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INDONESIA
IndoMath: Indonesia Mathematics Education
Published by Universitas Sarjanawiyata Tamansiswa
ISSN : 26145103     EISSN : 26145111     DOI : http://dx.doi.org/10.30738/indomath
Core Subject : Humanities, Education,
Humanities Education
Indomath publishes theoretical or empirical studies related to specific teaching and learning in the field of Mathematics Education. Indomath received publications from teachers, lecturers, and students as well as from observers and researchers of mathematics education. The scope of scientific articles that can be published in Indomath is as follows: Mathematics Learning Model, Media Learning Mathematics Curriculum in Mathematics Teaching, Assessment and Evaluation in Mathematics Teaching, Ethnomatics in Mathematics Learning Design Didactical in Mathematics Learning Lesson Study in Mathematics Learning Single Subject Research in Mathematics Education
Arjuna Subject : Umum - Umum
Articles 72 Documents
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E-Learning Tri-N Based Interactive to Improve Student Learning Motivation in Statistics Learning Pramudianti, Tiara; Widodo, Sri Adi; Hidayat, Wahyu; Sulistyowati, Fitria; Arifin, Usman
IndoMath: Indonesia Mathematics Education Vol 8, No 2 (2025): August 2025
Publisher : Universitas Sarjanawiyata Tamansiswa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30738/indomath.v8i2.143

Abstract

This study aims to develop an interactive learning media based on e-learning using Google Sites with the Tri-N approach (Niteni, Nirokake, Nambahi) to enhance students' learning motivation in the Statistics material for eighth-grade junior high school students. The research method employed is Research and Development (R&D) using the 4D development model, consisting of the Define, Design, Develop, and Disseminate stages. Data were collected through initial needs observation and product validation by media and material experts. The product developed is an interactive e-learning media containing teaching materials, instructional videos, practice exercises, and assessments based on the Kurikulum Merdeka. This media is designed to facilitate students' learning activities through the stages of Niteni, Nirokake, and Nambahi, with the expectation of encouraging active participation in the learning process. Due to time limitations, this research was conducted only up to the expert validation stage; practicality and effectiveness tests were not carried out. The validation results indicate that the Tri-N-based e-learning media is suitable for use in Statistics learning. In the future, this media has the potential to be further developed for other materials and educational levels as an innovative digital learning alternative for teachers and students.
Development of STEAM-based Differentiated Learning Tools on Comparison Material: Efforts to Improve Mathematical Literacy Pribadi, Maharani Hayuning Pangastuti; Lestari, Nurcholif Diah Sri; Kurniati, Dian; Pambudi, Didik Sugeng; Prihandoko, Antonius Cahya
IndoMath: Indonesia Mathematics Education Vol 8, No 2 (2025): August 2025
Publisher : Universitas Sarjanawiyata Tamansiswa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30738/indomath.v8i2.164

Abstract

One of the efforts to improve mathematical literacy is through differentiated and STEAM-based learning. This study aims to develop learning tools (teaching modules, LKPD, manuals and test packages) on comparison materials to improve students' mathematical literacy. This research uses the 4D model with the stages of defining, designing, developing, and disseminating. Data were collected through interviews, literature studies, observations, questionnaires, and tests. The teaching module design applies EDP for 6 JP and LKPD that facilitates process and content differentiated learning. The results of the development stage showed that the learning tools met the criteria: validity with a valid category (at least 3 on a scale of 4); practicality criteria with 87.74% of students active, and 3.68 (maximum scale of 4) learning implemented, as well as 71.67% of positive student responses; effectiveness with 79.2% of students complete learning and N-Gain 0.48 for mathematical literacy improvement. This study recommends that teachers accommodate students' learning needs and activate the classroom atmosphere using the learning tools that have been developed.
Acceptance of Learning Styles and the Use of Technology among Students in Mathematics Learning Shafira, Diva; Maarif, Samsul
IndoMath: Indonesia Mathematics Education Vol 8, No 2 (2025): August 2025
Publisher : Universitas Sarjanawiyata Tamansiswa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30738/indomath.v8i2.155

Abstract

This quantitative study examined the relationship between students' learning styles and technology use in math learning. Although digital tools are increasingly integrated into schools, many still overlook students diverse learning styles and their interaction with technology. Prior research often addresses learning styles or technology acceptance separately, with few examining both together, especially in secondary education. This study used a one-time survey involving 1.029 Indonesian students from middle schools, high schools, and vocational schools. Learning styles (visual, auditory, kinesthetic) were measured using a Likert-scale questionnaire. Technology acceptance was assessed through performance expectations, attitudes, perceived usefulness, and e-learning suitability. Data were analyzed using SmartPLS. Results show that attitudes toward technology significantly affect perceived ease of use, e-learning suitability, and performance expectations. These factors influence learning preferences both directly and indirectly. The findings support the technology acceptance model and show its relevance in improving digital-based math learning across Indonesia’s secondary education context.
The Influence of Wordwall Learning Media on Improving Students’ Mathematics Learning Outcomes in Elementary Schools Indrawati, Tuti; Trisniawati, T; Hadi, Windia; Nisa, Ana Fitrotun; Khosiyono, Banun Havifah Cahyo
IndoMath: Indonesia Mathematics Education Vol 8, No 2 (2025): August 2025
Publisher : Universitas Sarjanawiyata Tamansiswa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30738/indomath.v8i2.139

Abstract

Mathematics learning in elementary school faces challenges in improving student outcomes because of the conventional teaching methods. The limited integration of technology in the learning process results in low student engagement and suboptimal conceptual understanding. This study aims to determine the impact of using Wordwall learning media to improve the math learning outcomes of third-grade students. This research uses a quasi-experimental method with instruments in the form of test questions. Data collection techniques were carried out through tests and observations. This research was conducted at one of the elementary schools in the city of Yogyakarta, Indonesia. The research sample involved students in two classes; each class had 30 students. The research findings show that there is a difference in the average learning outcomes between the two classes. The experimental class obtained an average score of 89.60, while the control class achieved an average score of 83.33. The increase in the average score of the experimental class was higher than that of the control class. The results of this study it was found that the significance level of the research results is 0.013 < 0.05. It means that the use of Wordwall learning media affects students' mathematics outcomes.
The Effect of Reciprocal Teaching Assisted by Wordwall Media on Students’ Mathematical Communication and Resilience Deasya, Reisha Alifia; Maratusholihah, Istiadzah; Laelasari, L; Nasir, Fuad
IndoMath: Indonesia Mathematics Education Vol 8, No 2 (2025): August 2025
Publisher : Universitas Sarjanawiyata Tamansiswa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30738/indomath.v8i2.159

Abstract

This study aims to analyze the differences in students' mathematical communication and resilience skills between conventional learning and reciprocal teaching assisted by Wordwall. The study was conducted due to the limited research combining the reciprocal teaching method with interactive media to improve students' communication skills and resilience. The research population consist of eighth-grade students at a junior high school in Cirebon Regency, with samples taken using purposive sampling. The samples taken from classes VIII B and E, totaling 65 students. Using a quantitative approach with a pretest-posttest control group design and instruments in the form of tests and questionnaires, the results showed that the average posttest score for mathematical communication in the experimental class was 75.27, higher than the control class, which was 31.25. Conversely, the posttest score for mathematical resilience in the control class was 81.50, higher than that of the experimental class, which was 74.03. These findings indicate that the integration of reciprocal teaching and Wordwall has the potential to improve students' mathematical communication, although further research is needed to identify effective strategies for maintaining students' resilience.
Development of Mathematics Teaching Materials in the Context of Land Transportation Tickets for High-Level Thinking Malalina, Malalina; Yenni, Rika Firma
IndoMath: Indonesia Mathematics Education Vol 9, No 1 (2026): Vol 9 No 1, February 2026
Publisher : Universitas Sarjanawiyata Tamansiswa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30738/indomath.v9i1.177

Abstract

The development of mathematics teaching materials in the context of land transportation tickets is essential because it is close to participants’ daily lives and includes comparative materials on direct proportion, which can be used to optimize high-level thinking. This research aims to develop mathematics teaching materials in the context of land transportation tickets that are valid, practical, and have a potential effect on high-level thinking skills. The method employed by the development study includes preliminary and formative evaluation stages. The subjects of this study are students at SMP Negeri 3 South Pemulutan and SMP Negeri 47 Palembang. Data collection techniques use walkthroughs, interviews, observations, and tests. Qualitative descriptive techniques were used to analyze the data obtained. The results of expert validation show that the developed teaching materials are deemed valid in terms of content, construction, and language. The small group stage demonstrates that the teaching materials are practical, as students do not encounter difficulty using them during the learning process. The results of the field test showed the potential impact of teaching materials on students’ high-level thinking skills, as measured by indicators of analysis, evaluation, and creation. This research produces mathematics teaching materials in the context of land transportation tickets that are valid, practical, and have the potential to foster high-level thinking in the ability to analyze, evaluate, and create. It is expected to be used in learning to improve students’ high-level thinking skills through the context of land transportation tickets.
Problem-Solving Errors in Highest Common Factors and Lowest Common Multiples: An Analysis of Pre-Service Teachers’ Misconceptions Chiphambo, Shakespear Maliketi
IndoMath: Indonesia Mathematics Education Vol 9, No 1 (2026): Vol 9 No 1, February 2026
Publisher : Universitas Sarjanawiyata Tamansiswa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30738/indomath.v9i1.167

Abstract

This study examined the conceptual understanding of South African pre-service teachers regarding the Highest Common Factor (HCF) and Lowest Common Multiple (LCM), with a focus on errors and misconceptions that affect problem-solving. There is a paucity of research that specifically analyses how pre-service teachers’ misconceptions about HCF and LCM contribute to problem-solving errors in foundational mathematics. This study is grounded in two complementary theoretical perspectives: the Mathematical Knowledge for Teaching (MKT) framework and the Conceptual–Procedural Knowledge Theory. A sequential explanatory mixed-methods design was employed. Quantitative data were analysed using one-sample t-tests and Pearson’s correlation, and qualitative data were supported by error analysis. The three hypotheses were tested. Results showed a significant difference in understanding (t = 25.685, p < 0.001), leading to the rejection of the first hypothesis. A moderate negative correlation (r = -0.48, p < 0.001) between misconceptions and accuracy led to the rejection of the second hypothesis. The third hypothesis was not rejected, as no strong correlation was found between strategy use and conceptual errors (r = -0.12, p = 0.425). Findings highlight gaps in conceptual understanding and emphasise the need for conceptually focused instruction, diagnostic assessments, and real-life applications in teacher education programmes.
Ethnomathematics and Cultural Values in Madurese Agricultural Activities: An Ethnographic Study for Contextual Mathematics Learning Firdiansyah, Adin Lazuardy; Dewi, Lusiyana; hasanah, Nur
IndoMath: Indonesia Mathematics Education Vol 9, No 1 (2026): Vol 9 No 1, February 2026
Publisher : Universitas Sarjanawiyata Tamansiswa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30738/indomath.v9i1.180

Abstract

This study aims to explore and describe the manifestation of ethnomathematics concepts and cultural values contained in the rice farming activities of the Madurese community in Bangkalan and Pamekasan Regencies. This study uses a qualitative approach with an ethnographic design. Data were collected through observation and in-depth interviews with farmers and farm laborers. Data analysis was conducted interactively using the Miles and Huberman model, which includes the stages of data condensation, data presentation, and conclusion drawing, with triangulation techniques as a guarantee of data validity. The research findings indicate the presence of significant mathematical concepts, including counting and calculating activities. Furthermore, the application of the concept of comparison and the system of linear equations and inequalities was found. Culturally, this agricultural activity is based on the tradition of mutual cooperation and a strong philosophy of selfless work, which is reflected in the terms dherrebbhan and urunan. These values are rooted in the principles of equal-average-equal-feeling and equal-high-equal-low, which strengthen social cohesion. This study concludes that integrating ethnomathematics into mathematics instruction in schools can serve as a contextual and cooperative learning tool. This strategy not only helps students understand abstract concepts through agrarian realities but also internalizes the dimensions of the Pancasila Student Profile based on Madurese local wisdom.    
Investigating Students’ Mathematical Literacy in PISA Tasks Using Newman’s Theory Wahyudi, Dwi Arisma; Prabawanto, Sufyani
IndoMath: Indonesia Mathematics Education Vol 9, No 1 (2026): Vol 9 No 1, February 2026
Publisher : Universitas Sarjanawiyata Tamansiswa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30738/indomath.v9i1.175

Abstract

This study investigates the gap between technological ubiquity and stagnant mathematical literacy among Indonesian students. The research objective was to identify and analyze specific cognitive hurdles hindering students’ ability to solve contextual, PISA-adapted problems. Utilizing a qualitative descriptive design, the study involved 34 ninth-grade students in Kabupaten Bandung Barat. Subjects for semi-structured interviews were selected via purposive sampling, targeting those demonstrating representative error patterns across high, moderate, and low proficiency tiers. Data were analyzed using Newman’s Error Analysis (NEA) and validated through methodological triangulation. Results revealed that 52.94% of students possess low mathematical literacy, with the most critical barrier being transformation errors (58.36%), followed by comprehension (27.94%) and reading (14.70%). Qualitative findings indicate that these errors stem from three primary factors: contextual unfamiliarity with non-routine tasks, a detrimental dependency on teacher scaffolding, and conceptual deficits in processing decimal notation. The study concludes that students struggle to bridge the gap between narrative contexts and mathematical formalization. To mitigate these barriers, the research recommends the implementation of incremental scaffolding and explicit instructional strategies focusing on linguistic-to-mathematical translation to foster learner autonomy and higher-order thinking skills in the Indonesian educational framework.
The Quest for Excellence of Aklan Ten Outstanding Mentors in Mathematics: A Collective Case Study Ibabao, Jerrame Beltran
IndoMath: Indonesia Mathematics Education Vol 9, No 1 (2026): Vol 9 No 1, February 2026
Publisher : Universitas Sarjanawiyata Tamansiswa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30738/indomath.v9i1.174

Abstract

This study investigated the professional characteristics, teaching practices, and journeys of the Aklan Ten Outstanding Mentors in Mathematics to understand what makes them exemplary educators. Despite extensive research on effective math teaching components like pedagogical content knowledge and differentiated instruction, gaps remain in integrating how personal motivations, professional journeys, and contextual challenges in rural Philippine settings shape enduring excellence. Using a collective case study design grounded in post-positivist and social constructivist perspectives, the research explored how these mentors inspire learners, apply creative instructional strategies, and navigate professional challenges. Three awardees were selected as subjects. Data were collected via semi-structured interviews, classroom observations, and document analysis over 10 months. Thematic analysis using in vivo coding revealed five key themes: (1) use of student-centered and engaging teaching strategies; (2) strong commitment to professional growth and leadership; (3) active involvement in mentorship and collaboration; (4) application of real-world contexts in teaching mathematics; and (5) culturally responsive and inclusive practices.The study concludes that excellent math teachers not only enhance student learning but also lead transformative practices within the profession. These findings explain the importance of institutional support for professional development, mentoring, and teacher recognition to sustain quality mathematics education and foster a culture of excellence and inclusivity in schools.

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