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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 18 Documents
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Search results for , issue "Vol 7 No 1 (2025): Edisi Maret" : 18 Documents clear
Efektivitas Model Pembelajaran Problem Based Learning (PBL) dalam Meningkatkan Aktivitas dan Hasil Belajar Peserta Didik Kelas VII-B SMP Negeri 6 Mataram Hidayati, Nurul; Azmi, Syahrul; Sadri, Samaratus
Mandalika Mathematics and Educations Journal Vol 7 No 1 (2025): Edisi Maret
Publisher : FKIP Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jm.v7i1.8387

Abstract

Abstract This research aims to investigate the effectiveness of the Problem-Based Learning (PBL) model in enhancing the learning activities and outcomes of seventh-grade students in SMPN 6 Mataram, particularly for students with diverse mathematical abilities. Employing a collaborative Classroom Action Research (CAR) approach, the study was conducted in three cycles consisting of planning, implementation, observation, and reflection. Data collection methods included observation of learning activities and achievement tests. The research findings revealed a significant increase in student learning engagement, from 59.37% in cycle I to 81.25% in cycle III, as well as an improvement in learning mastery from 59.52% in cycle I to 85.71% in cycle III. These findings indicate that the Problem-Based Learning (PBL) model successfully encouraged active student involvement in learning activities and enhanced their understanding of the subject matter. This research recommends the adaptive and creative implementation of the Problem-Based Learning (PBL) model, as well as the development of varied learning activities to cater to the needs of students.
PENERAPAN MODEL PEMBELAJARAN KOORPERATIF TIPE NUMBERED HEAD TOGETHER UNTUK MENINGKATKAN HASIL BELAJAR MATEMATIKA SISWA Rahmawati, Rahmawati; Baidowi, Baidowi; Suntoko, Iwan
Mandalika Mathematics and Educations Journal Vol 7 No 1 (2025): Edisi Maret
Publisher : FKIP Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jm.v7i1.7814

Abstract

This research is motivated by the low mathematics learning outcomes of students in class VIII K of SMPN 1 Mataram. This research aims to improve mathematics learning outcomes in class VIII K of SMPN 1 Mataram for the 2023/2024 academic year using the Numbered Head Together (NHT) type cooperative learning model. This type of research is classroom action research which is divided into 3 cycles and each cycle consists of 2 meetings. Data collection techniques use tests and observations. The research results shows that there is an increase in mathematics learning outcomes of students in class VIII K using the NHT type cooperative learning model. In the first cycle masery learning is 38%. In the second cycle masery learning increased to 57%. In the third cycle masery learning increased to 81%. Based on this description, it can be concluded that the implementation of the Numbered Head Together (NHT) cooperative learning model can improve mathematics learning outcomes of students in class VIII K students of SMPN 1 Mataram for the 2023/2024 academic year.
Pengaruh Model Problem Based Learning Terhadap Peningkatan Kemampuan Penalaran Matematis Siswa Kelas IX SMPN 1 Kalianda Abyan, Ramzi; Gunowibowo, Pentatito; Widyastuti
Mandalika Mathematics and Educations Journal Vol 7 No 1 (2025): Edisi Maret
Publisher : FKIP Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jm.v7i1.7419

Abstract

Thisl researchl aims tol determinel thel effect ofl thel Problem Basedl Learningl modell on improving lstudents' mathematicall reasoning abilities. The populationl in thisl study wasl alll students inl class IX ofl SMPl Negeril 1 Kalianda, odd lsemester of the 2023/2024 academicl year, distributed in ten classes, namely IX.1 to IX.10, heterogeneously. Samplingl was carriedl out usingl a clusterl random samplingl technique, andl 30 studentsl in classl IX.1 were selected asl the experimentall class andl 30 studentsl in lclass IX.2 were selected asl the controll class. Thel research designl used wasl a lpretest-posttest controll group ldesign. This researchl data isl in thel form ofl quantitative datal obtained froml tests of students' mathematical reasoningl abilities. Basedl on thel results lof research using lthe Mann-Whitneyl U ltest, it wasl found thatl the increasel in lstudents' mathematical reasoning abilitiesl in thel experimental classl was higher than thel increasel in lstudents' mathematical reasoningl abilities inl thel controll class. Basedl on this, itl can bel concluded thatl the Probleml Based Learningl model has anl effect onl improving students' mathematical reasoning abilities.
Perbandingan Model Pembelajaran Case Method Dan Diskusi Dengan Menggunakan Hipotesis Uji Mann Whitney Dan Kolmogorov Smirnov Suhendra, Helen; Ineu Sulistiana
Mandalika Mathematics and Educations Journal Vol 7 No 1 (2025): Edisi Maret
Publisher : FKIP Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jm.v7i1.7505

Abstract

Pendidikan merupakan sebuah proses pembelajaran bagi setiap individu. Dalam sistem pembelajaran, ada banyak cara atau model-model yang dapat diterapkan dalam perkuliahan agar suasana belajar mengajar terasa lebih menyenangkan yaitu model pembelajaran diskusi, kolaboratif, case method dan sebagainya. Pada penelitian ini digunakan model pembelajaran diskusi dan case method untuk mengetahui apakah ada perbedaan antara kedua model tersebut, maka digunakan uji nonparametrik dua sampel independen. Uji yang digunakan untuk membandingkan perbedaan antara dua sampel yang independen yaitu Uji Mann Whitney dan Uji Kolmogorov Smirnov. Alasan digunakan metode tersebut, karena metode ini dapat menilai apakah dua sampel independen yang diamati terdapat perbedaan atau tidak secara signifikan. Tujuan penelitian ini adalah untuk menguji apakah ada perbedaan nilai yang signifikan antara kedua model pembelajaran tersebut dan melihat metode manakah yang terbaik dengan melihat Mean Square Error (MSE) terkecil. Hasil penelitian menyimpulkan bahwa perhitungan pada pengujian hipotesis Uji Mann Whitney dan Uji Kolmogorov smirnov terhadap model pembelajaran case method dan diskusi yaitu terima H0 artinya tidak ada perbedaan bermakna antara model pembelajaran case method dan diskusi. Berdasarkan hasil statistik Uji Kolmogov Smirnov ternyata lebih baik dibandingkan dengan Uji Mann Whitney. Karena Uji Kolmogov Smirnov memiliki nilai Error atau MSE lebih kecil dibandingkan dengan Uji Mann Whitney.
Studi Kasus: Media Pembelajaran Interaktif dalam Meningkatkan Kemampuan Numerasi Siswa dengan Integrasi GeoGebra dan Website Sripatmi, Sripatmi; Sridana, Nyoman; Arjudin, Arjudin; Junaidi, Junaidi
Mandalika Mathematics and Educations Journal Vol 7 No 1 (2025): Edisi Maret
Publisher : FKIP Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jm.v7i1.7898

Abstract

This research is motivated by the low numeracy skills of students in Indonesia, particularly in mathematics, with only 28% achieving proficiency at Level 2, far below the OECD average. The research problem includes questions about the effectiveness of Interactive Mathematics Learning Media (GeoGebra and Website) in improving students' numeracy skills in Geometry Transformation material. The aim of the research is to evaluate the effectiveness of this learning media, and the results are expected to provide an alternative for teachers in enhancing students' numeracy skills, which is crucial in addressing the wide educational quality gap in Indonesia compared to other countries, especially in terms of students' numeracy abilities. This research is also expected to provide recommendations to support the improvement of mathematics education quality at the junior high school level. This study is a case study involving 2 teachers and 8 students. The interactive mathematics learning media, integrating GeoGebra and the website, is effective in improving students' numeracy skills in geometry transformation material. The effectiveness of the interactive mathematics learning media can be seen through sufficient activities that allow students to explore the properties of translation, rotation, reflection, congruence, and dilation. Students' understanding of these properties in geometry transformation is followed by activities in solving geometry-related problems. Finally, conclusions are drawn on techniques for solving problems related to geometry transformation material.
Matriks Copson dan Ruang Barisan Salwa, Salwa; Irwansyah, Irwansyah; Yumni Awanis, Zata; Abdurahim, Abdurahim; Robbaniyyah, Nuzla Af'idatur
Mandalika Mathematics and Educations Journal Vol 7 No 1 (2025): Edisi Maret
Publisher : FKIP Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jm.v7i1.8364

Abstract

Sequence spaces are one of the topics in the field functional analysis such as null sequence space, converging sequence space and bounded sequence space designated and respectively. Those sequence spaces are normed spaces. Entry of Copson matrices denoted by with value and 0 for other . Null sequence space, , converging sequence space and bounded sequence space with Copson matrices built new sequence spaces that are squence spaces . The purpose of this study is to get some properties that occur to those sequence spaces with the same normed as sequence space . The results of this study are sequence spaces are Banach spaces with mapping coordinate is continues (BK), there are inclusion properties on sequence spaces, sequence space has AK property and sequence spaces and are compact.
Pengembangan Kompetensi Profesional Guru Matematika melalui Lokakarya Penelitian Tindakan Kelas Nasir, Rahma; Uncok Manigor Jokkas Siahaan; Ni Made Intan Kertiyani; Fajriani
Mandalika Mathematics and Educations Journal Vol 7 No 1 (2025): Edisi Maret
Publisher : FKIP Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jm.v7i1.8555

Abstract

One of the most effective strategies to improve mathematics teachers' professional competency is providing regular professional development workshops and training sessions for teachers. The aim of this study is to answer the following research questions: (1) How to design PD program for mathematics teachers in Indonesia through online workshop? (2) What are areas that need to be improved so that the program works as planned the next time? A “design research” method adopted for analyzing the process of PD program through collaboration CAR. The participant in this study were 24 mathematics teachers from 12 provinces. Data were collected through evaluation forms, focus group discussion, group meeting and learning logs, then the data were analyzed using grounded theory approach through the process of open, axial, and selective coding. 51% of participants considered the workshop to be very good, and 49% provided suggestions for improvement for further implementation. The two biggest factors to improve are adjusting the time to suit the participants and considering the technical issues that teachers might face. Based on the evaluation form each week, teachers considered that they need to join wokshop related to related to the Kurikulum Merdeka implementation, teaching media, ICT integration, and book publishing.
Analisis Kemampuan Berpikir Kritis Matematis Siswa Berdasarkan Gender pada Materi Teorema Pythagoras di Kelas VIII SMP Negeri 1 Botupingge R. Pontoh, Nur Lillah; Pauweni, Khardiyawan A. Y.; Takaendengan, Bertu Rianto
Mandalika Mathematics and Educations Journal Vol 7 No 1 (2025): Edisi Maret
Publisher : FKIP Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jm.v7i1.8628

Abstract

Critical thinking is a reasoning proces aimed at concluding by first gathering clear data or information. This study aims to analyze the critical thinking skills or male and female students in the Pythagorean Theorem learning material in Class VIII A and Class VIII B at SMP Negeri 1 Botupingge. The study employed a qualitative method with a descriptive research design. The instruments used were tests and interviews. The findings show that in class VIII A, used for validation, empirical testing identified both valid and invalid test items, and the reliability test indicated a very high level of reliability. In class VIII B, where the actual study was conducted, the percentage of male students’ critical thinking skills was 8.33% (high), 75.00% (moderate), and 16.67% (low). Meanwhile, the percentage of famale students was 25.00% (high), 75.00% (moderate), and 0.00% (low).
Pengaruh Penggunaan Media Powerpoint Intetaktif dalam Pembelajaran Matematika terhadap Prestasi Belajar Siswa Kelas VIII SMPN 1 Gunungsari Tahun Ajaran 2024/2025 Lestari, Ayu; Sripatmi; Kurniawan, Eka; Sarjana, Ketut
Mandalika Mathematics and Educations Journal Vol 7 No 1 (2025): Edisi Maret
Publisher : FKIP Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jm.v7i1.8708

Abstract

This study aims to determine the effect of using interactive powerpoint media in mathematics learning on the academic achievement of eighth-grade students at SMPN 1 Gunungsari in the 2024/2025 academic year. This research is a quantitative study using a quasi-experimental method. The population in this study consists of eighth-grade students at SMPN 1 Gunungsari in the 2024/2025 academic year, totaling 295 students, comprising 140 male students and 156 female students, distributed across ten classes (VIII A to VIII J). The sample in this study includes class VIII G, consisting of 29 students as the control class, and class VIII J, consisting of 27 students as the experimental class, selected using cluster random sampling. Data collection techniques used in this study include observation, tests, and documentation. The data analysis techniques employed are descriptive and inferential statistics, including normality tests, homogeneity tests, t-tests, and effect size tests. Based on the t-test analysis, it was found that t_count > t_table (2.913 > 2.005) at a 5% significance level. This indicates a significant difference in academic achievement between the experimental and control groups, with the experimental group having a higher average score of 75,66 compared to the control group’s average score of 65,56. The effect size test yielded a value of d=0.78 indicating that the effect of using interactive powerpoint media falls into the medium category. Therefore, it can be concluded that the use of interactive PowerPoint media influences the mathematics learning achievement of eighth-grade students at SMPN 1 Gunungsari in the 2024/2025 academic year.
Analisis kemampuan pemecahan masalah matematika materi sistem persamaan linier dua variabel ditinjau dari gaya belajar siswa kelas VIII SMP Negeri 1 Aikmel Tahun Ajarn 2024/2025 Ardi, Arsista Ardi; Arjudin; Dwi Novitasari; Muhammad Turmuzi
Mandalika Mathematics and Educations Journal Vol 7 No 1 (2025): Edisi Maret
Publisher : FKIP Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jm.v7i1.8713

Abstract

This study aims to analyze mathematical problem-solving abilities on the topic of Systems of Linear Equations in Two Variables (SPLDV) from the perspective of learning styles among eighth-grade students at SMP Negeri 1 Aikmel in the 2024/2025 academic year. This study employs a descriptive qualitative approach. The subjects of the study consist of 6 students, selected using purposive sampling, comprising 2 students each with auditory, visual, and kinesthetic learning styles. Data collection instruments used in this study include learning style questionnaires, mathematical problem-solving tests, and interviews. Data were analyzed using descriptive qualitative analysis. The results of the study indicate that: 1) students with a visual learning style tend to solve problems presented in graphical form more quickly because they find it easier to understand concepts and ideas clearly when the problems are presented visually rather than in text; 2) students with an auditory learning style tend to experience difficulties and require more time to solve problems in graphical form because they are more accustomed to understanding information through listening rather than through visual representation; 3) students with kinesthetic and visual learning styles tend to have difficulty writing conclusions, as kinesthetic learners are more focused on the process of solving problems rather than formulating conclusions from the solutions obtained; 4) students with visual and auditory learning style are able to complete all four stages of Polya’s priblem-solving process, whereas students with kinestheticc learning style can only complete three out of four stages: understanding the problem, devising a plan, and carrying out the plan. Keywords: Mathematical Problem Solving, Learning Style, SPLDV

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