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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 411 Documents
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Pengembangan Perangkat Pembelajaran Berbasis Game Dengan Konteks Teka-Teki Silang Untuk Meningkatkan Kemampuan Numerasi Athia Awwalia Salim; Sri Subarinah; Tabita Wahyu Triutami
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.v8i2.12029

Abstract

Abstract This study aims to develop game based learning tools using a crossword puzzle context to improve students’ numeracy skills. Numeracy abilities can be improved by increasing students understanding of mathematical concepts. Game Based Learning offers an interactive learning experience that can make students’ understanding mathematical concepts through a structured game process. This study employed a Research and Development (R&D) method using the ADDIE ( analysis, design, development, implementation, and evaluation). The subjects of the study were 34 seventh grade students of SMP Negeri 15 Mataram. The developed products include teaching modules, student worksheets (LKPD), and numeracy posttest based game with crossword puzzle. Data analysis techniques include analysis of validity, practicality and effectiveness using percentage and N-Gain tests. The results indicate that the developed learning tools are highly valid, with module validity of 89.74%, LKPD validity of 85.65%, and posttest validity of 85.42%. The practicality level reached 89.40% (very practical). Furthermore, the effectiveness test showed an increase in students’ numeracy skills, with the average score improved from 60.93 to 81.33, and an N-Gain of 0.52 in the moderate category. These findings indicate that game based learning tools with a crossword puzzle context are sufficiently effective in improving students’ numeracy skills.
Analisis Kemampuan Pemecahan Masalah Matematis Siswa Berdasarkan Prosedur Polya ditinjau dari Self-efficacy pada Materi SPLTV Irna Alawiyah; Hanifah Hanifah; Lessa Roesdiana
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.v8i2.12053

Abstract

Mathematical problem-solving ability is not only related to the mastery of concepts and procedures but is also influenced by affective factors such as self-efficacy. This study aims to analyze students’ mathematical problem-solving abilities in the topic of Three-Variable Linear Equation System based on Polya’s procedures in terms of self-efficacy. This type of research is descriptive research with a qualitative approach. The study was conducted at a public senior high school in Bogor Regency involving 30 eleventh-grade students, with three students selected as the main subjects based on high, moderate, and low self-efficacy categories. Data were collected through a self-efficacy questionnaire and a mathematical problem-solving ability test based on Polya’s four-step procedures. The findings revealed that students with high self-efficacy were able to carry out all problem-solving procedures systematically and consistently. Students with moderate self-efficacy demonstrated fairly good ability but were not yet consistent, particularly lacking thoroughness in understanding the problem and still making errors at the evaluation stage. Meanwhile, students with low self-efficacy tended to experience difficulties in solving problems, characterized by a lack of problem understanding, inaccuracies in constructing mathematical models, and failure to evaluate the final results. These findings confirm that the higher a student’s self-efficacy, the better their problem-solving ability.
Analisis Kemampuan Berpikir Kreatif Matematis Siswa SMP Berdasarkan Kerangka ACER Dhita Fachriyanti; Ary Woro Kurniasih
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.v8i2.12057

Abstract

This study aims to describe the mathematical creative thinking abilities of eighth-grade junior high school students in the area of plane figures at a school in Grobogan Regency using the ACER (Australasian Council for Educational Research) framework. A descriptive qualitative approach was applied in this study. A total of 34 eighth-grade students were selected as the sample and grouped based on their level of mathematical creative thinking ability. Data collection was conducted through tests and interviews, followed by analysis using the stages of data reduction, data presentation, and drawing conclusions. The research findings revealed that 6 students (17.65%) fell into the high category, 24 students (70.59%) into the moderate category, and 4 students (11.76%) into the low category. Students in the high category successfully met nearly all aspects of the ACER framework, with the exception of the generates a range of ideas aspect, where their performance was not yet optimal. Students in the moderate category demonstrated ability in the aspects of generates a number of ideas, adapts and manipulates ideas, and considers novelty. Meanwhile, students in the low category were only able to demonstrate ability in the aspect of generates a number of ideas. Overall, students’ mathematical creative thinking abilities fell into the moderate category.
Analisis Kebutuhan Media Pembelajaran Interaktif pada Materi Statistika SMP Kelas VIII Aisyah Three Hapsari; Hendra Kartika; Muthiah Fildzah Noverli
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.v8i2.12073

Abstract

The utilization of interactive learning media in statistics instruction remains suboptimal, whilestudents demonstrate an increasing need for more engaging technology-based learning. Thiscondition emphasizes the importance of needs analysis as a foundation for developing relevantlearning media. This study aims to analyze and identify the needs for interactive learning mediain statistics for eighth-grade junior high school students. This research is a descriptive studyemploying a qualitative approach. The subjects consisted of two mathematics teachers and eightstudents from eighth-grade selected purposively with heterogeneous academic abilities. Datacollection was conducted through semi-structured interviews. The data were analyzed using theMiles, Huberman, and Saldaña model, encompassing data reduction, data display, and conclusiondrawing. The findings concluded that teachers and students require interactive learning mediawith specific characteristics to address students' learning difficulties in understanding statisticalconcepts. The identified media needs were categorized into three main aspects, including graduallystructured content presentation accompanied by real-world examples and dynamic visualizationsusing images or animations; two-way interactivity through quizzes or games coupled with practiceexercises featuring immediate feedback; and visually appealing yet simple design with flexibleaccessibility via smartphones. Therefore, the development of interactive learning media with suchcharacteristics is highly necessary to support more effective, interactive, and meaningful statisticslearning for eighth-grade junior high school students.
Mengapa Minat Belajar Matematika Siswa Rendah? Kajian Eksploratif mengenai Hambatan Internal dan Eksternal pada Siswa Madrasah Tsanawiyah Musdalipa Juanda; Nursupiamin; Yulia
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.v8i2.12085

Abstract

This descriptive qualitative study at MTs Nida’ul Khairaat Pombewe explores the internal and external barriers affecting the mathematics learning interest of Grade VIII students. Data were gathered through questionnaires, observations, interviews, and documentation, then analyzed using the Miles and Huberman model.The results reveal that internal barriers include negative attitudes, low self-confidence, and cognitive difficulties. Meanwhile, external barriers encompass monotonous teaching methods, one-way interaction, and a lack of family support and conducive classroom environments. These factors interact to worsen low student interest. In conclusion, low learning interest is a multidimensional phenomenon requiring interactive, student-centered pedagogical strategies to create a more supportive learning environment.
Model Regresi Quasi Poisson Jumlah Korban Kecelakaan Lalu Lintas di Kabupaten Lamongan Galuh Nadiya Nurfaiza; Awawin Mustana Rohmah; Siti Alfiatur Rohmaniah
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.v8i2.12119

Abstract

Traffic accidents are one of the major transportation safety problems that may cause casualties and material losses. Analysis of the number of accident victims is important to describe accident severity and identify influencing factors. This study aims to model the number of traffic accident victims in Lamongan Regency based on time characteristics and road conditions using Quasi Poisson regression. The data used were secondary data obtained from the Lamongan Police consisting of 1,202 traffic accident observations during 2025. The analysis stages included descriptive analysis, Poisson regression modeling, dispersion testing, and Quasi-Poisson regression modeling. The dispersion test result showed a dispersion parameter value of 0.4161, indicating underdispersion where the variance was smaller than the mean. This condition caused the standard Poisson regression model to be less appropriate because the equidispersion assumption was not fulfilled. The Quasi Poisson model produced more reliable statistical inference by adjusting the variance through a dispersion parameter. The significant variables affecting the number of traffic accident victims were month, day category, road status, and road condition. Therefore, the Quasi Poisson regression model was more suitable for modeling underdispersed traffic accident count data.
Pemodelan Regresi Logistik Biner terhadap Tingkat Keparahan Kecelakaan Lalu Lintas di Kabupaten Lamongan Kurnia Indah Wulandari; Siti Alfiatur Rohmaniah; Mohammad Syaiful Pradana
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.v8i2.12121

Abstract

Abstract Traffic accidents are a transportation safety issue that have significant social and economic impacts. This study aims to analyze the factors influencing traffic accident severity in Lamongan Regency using binary logistic regression. The data used were secondary data on 1,206 traffic accident cases from 2024 obtained from the Lamongan Police. The response variables were classified into two categories: minor accidents and serious accidents. Predictor variables included the number of fatalities, the number of minor injuries, the time of the accident, the type of accident, the cause of the accident, the road status, the road condition, and the road type. The analysis was conducted using binary logistic regression with a stepwise variable selection method based on the Akaike Information Criterion (AIC). The results showed that the number of fatalities, the number of minor injuries, the time of the accident, the type of accident, the road status, and the road type significantly influenced traffic accident severity. The resulting model achieved a classification accuracy of 78.11%, enabling a reasonably good classification of accident severity.
Analisis Spasial Faktor Kematian Maternal Di Jawa Timur Menggunakan Geographically Weighted Regression (GWR) Agus Mutia; Siti Alfiatur Rohmaniah; Awawin Mustana Rohmah
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.v8i2.12146

Abstract

Abstract Maternal mortality is one of the key indicators in assessing public health status and the quality of maternal health services. East Java Province still exhibits considerable variation in maternal mortality rates across districts and cities, necessitating an analytical approach that accounts for regional characteristic differences. This study aims to analyze the factors influencing maternal mortality rates in East Java Province using the Geographically Weighted Regression (GWR) method. Secondary data from 2024 covering 38 districts and cities in East Java were used. The predictor variables analyzed include K1 coverage, K4 coverage, postpartum maternal health services, deliveries assisted by health professionals, vitamin A supplementation, Fe3 tablet distribution, as well as the ratio of hospitals and community health centers. The results indicate that the GWR model with an adaptive Tricube kernel and an optimum bandwidth of 35 is the best-fitting model, with an AICc value of 261.175 and R² of 0.8646, outperforming the OLS model which yielded an R² of 0.6612. Local parameter estimation results reveal that the influence of predictor variables differs across districts and cities, indicating that the factors affecting maternal mortality are spatially varying and heterogeneous across regions. Keywords: Maternal Mortality, Geographically Weighted Regression, Spatial Analysis, East Java.
Pengembangan E-Modul Berbasis Ethno-STEM Pada Permainan Tradisional Mbojo Mpaa Gopa Untuk Siswa SMP PutrI Agustina; Parhaini Andriani; Mulhamah Mulhamah
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.v8i2.12183

Abstract

This study aims to develop a valid, practical, and effective e-module on geometry material based on the Ethno-STEM traditional game Mbojo Mpaa Gopa. The development of this e-module uses a 4D development model consisting of four development stages, namely (1) Define, (2) Design, (3) Develop, and (4) Disseminate. In the data collection process, observations and pre-tests and post-tests were carried out. The analysis technique for testing the effectiveness of the e-module, namely by using an independent sample t-test to see the results of students' learning outcomes in geometry mathematics. The results of this study include (1) the results of expert validation of the e-module which is suitable for use with valid results in the material and design aspects, (2) the results of practicality based on teacher and student response questionnaires that have been declared to meet practical qualifications, and (3) the level of effectiveness of the e-module obtained from the t-test process that tests learning outcomes through pre-tests and post-tests. Therefore, the main conclusion of this study is that an Ethno-STEM-based e-module based on the traditional game Mbojo Mpaa Gopa was obtained that is suitable for use, categorized as valid, practical, and effective for junior high school students in geometry.
Pengembangan Media Pembelajaran Interaktif Melalui Pendekatan Contextual Teaching Learning (CTL) Pelajaran Matematika Kelas IV SD Dzaky Kosandi; Unik Ambar Wati; Evy Nur Rochmah
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.v8i2.12195

Abstract

Mathematics is a discipline that studies forms, structure, and interrelated concepts. Visual aids serve as concrete representations that facilitate learning experiences. The rapid advancement of technology has fostered the development of innovative and creative interactive learning media. This study aims to develop interactive learning media through the Contextual Teacing Learning (CTL) approach for teaching whole number multiplication operations in fourth-grade elementary school mathematics. The subject of this study were the students of Class IV B at SD Kanisius Demangan Baru I. This research was motivated by the limited use of interactive learning media in mathematics learning. This study employed the R&D method using the ADDIE model, which consits of the stages of analysis, design, development, implementation, and evaluation. The validity test results score of 93% in the material aspect, categorized as “highly qvalid” and 82% in the media aspect, categorized as “valid”. Furthermore, the practicality test results scores 92% based on teachers respons and 89% based on students respons, both categorized as “highly practical”. Therefore, the interactive learning media develop in this study are considered valid, practical, and suitable for use in the leraning process.

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