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Department of Mathematics, Universitas Negeri Gorontalo Jl. Prof. Dr. Ing. B. J. Habibie, Moutong, Tilongkabila, Kabupaten Bone Bolango, Gorontalo 96119, Indonesia
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Jambura Journal of Mathematics Education
Published by Universitas Negeri Gorontalo
ISSN : -     EISSN : 27217477     DOI : https://doi.org/10.34312/jmathedu.v1i1
Core Subject : Education,
Mathematics
Jambura Journal of Mathematics Education (JMathEdu) is a peer-reviewed journal published by the Department of Mathematics, Universitas Negeri Gorontalo. This journal is available online and highly respects the publication ethic and avoids any type of plagiarism. JMathEdu is a national journal intended as a communication forum for mathematicians and other scientists from many practitioners who use mathematics in the research. JMathEdu disseminates new research results in all areas of mathematics education. The scope of the articles published in this journal deal with a broad range of mathematics education topics, including: Mathematics Learning Model Media and multimedia of Mathematics Learning Didactical Design of Mathematics Learning Mathematical Tools Mathematics Learning Theory Mathematics Education Curriculum Assessment and Evaluation of Mathematics Teaching and Learning Professional Development of Teachers of Mathematics
Arjuna Subject : Matematika - Matematika (Lain-Lain)
Articles 75 Documents
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Identifikasi Kesalahan Siswa MTs Dalam Menyelesaikan Soal Teorema Pythagoras Berdasarkan Tahapan Kastolan Gani, Moh. Rivaldi N.; Zakaria, Perry; Kobandaha, Putri Ekawaty
Jambura Journal of Mathematics Education Vol 6, No 1: Maret 2025
Publisher : Department of Mathematics, Universitas Negeri Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37905/jmathedu.v6i1.29565

Abstract

The number of students who make mistakes when answering questions related to the Pythagorean Theorem is the impetus for this study, with the aim of identifying errors made by students, as well as calculating the percentage of students who make mistakes related to the Pythagorean theorem based on the Kastolan stage, where students who are the subjects of this study are class VIII students of MTs. Nurul Bahri Kabila Bone. Using quantitative descriptive research methods, data derived from the answers of 17 students were collected and analyzed using descriptive statistical analysis. Six validated description questions were used as research instruments containing questions related to the Pythagorean theorem. The results obtained the percentage of students who made Kastolan stage errors, namely: (1) conceptual errors of 52.9%, with an average of 9 students making this type of error; (2) procedural errors of 82.4%, with an average of 14 students making this type of error; and (3) technical errors of 33.3% with an average of 6 students making this type of error. The errors that obtained the largest percentage of the findings were procedural errors, with the errors encountered including students' unwillingness to solve the problem completely, not recording the known and asked information, and not concluding the answer.
Ethnomathematics of Ilabulo: Exploring Mathematical Concepts in Gorontalo’s Traditional Food Damayanti, Taulia; Irfah, Auli
Jambura Journal of Mathematics Education Vol 6, No 1: Maret 2025
Publisher : Department of Mathematics, Universitas Negeri Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37905/jmathedu.v6i1.34009

Abstract

Mathematics is often perceived as abstract and disconnected from students’ daily lives, yet ethnomathematics highlights that mathematical ideas are embedded in cultural practices. This study explores the ethnomathematical concepts found in the preparation of Ilabulo, a traditional food of Gorontalo, Indonesia, through a qualitative ethnographic approach involving observation, documentation, and informal interviews with two local participants. The findings reveal two main concepts: ratio and proportion in mixing ingredients and geometry in wrapping and shaping, both of which were mapped to relevant school mathematics topics and further developed into contextual word problems. In addition, the study suggests that the process of preparing Ilabulo can be adapted into a video-based learning resource to support the problem-orientation stage in Problem Based Learning (PBL). These results demonstrate that everyday cultural practices can serve as meaningful contexts for mathematics learning, making abstract concepts more engaging and relevant while also strengthening students’ cultural identity.
Development of “Stafolding”: A Computer-Based Scaffolding Interactive Learning Media to Enhance Students’ Mathematical Problem-Solving Ability Damayanti, Taulia; Takaendengan, Bertu Rianto; Wungguli, Djihad; Tambiyo, Karman; Utina, Elsa Ekaputri
Jambura Journal of Mathematics Education Vol 6, No 2: September 2025
Publisher : Department of Mathematics, Universitas Negeri Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37905/jmathedu.v6i2.34648

Abstract

The low level of students’ mathematical problem-solving ability remains a challenge in the learning process, particularly in statistics topics. One effective approach to address this issue is scaffolding, which provides temporary support that helps students understand problems and find solutions independently. However, in classroom settings, individualized scaffolding is often suboptimal due to the large number of students compared to the limited number of teachers and the relatively short instructional time. This study aims to develop a computer-based scaffolding interactive learning medium that is feasible and practical for enhancing students’ mathematical problem-solving ability. The research employed a Research and Development (RD) design using the ADDIE model, consisting of five stages: Analysis, Design, Development, Implementation, and Evaluation. The media were developed using Canva, Microsoft PowerPoint, and iSpring Suite, and published via GitHub Pages for online accessibility. The validation results showed a feasibility score of 91.11% from material experts and 93.33% from media experts, both categorized as excellent. The practicality tests conducted by teachers and students each obtained a score of 92%, indicating that the media are easy to use and effective in facilitating learning. Therefore, the interactive learning media “Stafolding” are considered feasible and practical to be used as a computer-based scaffolding tool in mathematics learning.
Pengembangan Kartu UNO Math dengan Google Slide dalam Model TGT terhadap Kemampuan Penalaran Matematis Fransiska, Dian Fitri; Rahmawati, Fadhilah Rahmawati; Pamungkas, Megita Dwi
Jambura Journal of Mathematics Education Vol 6, No 2: September 2025
Publisher : Department of Mathematics, Universitas Negeri Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37905/jmathedu.v6i2.30448

Abstract

The purpose of this study was to develop UNO Math Cards using Google Slides with validity, practicality, and effectiveness in the TGT learning model to enhance student’s mathematical reasoning ability. This research employed RD (Research and Development) with the 4D model (Define, Design, Development, and Disseminate) involving 32 students in the experimental class. The findings revealed that the product achieved a validity score of 88.1%, categorized as very valid. A practicality score of 86.25%, indicating that the media is practical to use. An efectiveness value of 0.6603, showing that the media is effective in improving students’ mathematical reasoning ability. Therefore, the UNO Math Cards using Google Slides are declared valid, practical, and effective for use in the TGT learning model to support students’ mathematical reasoning skills
Pengembangan Media Pembelajaran Interaktif pada Materi Relasi dan Fungsi Pakaya, Susanty; Hulukati, Evi
Jambura Journal of Mathematics Education Vol 6, No 2: September 2025
Publisher : Department of Mathematics, Universitas Negeri Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37905/jmathedu.v6i2.20163

Abstract

This research is development research aimed at producing valid and practical products in the form of interactive learning media. The research employed a development research methode using a four-D (Define, Design, Develop and Disseminate) development model. It was conducted on students of class VIII at SMP N 1 Kwandang, North Gorontalo Regency, during the odd semester of the 2022 / 2023 academic year. The results indicated that the quality of the product being developed met the criteria of validity, practicality, and effectiveness. This was shown from the validation results for both media and material with an average validator score of 4.67, falling within the highly valid category. The analysis of the practicality aspect in the small group trials scored with 84.17% meeting the very practical criteria and the large group trials achieved an average score of 84.88%, also meeting the very practical criteria. Based on these findings, it can be concluded that the interactive learning media assisted by the kinemaster application that was developed is valid and practical for the topic of Relations and Functions for class VIII at SMP N 1 Kwandang.

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