclusion, addressing mathematics anxiety is crucial for fostering a positive and supportive learning environment that empowers students to perform better academically. This research contributes to the understanding of mathematics anxiety in vocational education and emphasizes the need for empathetic, emotion-sensitive teaching approaches that support both cognitive and emotional student development.

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