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Mandalika Mathematics and Educations Journal
Published by Universitas Mataram
ISSN : 27158292     EISSN : 27151190     DOI : 10.29303/jm
Core Subject : Education,
Mathematics
Mandalika Mathematics and Education Journal adalah Jurnal Matematika dan Pendidikan Matematika yang dikelola oleh Program Studi S1 Pendidikan Matematika FKIP Universitas Mataram. Fokus dan ruang lingkup dari jurnal ini adalah artikel ilmiah baik berupa hasil penelitian, review artikel maupun kajian pustaka khusus bidang Matematika dan Pendidikan Matematika.
Arjuna Subject : Matematika - Matematika (Lain-Lain)
Articles 377 Documents
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Penerapan Model Pembelajaran Discovery Learning Berbentuan Geogebra Untuk Meningkatkan Kemampuan Berpikir Kreatif Siswa SMP Rahman, M. Tata Aulia; Andayani, Sri; Ramadhan, Farizal
Mandalika Mathematics and Educations Journal Vol 8 No 1 (2026): Edisi Maret
Publisher : FKIP Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jm.v8i1.11673

Abstract

This study was motivated by the low level of creative thinking skills among junior high school students in the subject of flat-sided solid geometry and the dominance of conventional learning methods that do not encourage concept exploration. This study aims to describe the application of the GeoGebra-assisted Discovery Learning model and examine the improvement in students' creative thinking skills. This research employed a classroom action research design through the stages of planning, action, observation, and reflection. The research subjects were eighth-grade junior high school students. The instruments used included a creative thinking ability test, observation sheets, and documentation. The results showed an increase in creative thinking skills in each cycle, as indicated by improvements in the indicators of fluency, flexibility, originality, and elaboration. Learning became more interactive, students were more active in exploring concepts, and were able to find various problem-solving strategies. Theoretically, these results reinforce the constructivist paradigm that mathematical creativity develops through structured exploration and discovery. Practically, this model can be an alternative for learning spatial geometry by paying attention to time management and optimal syntax implementation.
DEVELOPMENT OF CANVA-BASED MATHEMATICS LEARNING MEDIA ON NUMBER PATTERN MATERIAL Johanis, Leony Eriani; Nenotaek, Bakher
Mandalika Mathematics and Educations Journal Vol 8 No 1 (2026): Edisi Maret
Publisher : FKIP Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jm.v8i1.10217

Abstract

This research is a research and development (R&D) project that aims to produce a Canva-based interactive learning media entitled "POLANDIA: Number Patterns in Mathematics" on the Number Patterns material for eighth-grade junior high school students and to test its effectiveness in improving student learning outcomes. The development model used is ADDIE, which includes the stages of analysis, design, development, implementation, and evaluation. The subjects of the study were eighth-grade junior high school students who were involved in the limited trial and field trial stages. The learning media were designed with attractive visual displays, interactive animations, and Google Form-based evaluation quizzes to help students understand the abstract concept of Number Patterns. Data collection techniques included learning outcome tests, student response questionnaires, and expert validation sheets. Data were analyzed descriptively, quantitatively, and qualitatively. The results showed that the "POLANDIA" learning media was effective in use, as indicated by a classical learning completion rate of 92.86%, as well as positive student responses to its use. Thus, the Canva-based interactive learning media "POLANDIA" can be an innovative and effective alternative in digital mathematics learning at the junior high school level.
Mr, Pengembangan LKPD Berbantuan Komik Matematika Menggunakan Model Guide Inquiry untuk memfasilitasi Literasi Matematis: LKPD berbantuan komik matematika pada Materi Statistika Kelas VII Menggunakan Model Guided Inquiry Rokhim, Ahmad Saipul; Sutiarso, Sugeng; Rosidin, Undang
Mandalika Mathematics and Educations Journal Vol 8 No 1 (2026): Edisi Maret
Publisher : FKIP Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jm.v8i1.10722

Abstract

This study aims to develop mathematics comic-assisted teaching materials using the Guided Inquiry learning model to facilitate students’ mathematical literacy skills on the topic of Statistics for seventh-grade students at SMP Adab Kesuma Bangsa. The background of this research stems from the low level of students’ mathematical literacy, as indicated by their difficulties in understanding contextual problems, interpreting data, and connecting mathematical concepts to real-life situations. The research employed a Research and Development (R&D) method with the ADDIE development model, consisting of the stages of Analyze, Design, Develop, Implement, and Evaluate. The validation results by material experts obtained a score of 0.81 categorized as “very valid,” while media experts obtained a score of 0.82 also categorized as “very valid.” The practicality test showed a student response score of 0.87 and a teacher response score of 0.88, both in the “very practical” category. The effectiveness of the teaching material was tested using a t-test with a significance value of <0.05, indicating a difference in the average mathematical literacy ability between the experimental and control classes. Thus, the developed mathematics comic-assisted teaching material is declared valid, practical, and effective in facilitating students’ mathematical literacy skills and can serve as an innovative alternative in mathematics learning at the junior high school level.
Optimasi Rute Distribusi Logistik Bencana Tsunami Aceh Menggunakan Algoritma Ant Colony Optimization (ACO) Bahri, Susila; Putri, Alti Vanie Diandra Eka; Amalia, Azzah Marsa; Andini, Dea; Sari, Lelen Purnama; Anugrah, Bayu; Ahzani, Muhammad Hasbi
Mandalika Mathematics and Educations Journal Vol 8 No 1 (2026): Edisi Maret
Publisher : FKIP Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jm.v8i1.10726

Abstract

This study aims to optimize the tsunami disaster logistics distribution route in Aceh Province by using the Ant Colony Optimization (ACO) algorithm combined with parameter tuning. Aceh is an area with a high level of earthquake vulnerability, making it prone to tsunamis such as the one that occurred in 2004, thus requiring a fast and efficient logistics distribution system. The Aceh Logistics Building was designated as the distribution center, while nine evacuation points from the evacuation route map of the Banda Aceh City GIS Technical Implementation Unit (UPTB) were used as destination points. The distances between points were calculated using Google Maps and arranged in a distance matrix. Parameter tuning was performed using the Grid Search method through MATLAB to determine the shortest route. The results of the study show that the minimum total distance obtained is 664.3 km to reach all evacuation points and return to the logistics warehouse. This value is smaller compared to the route before the parameter tuning process, indicating an improvement in distribution efficiency. Therefore, the implementation of the ACO algorithm combined with the Grid Search method is able to produce a more optimal route and support faster and more targeted logistics distribution in emergency conditions.
Pengaruh Pembelajaran Matematika Realistik dengan Konteks Tenun Sasak Terhadap Hasil Belajar Pola Bilangan: Studi Quasi Eksperimen Pada Siswa Kelas VII Tsabita, Aulia; Hayati, Laila; Triutami, Tabita Wahyu
Mandalika Mathematics and Educations Journal Vol 8 No 1 (2026): Edisi Maret
Publisher : FKIP Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jm.v8i1.10771

Abstract

Rendahnya hasil belajar menjadi perhatian penting karena hasil belajar merupakan gambaran ketercapaian pembelajaran oleh siswa. Pengajaran dianggap berhasil jika siswa mencapai tujuan pembelajaran yang telah ditentukan. Penelitian ini bertujuan untuk mengetahui perbedaan dan besar pengaruh pembelajaran matematika realistik terhadap hasil belajar siswa kelas VIII. Penelitian ini merupakan penelitian eksperimen dengan desain quasi-eksperimental posstest only control group design. Populasi penelitian adalah seluruh siswa kelas VIII dengan jumlah sampel 53 dimana kelas VIII C sebagai kelas eksperimen dan kelas VIII D sebagai kelas kontrol yang dipilih dengan teknik cluster random sampling. Instrumen yang digunakan dalam penelitian ini berupa soal tes uraian. Dilakukan uji prasyarat yang meliputi uji normalitas dan uji homogenitas. Kemudian dilanjutkan dengan analisis data menggunakan uji-t dan uji effect size. Berdasarkan hasil penelitian menunjukkan 1). Terdapat perbedaan rata-rata hasil belajar siswa pada kelas eksperimen dan kelas kontrol dengan nilai rata-rata dikelas eksperimen sebesar 66 (nilai tersebut lebih tinggi dibandingkan kelas kontrol dengan nilai rata-rata 53). Dengan menggunakan rumus cohen’s diperoleh nilai d  = 0.945 sehingga model pembelajaran yang diterapkan memiliki pengaruh tinggi terhadap peningkatan hasil belajar. Kesimpulannya dengan menggunakan model pembelajaran matematika realistik pada topik pola bilangan berpengaruh terhadap hasil belajar siswa kelas VIII. Model Pembelajran dapat digunakan sebagai alternatif pembelajran untuk meningkatkan hasil belajar matematika siswa.
Eksistensi dan Keunikan dalam Pengendalian LQ Berhorison Tak Terbatas Melalui Analisis Riccati Berbasis Sontag Rudianto, Budi; Muhafzan, Muhafzan; Syafwan, Mahdhivan; Sy, Syafrizal
Mandalika Mathematics and Educations Journal Vol 8 No 1 (2026): Edisi Maret
Publisher : FKIP Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jm.v8i1.10782

Abstract

This paper examines the existence and uniqueness of solutions to Linear Quadratic (LQ) optimal control problems with infinite time horizons in time-varying dynamic systems. By extending Sontag's Theorem to semi-infinite intervals, the properties of The Riccati Differential Equation’s solutions are analyzed under assumptions of essential boundedness and boundedness of the system matrix and cost weights. It is proven that the Riccati matrix solution P(t) exists globally, remains positive definite, and converges to the steady-state limit P∞. The uniqueness of the optimal control–state pair (x,u) is obtained through P(t)-based co-state analysis. Simulations on satellite attitude control systems demonstrate convergence and robustness towards periodic disturbances, supporting applications in adaptive control, robust estimation, and time-varying filtering.
Pengembangan Media Pembelajaran BARA (Bangun Ruang Augmented Reality) Mata Pelajaran Matematika Kelas V SD Nur Akhmad Fauzi; Wati, Unik Ambar; Sari, Mely Agustin Rahma; Wahidah, Wiwik; Romadhon, Nofian Nur
Mandalika Mathematics and Educations Journal Vol 8 No 1 (2026): Edisi Maret
Publisher : FKIP Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jm.v8i1.10825

Abstract

This study aims to develop, determine the quality, and practicality of BARA (Building Augmented Reality Space) learning media in Mathematics for fifth-grade elementary school students. The background of the study is the difficulty of students in understanding abstract mathematical concepts, resulting in low motivation and learning activity. This study uses the Research and Development (R&D) research type with the ADDIE (Analysis, Design, Development, Implementation, and Evaluation) model. The developed media utilizes the Assemblr Edu platform to present interactive 3D objects, so that abstract concepts become more concrete and visual. The quality of the media is assessed by material experts and media experts, while practicality is measured through student responses. The validation results from material experts obtained a score of 98.3% (Very Good) and media experts 86.6% (Very Good). Furthermore, the practicality test conducted on 19 fifth-grade students of SDN Wirosaban resulted in a score of 93.1% (Very Practical). These findings indicate that BARA media is a quality and practical learning media. It is concluded that this Augmented Reality spatial media is suitable for use and can be an effective innovative solution to increase students' motivation and understanding of spatial material in Elementary Schools, in line with the demands of 21st century learning
Pengembangan Media Pembelajaran Flipbook Interaktif Pada Materi Operasi Hitung Bilangan Bulat Untuk Siswa Kelas V Sekolah Dasar Romadhon, Nofian Nur; Wati, Unik Ambar; Fauzi, Nur Akhmad
Mandalika Mathematics and Educations Journal Vol 8 No 1 (2026): Edisi Maret
Publisher : FKIP Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jm.v8i1.10837

Abstract

Penelitian ini bertujuan untuk mengembangkan media pembelajaran matematika berbasis flipbook interaktif pada materi operasi hitung bilangan bulat. Latar belakang penelitian didasarkan pada rendahnya motivasi dan pemahaman peserta didik terhadap materi yang bersifat abstrak, serta keterbatasan guru dalam mengembangkan media berbasis teknologi. Subjek penelitian ini yaitu siswa kelas V SD Negeri Wirosaban. Penelitian menggunakan jenis penelitian Research and Development (R&D) dengan model ADDIE yang mencakup tahapan analisis, desain, pengembangan, implementasi, dan evaluasi. Hasil validasi media menunjukkan kualitas sangat baik dengan skor dari ahli media sebesar 82,5% dan ahli materi 91%. Uji kepraktisan juga menunjukkan hasil sangat baik, yakni 84,4% dari siswa menilai media sudah bagus, dilengkapi materi yang lengkap, mudah dipahami, menarik, dan menyenangkan.Media ini dinilai layak dan praktis digunakan sebagai alternatif pembelajaran inovatif digunakan siswa dalam memahami konsep operasi hitungan bulat. Penelitian ini menunjukkan bahwa integrasi media inovatif dalam pembelajaran dapat memberikan pengalaman belajar yang lebih interaktif, menarik, dan relevan dengan kebutuhan saat ini.
Literature Review: Integrasi Etnomatematika Pertanian Dalam Pembelajaran Matematika Sekolah Dasar Arafah, Andi Asrafiani; Suradi, Suradi; Rosida, Rosida
Mandalika Mathematics and Educations Journal Vol 8 No 1 (2026): Edisi Maret
Publisher : FKIP Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jm.v8i1.10912

Abstract

Mathematics learning in elementary schools generally remains abstract and disconnected from students’ real- life experiences, which contributes to low engagement and conceptual understanding. In agricultural-based communities, farming activities hold significant potential as sources of mathematical learning through an ethnomathematical approach. This study aims to explore how agricultural ethnomathematics can be integrated into mathematics learning in elementary schools within a local context. The method used is a Systematic Literature Review (SLR) by examining 12 national and international scholarly articles indexed in Scopus to Sinta 3 from the past seven years. The analysis focused on research objectives, cultural contexts, mathematical concepts developed, and the instructional models applied. The results show that agricultural practices contain mathematical concepts relevant to measurement, geometry, fractions, and ratio topics. However, the implementation of agricultural ethnomathematics remains limited due to teachers’ low cultural- mathematical literacy and the lack of structured teaching materials. This study concludes that integrating agricultural ethnomathematics can improve students’ conceptual understanding and connect learning with their real-life experiences. Therefore, the development of contextual learning modules and instructional models based on local farming practices is recommended for further application.
Conflicting narratives in student group dynamics when addressing exponential material contextual problems Emanuel, Endrayana Putut Laksminto; Soewardini, Herfa Maulina Dewi; Meilantifa, Meilantifa; Pradana, Radhitya Duta; Walida, Sikky El
Mandalika Mathematics and Educations Journal Vol 8 No 1 (2026): Edisi Maret
Publisher : FKIP Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jm.v8i1.11038

Abstract

Commognitive conflict often occurs in students at the beginning of their. This study aims to describe commognitive conflict, based on narratives experienced by students when solving contextual problems on exponential material. This study is a qualitative study with purposive sampling. A total of 20 undergraduate students of the Mathematics Education as a participant. They worked on one problem independently for 30 minutes, then their work was grouped based on correct and incorrect results. The incorrect results were divided into two groups. Each group selected one person as a research subject. Their answers were clarified through in-depth semi-structured interviews to obtain information about the causes of the conflict. The results showed that the conflict caused by their understanding of the knowledge they gained in high school was not mastered properly. Students become confused and unsure of the accuracy of their answers and knowledge. However, ultimately, accepting the new knowledge conveyed by experts is one solution. This conflict can be minimized by repeating the material from high school, which can be in the form of worksheets or assignments, so that commognitive conflict is expected to prevent recurrence.

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