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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 452 Documents
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Integrasi Intuisi Visual dan Logika Formal pada Mekanisme Sense-Making Geometri Berbasis Konflik Kognitif Siti Rukayah; Surya Sari Fara Diba
Mandalika Mathematics and Educations Journal Vol 8 No 2 (2026): Edisi Juni
Publisher : FKIP Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jm.v8i2.12236

Abstract

The dominance of formula memorization often constrains students’ spatial understanding. This article investigates how Meyvira, an eleventh-grade student, navigates a cognitive transition from procedural computation to qualitative geometric reasoning when confronted with a PISA-based problem. Employing a Think Aloud approach within a single-case study design, this research reveals a critical moment in which cognitive conflict stimulates the emergence of intuitive visualization as a valid proof strategy. The findings provide new insights into the mechanisms of mathematical sense-making and offer significant implications for educators in designing instruction that balances formal logic with visual intuition to foster deeper mathematical understanding.
Formative Assessment in Mathematics Learning: A Systematic Literature Review Marlina Septiana; Elly Arliani; Kana Hidayati
Mandalika Mathematics and Educations Journal Vol 8 No 2 (2026): Edisi Juni
Publisher : FKIP Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jm.v8i2.10943

Abstract

This study aims to critically examine the contribution of formative assessment to the processes and outcomes of mathematics learning through a Systematic Literature Review (SLR) approach. Ten scholarly articles published between 2015 and 2025 were analyzed based on rigorous inclusion criteria and selected from the ScienceDirect, ERIC, and Google Scholar databases. The findings indicate that formative assessment plays a significant role in enhancing student engagement, strengthening conceptual understanding, and supporting responsive teaching practices. Furthermore, formative assessment helps students reflect on their learning progress and promotes self-regulated learning in mathematics. Various forms of formative assessment have been identified, including technology-based interactive media, peer assessment, self-assessment, and visual and reflective feedback that encourage active student participation. However, the implementation of formative assessment faces several challenges, such as limited instructional time, digital literacy issues, teacher readiness, and technical difficulties in online learning environments. This review highlights the importance of continuous professional development for teachers and the establishment of a supportive assessment culture to ensure the effective implementation of formative assessment in mathematics education. The findings provide valuable insights for educators, researchers, and policymakers seeking to improve the quality of mathematics teaching and learning through evidence-based assessment practices.
PUMACA: Pengembangan Media Puzzle Berbasis Matching Card pada Materi Bangun Datar Kelas IV di SD Muhammadiyah 5 Samarinda Dea Agustina; Andi Asrafiani Arafah; Khusnul Khotimah; Muhlis Muhlis
Mandalika Mathematics and Educations Journal Vol 8 No 2 (2026): Edisi Juni
Publisher : FKIP Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jm.v8i2.11589

Abstract

Abstract This study aims to determine the development process, feasibility, student responses, and teacher responses to match card-based puzzle media in grade IV of elementary school. The research method used is Research and Development (R&D) with the ADDIE development model (analysis, design, development, implementation, evaluation). The research subjects were grade IV elementary school students. The instruments used were questionnaires from media experts, material experts, linguists, teacher responses, and student responses. The results of the feasibility validation by media experts showed that the instrument was declared very feasible with a percentage of 91%, material experts indicated that the instrument was declared very feasible with a percentage of 94%, linguists indicated that the instrument was declared very feasible with a percentage of 94%. The participant responses were divided into 2, namely small group trials and large group trials. The small group trial scored 91% while the large group trial scored 93%. Teacher responses showed that the resulting score was very good with a percentage of 96%. It was concluded that the match card-based puzzle media developed for grade IV of elementary school was feasible to be used in mathematics learning in schools.
Pengaruh Game edukasi “FRACTIFY” berbasis Software Construct 3 terhadap pemahaman siswa pada materi pecahan kelas IV di SD Muhammadiyah 5 Samarinda Fitri Handayani; Andi Asrafiani Arafah; Khusnul Khotimah; Muhlis Muhlis
Mandalika Mathematics and Educations Journal Vol 8 No 2 (2026): Edisi Juni
Publisher : FKIP Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jm.v8i2.11590

Abstract

Penelitian ini bertujuan untuk mengetahui pengaruh penggunaan game edukasi Fractify terhadap pemahaman siswa pada materi pecahan. Penelitian ini menggunakan metode eksperimen kuasi (quasi experiment) dengan desain nonequivalent control group design, yang dilaksanakan di SD Muhammadiyah 5 Samarinda pada siswa kelas IV, dengan kelas IV A sebagai kelas kontrol dan kelas IV B sebagai kelas eksperimen. Pengumpulan data dilakukan melalui tes pre-test dan post-test. Hasil penelitian menunjukkan bahwa penggunaan game edukasi Fractify mampu meningkatkan pemahaman siswa, yang ditunjukkan oleh nilai rata-rata N-Gain sebesar 0,708 dengan kategori tinggi. Selain itu, hasil uji Independent Sample t-test menunjukkan nilai signifikansi p < 0,001, sehingga H₀ ditolak dan H₁ diterima, yang berarti terdapat pengaruh signifikan penggunaan game edukasi Fractify terhadap pemahaman siswa pada materi pecahan. Dengan demikian, dapat disimpulkan bahwa game edukasi Fractify efektif digunakan sebagai media pembelajaran matematika pada materi pecahan di Sekolah Dasar.
Penerapan Logika Fuzzy Metode Mamdani dalam Memprediksi Hasil Produksi Beras di Indonesia Tahun 2024: Pendekatan Berbasis Variabel Luas Panen, Curah Hujan, dan Suhu M. Syarif Hikmatulloh Syarif; Rani Rizka Ramdani Rani; Cicilia Novelin Ompusunggu Cicilia
Mandalika Mathematics and Educations Journal Vol 8 No 2 (2026): Edisi Juni
Publisher : FKIP Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jm.v8i2.11638

Abstract

Rice production is one of the main indicators of national food security, especially in Indonesia.Accurate rice production forecasts are essential to support strategic planning and decision-makingin the agricultural sector. This study aims to apply fuzzy logic using the Mamdani method toforecast rice production in 2024. This method was chosen for its ability to handle the uncertaintyand complexity of data that often occurs in agricultural systems. The variables used includeharvest area, productivity, rainfall, and average temperature. The data analyzed is historical datafrom several previous years, which is then processed using a fuzzy inference system. The predictionprocess was carried out in several stages, namely fuzzification, rule formation, inference, anddefuzzification. The results of the study indicate that the Mamdani fuzzy logic model predicts riceproduction in 2024 to be 27,100,000 tons; it is hoped that this model will provide predictions thatclosely align with historical data and trends, with a relatively small margin of error. Thus, thismethod can be a reliable and adaptive tool in supporting future rice production planning and policy.
Studi Kasus Dinamika Kognitif pada Proses Abstraksi dan Klasifikasi dalam Membangun Pemahaman Konseptual Geometri Rosi Citrawati; Surya Sari Faradiba; M. Mahmudi Prasetiyo
Mandalika Mathematics and Educations Journal Vol 8 No 2 (2026): Edisi Juni
Publisher : FKIP Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jm.v8i2.11722

Abstract

This research is motivated by the low spatial literacy among elementary school students, who tend to memorize physical features of shapes without understanding their hierarchical logical relationships. The primary objective is to deconstruct the cognitive dynamics in building geometric conceptual understanding through the integration of abstraction and classification processes. Adopting a descriptive qualitative case study design, the study included 5th-grade students selected via purposive sampling. Data were collected using the Conceptual Geometry Task instrument through the Think-Aloud Protocol (TAP) technique, observations, and task-based interviews, which were then qualitatively analyzed using data triangulation. Specific findings indicate that the subjects reached a mature stage of abstraction by extracting invariant attributes to perform hierarchical classification consistent with Van Hiele Level 1. Furthermore, a progressive self-correction mechanism was identified as a means of overcoming high cognitive load by modifying logical strategies. Contextually, this study indicates that students’ procedural errors are often integral to the process of developing conceptual abstraction. The practical implications emphasize the urgency for educators to validate students' learning trajectories to foster comprehensive mathematical reasoning.
Analisis Penalaran Matematis Ditinjau Dari Kemampuan Awal Matematika Siswa Kelas VIII SMPN 22 Mataram Hana Rippana De Yumaina; Nani Kurniati; Eka Kurniawan
Mandalika Mathematics and Educations Journal Vol 8 No 2 (2026): Edisi Juni
Publisher : FKIP Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

The purpose of this study is to describe the mathematical reasoning abilities of eighth-grade students at SMPN 22 Mataram in the 2025/2026 academic year based on their initial mathematical ability levels. This is a descriptive study using a qualitative approach. The data collection techniques used in this study include administering a written test of initial ability, a written test of mathematical reasoning ability, and in-depth interviews regarding students’ mathematical reasoning ability. The data analysis methods employed are data reduction, data presentation, and conclusion. The indicators of mathematical reasoning ability consist of four stages, namely: a) identifying information, b) mathematical manipulation, c) constructing evidence, providing reasons or evidence for the validity of a solution, and d) concluding statements. The research results indicate that: a) students with high initial ability were able to solve the mathematical reasoning ability test questions well and met all 4 indicators of mathematical reasoning ability, b) students with moderate initial ability were less able to solve the mathematical reasoning ability test questions well, and errors and mistakes were found across the 4 stages of the mathematical reasoning ability indicators, c) students with low initial mathematical ability were able to solve the mathematical reasoning ability test questions up to the stage of formulating evidence, providing reasons or evidence for the correctness of the solution, but there were many errors and mistakes.
Pengaruh Model Pembelajaran IMPROVE Terhadap Kemampuan Pemecahan Masalah Matematika Siswa Kelas VII SMPN 15 Mataram Laeli Rohmayani; Nani Kurniati; Nilza Humaira Salsabila
Mandalika Mathematics and Educations Journal Vol 8 No 2 (2026): Edisi Juni
Publisher : FKIP Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jm.v8i2.11735

Abstract

Kurangnya pemahaman konsep pada proses pembelajaran matematika mengakibatkan rendahnya kemampuan siswa dalam memecahkan masalah matematika, sehingga diperlukan model pembelajaran inovatif seperti IMPROVE untuk membantu siswa dalam meningkatkan kemampuan pemecahan masalah. Penelitian ini bertujuan untuk mengetahui pengaruh dari model pembelajaran IMPROVE terhadap kemampuan pemecahan masalah kelas VII SMPN 15 Mataram tahun ajaran 2025/2026. Jenis penelitian yang digunakan adalah penelitian eksperimental dengan desain eksperimen posttest only control design, melibatkan 68 siswa yang dipilih melalui teknik cluster sampling dengan jumlah siswa kelas eksperimen yaitu kelas VII-B sebanyak 34 siswa dan kelas VII-A sebagai kelas kontrol sebanyak 34 siswa. Data diperoleh melalui posttest kemampuan pemecahan masalah dan dianalisis menggunakan uji prasyarat statistik, yaitu uji normalitas dan homogenitas, dilanjutkan dengan pengujian hipotesis menggunakan uji-t, serta perhitungan effect size. Hasil uji-t menunjukkan  dan  sehingga . Hal ini didukung oleh uji effect size sebesar  dengan kategori sedang.  Berdasarkan temuan tersebut, dapat disimpulkan bahwa model pembelajaran IMPROVE berpengaruh positif terhadap kemampuan pemecahan masalah matematika siswa kelas VII SMPN 15 Mataram tahun ajaran 2025/2026.
Pengaruh Indikator Sosial Ekonomi dan Kesehatan Terhadap Angka Harapan Hidup Menggunakan Regresi Data Panel Karina Sylfia Dewi; Oriza Sativa Bkriz Putri Ainun; Rosni Rosni; Annisa Hevita Gustina Kumalasari Saefulloh
Mandalika Mathematics and Educations Journal Vol 8 No 2 (2026): Edisi Juni
Publisher : FKIP Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jm.v8i2.11750

Abstract

Angka Harapan Hidup (AHH) di Provinsi Daerah Istimewa Yogyakarta merupakan salah satu indikator penting yang mencerminkan kualitas kesehatan dan kesejahteraan masyarakat. Penelitian ini bertujuan untuk menganalisis faktor-faktor sosial, ekonomi, dan kesehatan yang diduga berpengaruh signifikan terhadap AHH di Provinsi DIY selama periode 2018-2023 dengan menggunakan regresi data panel. Hasil penelitian menunjukan Kabupaten Kulon Progo memiliki rata-rata AHH tertinggi, sementara Kabupaten Bantul memiliki rata-rata AHH terendah. Pemodelan regresi data panel menghasilkan Random Effect Model (REM) sebagai model terbaik. Variabel yang berpengaruh signifikan terhadap AHH adalah kepemilikan BPJS, tenaga kesehatan, dan fasilitas kesehatan, di mana dua variabel pertama berpengaruh positif, sedangkan fasilitas kesehatan berpengaruh negatif. Nilai koefisien determinasi yang diperoleh sebesar 62,375%, yang berarti model mampu menjelaskan variasi AHH sebesar 62,375%, sedangkan sisanya dipengaruhi oleh faktor lain di luar model.
ANALISIS PEMAHAMAN KONSEP PADA MATERI PERKALIAN ALJABAR DITINJAU DARI KESALAHAN SISWA BERDASAR PROSEDUR NEWMAN Anjarwati Anjarwati; Hartono Hartono
Mandalika Mathematics and Educations Journal Vol 8 No 2 (2026): Edisi Juni
Publisher : FKIP Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jm.v8i2.11753

Abstract

This study is motivated by students' low ability to receive and process problem information, making error analysis necessary to understand conceptual understanding and help teachers determine appropriate learning strategies. The study aims to describe students' conceptual understanding in algebraic multiplication material, analyze the relationship between student errors based on Newman's procedure, and develop learning recommendations. The research employed a descriptive approach combining quantitative and qualitative analysis, with 30 seventh-grade students at a junior high school in Yogyakarta as subjects. Data were collected through conceptual understanding tests, analyzed quantitatively through descriptive statistics in the form of scores and categories, and qualitatively to identify student errors using five Newman stages: Reading Error, Comprehension, Transformation, Process Skill, and Encoding. Results indicate that students' conceptual understanding falls in the fairly good category with an average score of 79.72, with the highest indicator on connect knowledge and the lowest on evaluate thinking and purpose ideas and conjecture. Errors in reading and understanding problems indicate weak conceptual understanding, whereas the ability to construct procedures and write correct answers reflects strong conceptual understanding. Learning recommendations emphasize strengthening basic concepts, complete solution procedures, and developing students' evaluation skills and mathematical idea expression.

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