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Journal of Mathematics Education and Science
Published by Universitas Nahdlatul Ulama Sunan Giri Bojonegoro
ISSN : 26211203     EISSN : 26211211     DOI : https://doi.org/10.32665/james
Core Subject : Education,
Education Mathematics
Journal of Mathematics Education and Science (JaMES) is a mathematical journal published biannually (April & October) by the Mathematics Educations Department, Fakultas Keguruan dan Ilmu Pendidikan, Universitas Nahdlatul Ulama Sunan Giri Bojonegoro. Journal includes research papers, literature studies, analysis, and problem-solving in Mathematics Education or Mathematical Sciences (Algebra, Analysis, Statistics, Computing and Applied).
Arjuna Subject : Matematika - Matematika (Lain-Lain)
Articles 146 Documents
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Implementasi Think Pair Share: Dampak Terhadap Kemampuan Analisis Matematis, Berpikir Reflektif dan Kreatif Ambarwati, Riyama; Nabila, Niki Nur; Anggoro, Bambang Sri; Nabila, Siti Ulfa
Journal of Mathematics Education and Science Vol. 7 No. 2 (2024): Journal of Mathematics Education and Science
Publisher : Universitas Nahdlatul Ulama Sunan Giri Bojonegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32665/james.v7i2.2712

Abstract

Kompetensi dasar yang dapat dicapai oleh siswa, seperti analisis matematis, berpikir reflektif, dan kreatif, memainkan peran penting dalam mendukung proses pembelajaran. Penelitian ini bertujuan untuk mengeksplorasi bagaimana kemampuan dalam analisis matematis, berpikir reflektif, dan kreativitas memengaruhi siswa yang terlibat dalam pembelajaran kooperatif, khususnya dengan mengimplementasikan model bertipe think pair share bersama metode ekspositori. Studi ini melibatkan 63 siswa yang terbagi menjadi dua kelas, yaitu kelas eksperimen dengan 32 siswa yang menerapkan model pembelajaran kooperatif tipe think pair share dan kelas kontrol dengan 31 siswa yang menerapkan metode ekspositori. Teknik pengambilan sampel dilakukan dengan menerapkan metode cluster random sampling, dengan tes sebagai metode pengumpulan data utama. Analisis data melibatkan berbagai uji diantaranya validitas, tingkat kesulitan, daya pembeda, reliabilitas, serta uji untuk normalitas dan homogenitas. Melalui penerapan uji MANOVA untuk pengujian hipotesis, peneliti menyimpulkan bahwa terdapat dampak dari keterampilan menganalisis matematis, berpikir reflektif dan kreatif pada siswa yang terlibat dalam pembelajaran kooperatif menggunakan model pembelajaran tipe think pair share bersama dengan metode ekspositori. Siswa yang menggunakan model pembelajaran kooperatif tipe think pair share akan memiliki efisiensi berpikir lebih tinggi dan memiliki akses terhadap metode pembelajaran terkini
Pengaruh Keahlian Berpikir Kritis Siswa SMP Terhadap Literasi Lingkungan dan Literasi Digital Az Zahra, Fatimah; Nabila, Siti Ulfa; Putra, Fredi Ganda
Journal of Mathematics Education and Science Vol. 7 No. 2 (2024): Journal of Mathematics Education and Science
Publisher : Universitas Nahdlatul Ulama Sunan Giri Bojonegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32665/james.v7i2.2728

Abstract

Tujuan dari penelitian ini yakni untuk mengetahuiagaimana literasi lingkungan dan literasi digital mempengaruhi kemampuan berpikir kritis matematika di SMP Negeri Kecamatan Jati Agung. Penelitian ini menggunakan analisis regresi linier berganda dengan taraf signifikansi = 0,05. Analisis ini menggunakan tiga uji, yaitu; uji t, uji F, dan uji koefisien determinasi (R2). Hasil uji t didapat nilai p-value = 0,018 pada tes literasi lingkungan, sehingga dapat dinyatakan H0 ditolak, yang artinya terdapat pengaruh dari litarisi lingkungan terhadap kemampuan berpikir kritis, selanjutnya antara kemampuan literasi digital dengan berpikir kritis matematis mempunyai nilai p-value yakni 0,021 sehingga H0 ditolak yang berarti terdapat dampak yang drastis. H0 ditolak . Hasil dari uji F dengan taraf signifikansi a = 0,05 dan p-value 0,005 memperlihatkan jika literasi lingkungan dan literasi digital mempunyai hubungan terhadap kemampuan berpikir kritis matematis murid. Hasil pada koefisen determinasi diperoleh nilai R square sebesar 0,042, artinya pengaruh dari variabel independen terhadap variabel dependen sebesar 4,2%.
Pemodelan Matematika Pada Penyebaran Penyakit Tuberculosis di Provinsi Jawa Timur Sari, Firda Yunita; Maulidya, Rahmania; Hilmi, Moh. Aditya Sirojul; Wahyudi, Sharenada Norisdita; Fransisca, Velicia; Putri, Anindya Maya; Asyhar, Ahmad Hanif; Ulinnuha, Nurissaidah
Journal of Mathematics Education and Science Vol. 7 No. 2 (2024): Journal of Mathematics Education and Science
Publisher : Universitas Nahdlatul Ulama Sunan Giri Bojonegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32665/james.v7i2.2733

Abstract

Tuberculosis yang banyak dikenal dengan sebutan TBC ialah suatu penyakit pernapasan yang menular, dipicu karena adanya Mycobacterium Harituberculosis. TBC menempati peringkat ke-2 setelah COVID-19 sebagai penyakit menular dengan tingkat kematian tertinggi di seluruh dunia. Pada tahun 2020 Indonesia menempati urutan ke-3 dalam kasus TBC tertinggi dibawah India dan Tiongkok. Pada tahun 2021 Provinsi Jawa Timur menjadi peringkat tertinggi ketiga dengan kasus TBC sebesar 466.297 jiwa. Penelitian ini bertujuan untuk mengetahui hasil analisis kestabilan model matematis dan simulasi dari dinamika penyebaran penyakit TBC pada tahun 2021 di Jawa Timur dengan keterbaruan yaitu perbandingan parameter uji coba menggunakan metode runge-kutta orde 4 dan model matematis SITR. Model tersebut merupakan pengembangan dari model SIR dengan menambahkan kompartemen T (treatment). Dalam penelitian didapatkan hasil dari model matematika SITR pada penyakit tuberculosis memperoleh kestabilan titik kesetimbangan endemik dan ketidakstabilan titik kesetimbangan bebas penyakit, hal ini disebabkan bilangan reproduksi dasar kedua parameter , yang menunjukkan bahwasanya Tuberculosis di Provinsi Jawa Timur berpotensi mewabah. Maka diperlukan upaya dalam mencegah dan mengendalikan penyebaran penyakit ini supaya mengurangi dampaknya terhadap kesehatan masyarakat.
Local Antimagic Edge Coloring Of Gear Graphs And Semi Parachute Graphs Dian Sri Rahmadani; Desi Febriani Putri; Wasono; Hardina Sandariria
Journal of Mathematics Education and Science Vol. 8 No. 2 (2025): Journal of Mathematics Education and Science
Publisher : Universitas Nahdlatul Ulama Sunan Giri Bojonegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32665/james.v8i2.4775

Abstract

The graph G is a pair of sets consisting of a vertex set V(G) and an edge set E(G), denoted by G = (V (G),E(G)). Coloring a graph involves assigning colors to each vertex, edge, or region such that no adjacent vertices, edges, or regions share the same color. A bijective function f∶ V (G) → {1,2,3,...,|V (G)|} is called a local edge antimagic coloring if for any two adjacent edges e_1 and e_2, they have different weights, w(e_1) ≠ w(e_2), where e = uv ∈ E(G) and w(e) = f (u)+f (v). The chromatic number is the term used in the context of local antimagic coloring, referring to the minimum number of colors derived from local antimagic labeling. This research discusses the local antimagic edge coloring on the Gear Graph (G_n) and the Semi Parachute Graph (SP_(2n-1)). The aim of the research is to determine the chromatic number of local antimagic edge coloring χlea(G) for the researched graphs. The method used in this research is pattern detection to derive the general pattern. Based on the analysis, the chromatic number of local antimagic edge coloring is obtained for the Gear Graph (G_n) and the Semi Parachute Graph (SP_(2n-1)) are χlea (G_n)=n + 2 and χlea(SP_(2n-1) )=n+ 2.
inggris Agustinus Tamo Bapa; Slamet; Hery Susanto
Journal of Mathematics Education and Science Vol. 8 No. 2 (2025): Journal of Mathematics Education and Science
Publisher : Universitas Nahdlatul Ulama Sunan Giri Bojonegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32665/james.v8i2.5133

Abstract

Problem-solving skills are essential in facing current challenges and developments. This study aims to describe students' ability to solve mathematical problems in the form of matrix story problems. This study employs a qualitative descriptive method and involves 93 eleventh-grade high school students. The instrument used is a written test consisting of two problem-solving questions. Subject selection was based on the results of a problem-solving ability test. Data collection utilized the problem-solving ability test questions and interviews. Qualitative data analysis was conducted through data reduction, data presentation, and conclusion drawing. The analysis was conducted according to Polya's model. The results showed that 7 students (8%) had very good mathematical problem-solving skills, as they were able to complete all four stages of Polya's model. Another 19 students (20%) were categorized as having good skills, although they only completed three stages of Polya's model without performing the final verification stage. Meanwhile, 30 students (32%) were only able to complete two stages of Polya's model without fully understanding the problem and without conducting a recheck, thus categorized as having adequate problem-solving skills. Additionally, 37 students (40%) were only able to complete one stage of Polya's model without fully understanding the problem, without formulating a plan, executing the plan, and without conducting a recheck. Thus, they were categorized as having poor problem-solving skills. This indicates that each student's ability to understand the problem, develop a problem-solving plan, implement the problem-solving plan, and check the answers is still in the low category. Therefore, it can be concluded that students' mathematical problem-solving abilities are still low. It is hoped that teachers can train students in learning, conduct effective learning, and thus improve students' problem-solving abilities.
Keberadaan dan Ketunggalan Titik Tetap Pada Pemetaan Non Ekspansif Dalam Ruang Bernorma Kuasi Linear Helmi Firdaus
Journal of Mathematics Education and Science Vol. 8 No. 2 (2025): Journal of Mathematics Education and Science
Publisher : Universitas Nahdlatul Ulama Sunan Giri Bojonegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32665/james.v8i2.5236

Abstract

This study examines the existence and uniqueness of fixed points of non-expansive mappings in quasi-normed spaces, to establish the existence of a solution to a non-expansive function in a quasi-normed space. The research method employed is a literature review, which provides some theorems with proofs and formal examples. The research began by outlining fundamental notions, such as convergence, Cauchy sequences, boundedness, and completeness, in the context of quasi-norms. Furthermore, the properties of compactness and their implications were elaborated as part of a theoretical framework. In the section on mappings, the characteristics of operators in quasi-normed spaces were first explained, including continuous and bounded mappings, along with their equivalence. Non-expansive and contraction mappings were then formally defined, serving as the basis for demonstrating the existence and uniqueness of fixed points. By applying a sequence approach and the completeness property, it was proven that every non-expansive mapping on a quasi-Banach space possesses a unique fixed point. Finally, it was shown that a quasi-normed space that is both compact and convex guarantees the existence of fixed points for non-expansive mappings defined on such spaces.
AN EXPLORATORY MIXED METHODS STUDY OF STUDENTS’ CRITICAL THINKING BASED ON SELF-REGULATED LEARNING IN NUMERACY LITERACY PROBLEM SOLVING Khoiri, Ayu Faiqoh; Linuhung, Nego; Rahmawati, Dwi
Journal of Mathematics Education and Science Vol. 9 No. 1 (2026): Journal of Mathematics Education and Science
Publisher : Universitas Nahdlatul Ulama Sunan Giri Bojonegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32665/james.v9i1.5759

Abstract

  This study aims to explore students’ critical thinking skills in solving numeracy literacy problems based on their levels of Self-Regulated Learning (SRL). The research employed a mixed-methods approach with an explanatory sequential design, involving 36 eleventh-grade students from a public senior high school in Bojonegoro. Quantitative data were collected through SRL questionnaires and numeracy literacy tests, while qualitative data were obtained from in-depth interviews with students representing high, medium, and low SRL categories. The results reveal a consistent relationship between SRL levels and critical thinking abilities. Students with high SRL demonstrated systematic and reflective critical thinking, encompassing interpretation, analysis, evaluation, and reflection. Students with medium SRL showed adequate analytical and evaluative abilities but were less consistent in reflection, while students with low SRL tended to rely on procedural thinking without re-evaluating their results. This study contributes by providing an exploratory mixed-methods profile of students’ critical thinking across different levels of self-regulated learning in numeracy literacy problem solving. The findings suggest that enhancing self-regulation plays a vital role in fostering students’ critical thinking, particularly in numeracy literacy tasks that require logical reasoning and metacognitive reflection.  
Kombinasi Algoritma Vigenère menggunakan Pembangkit ` Kunci RC4 dan ECB menggunakan Pembangkit Kunci LFSR Qonita Qurrota A’yun; Auliya Rahman; Syaripuddin
Journal of Mathematics Education and Science Vol. 9 No. 1 (2026): Journal of Mathematics Education and Science
Publisher : Universitas Nahdlatul Ulama Sunan Giri Bojonegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32665/james.v9i1.5067

Abstract

This research aims to demonstrate the process of encryption and decryption, as well as the implementation of a program in the form of a Graphical User Interface (GUI), using a combination of the Vigenère Cipher algorithm with an RC4 key generator and the Electronic Code Book (ECB) algorithm with an LFSR key generator. This combination was chosen because the Vigenère Cipher, as a classical algorithm, has a simple substitution structure, while RC4 is able to produce a highly random keystream. Meanwhile, ECB is an efficient modern block encryption method, and LFSR can generate a sequence of random bits based on a polynomial function. Together, these methods form a layered approach to securing messages. The data used in this study consists of plaintext messages in text form chosen by the author. The results show that the encrypted message can be successfully decrypted back into its original form. Therefore, this study proves that combining the Vigenère Cipher algorithm with RC4 and the ECB algorithm with LFSR can be effectively implemented and preserve data authenticity.
Analisis Hubungan Faktor Ekonomi dan Sosial dengan Kabahagiaan Dunia Berdasarkan Korelasi Kanonik Julia Widiyanti; Cantika Dhiya; Ganesya Intantalia; Maulana Syah Putra Ramadhani; Elly Pusporani; Elly Ana
Journal of Mathematics Education and Science Vol. 9 No. 1 (2026): Journal of Mathematics Education and Science
Publisher : Universitas Nahdlatul Ulama Sunan Giri Bojonegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32665/james.v9i1.5076

Abstract

This study aims to analyze the multivariate relationship between socioeconomic factors and global happiness indicators. Data taken from the 2019 World Happiness Report, which covers 125 countries, was analyzed using canonical correlation methods. The socio-economic dimension is represented by four variables, namely social support, freedom to make life choices, log GDP per capita, and healthy life expectancy. Meanwhile, the second group of variables representing happiness indicators includes ladder score, positive affect, and negative affect. The first canonical function shows a very strong and statistically significant relationship between the two sets of variables. The resulting canonical correlation is very high, namely rho_1=0.9243 with a p-value < 0.001, and this function is able to explain 85.4% of the overlapping variance. The main contributing variables are social support with a loading of 0.983 and log GDP per capita of 0.914 in the socio-economic set, as well as ladder score with a loading of 0.997 in the happiness set. Meanwhile, the second and third canonical functions generated in this analysis show relatively limited contributions. The results of this analysis confirm that social support and economic prosperity play a fundamental role in a country's happiness. The policy implications of these findings emphasize the need for integrated interventions that simultaneously strengthen social capital and promote sustainable economic growth.
FUZZY INFERENCE SYSTEM METODE MAMDANI DALAM PENENTUAN KUALITAS HAFALAN AL-QURAN Riky Irawan; Riko Hermawan; Ismi Septia Utami
Journal of Mathematics Education and Science Vol. 9 No. 1 (2026): Journal of Mathematics Education and Science
Publisher : Universitas Nahdlatul Ulama Sunan Giri Bojonegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32665/james.v9i1.6183

Abstract

Assessing the quality of Al-Qur'an memorization is an important part of tahfidz learning that requires objectivity and consistency. In practice, memorization assessment is often subjective because it depends on the examiner's perception and uses linguistic criteria that do not have clear boundaries. This condition necessitates a systematic approach that can accommodate uncertainty in the assessment process. This study aims to apply the Mamdani Fuzzy Inference System method in determining the quality of Qur'an memorization objectively. The system is designed with three input variables, namely memorization fluency, tajwid accuracy, and fashahah, and one output variable representing memorization quality. The Mamdani method is selected due to its intuitive rule structure, which aligns with human reasoning. The inference process consists of fuzzification, rule formation, implication, aggregation, and defuzzification. The system employs three input variables with three fuzzy sets each, resulting in 27 IF–THEN rules. The min operator is used for implication, the max operator for aggregation, and the centroid method for defuzzification. The proposed system was implemented using MATLAB and validated through simulation-based case scenarios representing various combinations of input values. The results show that the Mamdani Fuzzy Inference System is able to comprehensively integrate the three assessment aspects and produce a more consistent evaluation of memorization quality compared to conventional averaging methods. This consistency is reflected in the stability of output values generated by the system, where similar input patterns produce identical outputs (e.g., 75.00 and 91.33), whereas conventional calculations yield more fluctuating results. Therefore, the developed model can serve as an alternative decision support system in evaluating Al-Qur'an memorization learning.

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