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Rahmat Perdana
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INDONESIA
Interval: Indonesian Journal of Mathematical Education
Published by Cahaya Ilmu Cendekia Publisher
ISSN : 30251389     EISSN : 30217857     DOI : 10.37251/ijome
Core Subject : Education,
Education Mathematics
Interval: Indonesian Journal of Mathematical Education is a peer-reviewed open-access journal established to disseminate state-of-the-art knowledge in mathematics education. Editors will review all submitted manuscripts and then evaluate them by at least two international reviewers through the double-blind review. This is to ensure the quality of the published manuscripts in the journal. Interval: Indonesian Journal of Mathematical Education Journal welcomes high-quality manuscripts resulting from a research project in the scope of mathematics education
Arjuna Subject : Umum - Umum
Articles 48 Documents
 1   2   3   4   5 
Application of Adams-Bashforth-Moulton Method on Logistic Equation in Predicting Population Growth Alorgbey, Bernard; Abdullah, Sumarni; Njoroge, Paul Kahenya; Rewili, Yusra
Interval: Indonesian Journal of Mathematical Education Vol. 3 No. 1 (2025): June
Publisher : Cahaya Ilmu Cendekia Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37251/ijome.v3i1.1595

Abstract

Purpose of the study: This study aims to obtain population growth prediction results using the Adams-Bashforth-Moulton method. Methodology: This type of research is applied research. In this study, the Adams-Bashforth-Moulton method was applied by solving the problem of population growth in South Sulawesi Province. Main Findings: The logistic equation for population growth with a step size of h = 1 and the capacity of South Sulawesi Province is 20,000,000 people, with a growth rate of 2%. The numerical solution of the logistic equation for population growth at time t = 2020 with an optimal step size of ℎ = 1 is 8,944,168 people. Novelty/Originality of this study: This research is unique in the form of applying the Adams-Bashforth-Moulton method to solve problems in calculating population growth in South Sulawesi Province.
Cultural Values and Their Role in Shaping the Adaptation of Realistic Mathematics Education (RME) in Indonesia: A Mixed-Methods Approach Abbas, Sagir Adamu; Quiño, Annabelle M.; Abraham, Nayantara
Interval: Indonesian Journal of Mathematical Education Vol. 3 No. 1 (2025): June
Publisher : Cahaya Ilmu Cendekia Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37251/ijome.v3i1.1612

Abstract

Purpose of the study: The main objective of the study is to analyze how cultural factors influence the implementation of RME in the context of mathematics education in Indonesia. Methodology: The method used is a qualitative study employing content/document analysis of curriculum guidelines and instructional materials. Additionally, semi-structured interviews were conducted with six educators, and non-participant observations were carried out in three schools to examine the implementation of Realistic Mathematics Education (RME). Main Findings: The results of the study showed that the success of RME adaptation was influenced by local cultural values, such as community-based approaches and the context of students' daily lives. Novelty/Originality of this study: The novelty of this research lies in the in-depth analysis of the interaction between RME principles and Indonesian cultural characteristics, providing new insights into the development of more contextual and effective mathematics learning strategies.
Numerical Analysis of Flow Through Venturimeter with Variation of Neck Size to Determine Velocity Coefficient and Pressure Drop Beshay, Zakaria Gaber Hanawy; Sin, Sokunthea; Raja, Waleed A.
Interval: Indonesian Journal of Mathematical Education Vol. 3 No. 1 (2025): June
Publisher : Cahaya Ilmu Cendekia Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37251/ijome.v3i1.1613

Abstract

Purpose of the study: This study aims to analyze the effect of variations in the size of the venturimeter neck on the velocity coefficient and pressure drop using a numerical simulation method. Methodology: The method used in this study is numerical simulation using SolidWorks 2014 software. The simulated venturimeter model has a neck length variation of 20 mm and 30 mm, with a throat diameter of 10 mm. The fluid used is water with a temperature of 25°C, and the simulation is carried out in the Reynolds number (Re) range of 1000 to 5000. Main Findings: The results of the study showed that the greater the velocity of the incoming fluid, the Reynolds number, flow rate, and pressure drop also increased. In addition, the difference in the length of the venturimeter neck affects the pressure drop, where the venturimeter with a longer neck experiences a greater pressure drop due to the longer duration of the fluid flow. The resulting velocity coefficient is also influenced by the velocity of the incoming fluid, where the higher the velocity, the greater the flow rate value. Novelty/Originality of this study: The novelty in this research lies in the numerical approach in analyzing the relationship between the venturimeter neck size and the velocity coefficient and pressure drop. This approach allows faster and more efficient calculations compared to conventional experimental methods, thus contributing to the development of more accurate and applicable fluid flow measurement techniques.
Mathematics and Combinatorial Thinking: How Computational Ability Influences Problem-Solving in Number Patterns? Tiffani, Khatriya; Manaf, Mohammed Rizzman; Efendi, Riswan
Interval: Indonesian Journal of Mathematical Education Vol. 3 No. 1 (2025): June
Publisher : Cahaya Ilmu Cendekia Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37251/ijome.v3i1.1616

Abstract

Purpose of the study: This study aims to analyze students' computational thinking abilities in solving combinatorial problems based on high, medium, and low ability categories. Methodology: This study uses a descriptive qualitative approach with subjects of 33 students of class VIII I State Islamic Junior High School 2 Bondowoso. Data were collected through written tests, semi-structured interviews, and documentation. Data analysis used the Miles and Huberman model (reduction, presentation, conclusion) with triangulation techniques for validation, comparing test results, interviews, and documentation. Main Findings: Students with high and medium computational abilities are able to meet all indicators of computational thinking, including identifying and understanding problems, and converting them into combinatorics. Meanwhile, students with low abilities have difficulty in re-understanding the problems found. Novelty/Originality of this study: This study provides new insights into how students' level of computational thinking ability influences their success in solving combinatorial problems, as well as offers perspectives in developing more effective learning strategies to enhance students' computational thinking ability.
Critical Thinking as a Key to Solving Mathematical Problems: Findings from the TIMSS Framework in Middle Schools Roath, Chan; Alkaki , Zhyan Rafaat Ali; James , Julie S
Interval: Indonesian Journal of Mathematical Education Vol. 3 No. 1 (2025): June
Publisher : Cahaya Ilmu Cendekia Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37251/ijome.v3i1.1626

Abstract

Purpose of the study: The purpose of this study was to analyze the influence of critical thinking skills on students' mathematical problem solving based on the TIMSS framework. Methodology: This study uses a quantitative approach with a correlational survey design. The population of the study was junior high school students with a sample of 200 students selected by random sampling. Data collection used the Critical Thinking Ability Test and the Mathematics Problem Solving Test based on TIMSS. Data analysis was carried out using descriptive statistics, Pearson correlation tests, and simple linear regression using SPSS. Validity tests used content and construction tests, and reliability was tested with Cronbach's Alpha (0.745). Main Findings: The results of this study indicate a significant positive relationship between students' critical thinking skills and mathematical problem solving. The average score of critical thinking skills and mathematical problem solving is in the moderate category. The evaluation indicator has the highest score, while inference and synthesis have the lowest scores. The results of the Pearson correlation test showed a moderate relationship (r = 0.550), and the simple linear regression test showed that critical thinking skills significantly affect mathematical problem solving (R² = 0.303, p < 0.05). Novelty/Originality of this study: This study offers a fresh perspective by examining students’ critical thinking skills within the context of mathematical problem-solving using the TIMSS framework. The results enhance existing literature by demonstrating a strong link between critical thinking and effective problem-solving.
Fun Strategies for Learning Mathematics: Exploring the Potential of Combinatorial Game Theory in Discrete Mathematics Klinaku, Leutrim; Elumba, Ledy J; Abbas, Nada Mohammed
Interval: Indonesian Journal of Mathematical Education Vol. 3 No. 1 (2025): June
Publisher : Cahaya Ilmu Cendekia Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37251/ijome.v3i1.1629

Abstract

Purpose of the study: This study aims to examine the effectiveness of using combinatorial game theory in discrete mathematics learning to improve students' understanding and interest in learning. Methodology: Using the Mixed Methods approach, quantitative data were collected through a quasi-experimental design with a pretest-posttest control group, while qualitative data were obtained through interviews and observations. The sample consisted of 60 grade XI students divided into experimental and control classes. Main Findings: The results of the analysis showed that the average gain score of students' conceptual understanding in the experimental class (0.68) was significantly higher than the control class (0.32) with a t-test significance value of 0.001 (p < 0.05). In addition, the motivation questionnaire showed an increase in the average score from 2.9 to 4.1 on a Likert scale of 1–5. Novelty/Originality of this study: Qualitative findings reinforce that game-based strategies encourage active participation, collaboration, and positive perceptions toward discrete mathematical theory.
Analyzing the Contribution of Teacher Professional Development to Mathematics Outcomes: A Ghanaian Perspective from TIMSS 2022 Baah, Doris; Yunus, Hissan; Štrok, Andreja Vlahek
Interval: Indonesian Journal of Mathematical Education Vol. 3 No. 1 (2025): June
Publisher : Cahaya Ilmu Cendekia Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37251/ijome.v3i1.1732

Abstract

Purpose of the study: This study investigates the relationship between Teacher Professional Development (TPD) and Mathematics Achievement (MA) using data from the 2022 Trends in International Mathematics and Science Study (TIMSS) for Ghana. Methodology: Using a quantitative approach, data were collected from 200 teachers engaged in professional development programs through a structured questionnaire. The analysis SEMPLS for relationships observed between teacher development and mathematics achievement. Main Findings: Results indicate a significant positive correlation between TPD and MA, with a path coefficient of 0.329 (p = 0.026), suggesting that professional development contributes to improved student achievement. Additionally, a reciprocal relationship was observed, where higher MA also encouraged increased teacher development (coefficient 0.346, p = 0.046), highlighting a bidirectional influence. The findings align with previous research indicating that professional development enhances teaching quality and, in turn, student outcomes. Novelty/Originality of this study: The novelty of this research lies in its focus on Ghana, where the impact of TPD on mathematics achievement has not been extensively explored within the context of international assessments. The practical implications suggest that Ghana should continue to prioritize sustainable, evidence-based professional development initiatives that foster teacher reflection and improve pedagogical practices. However, limitations such as the sample size and the contextual focus on Ghana warrant caution in generalizing the findings. Future research should expand to include additional contextual factors and a broader range of educational settings to further explore the complex dynamics of teacher development and student achievement in mathematics.
Trends in International Mathematics and Science Study (TIMSS): A Comparative Analysis of Mathematics Achievement Rubio, Marilyn T.; Mensah, John; Sokpe, Benjamin
Interval: Indonesian Journal of Mathematical Education Vol. 3 No. 1 (2025): June
Publisher : Cahaya Ilmu Cendekia Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37251/ijome.v3i1.1733

Abstract

Purpose of the study: This study investigates global trends in mathematics education using TIMSS data to understand factors influencing student achievement. Methodology: Quantitative analysis of TIMSS datasets from the latest cycles was conducted using statistical tools such as SPSS and R for trend analysis, regression models, and comparative performance evaluations. Main Findings: Socioeconomic factors, teacher qualification, and curricular alignment were strongly associated with variations in student performance across countries. Novelty/Originality of this study: The study offers a detailed comparative analysis of the latest TIMSS results, emphasizing underrepresented countries, thereby contributing to strategies for improving global mathematics education.

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