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Polyhedron International Journal in Mathematics Education
Published by Nashir Al-Kutub Indonesia
ISSN : -     EISSN : 29876540     DOI : https://doi.org/10.59965/pijme.v1i1
Core Subject : Education,
Education Mathematics
Polyhedron International Journal in Mathematics Education (PIJME) journal aims to stimulate discussions at all levels of mathematics education through disseminating significant and innovative scholarly studies that are of value to the international research communities. The journal welcomes articles focusing on all aspects of mathematics education including empirical, theoretical, methodological, and philosophical works that have a perspective wider than local or national interest. PIJME publishes only original scholarly works. Manuscripts that are indeed a derivative or replication/duplication (if there is not clear reason, justification) of previous work are not accepted and will not be published in PIJME. Please do not submit the same manuscript simultaneously or separately to PIJME with another journal. In such cases the responsibility solely rests with the author(s).
Arjuna Subject : Ilmu Sosial - Pendidikan
Articles 26 Documents
 1   2   3 
The Influence of Differentiated Learning Models on the Learning Outcomes of Fifth Grade Students in Mathematics Rahman, Makbul; Akrom, Muhamad; Taufik, M.
Polyhedron International Journal in Mathematics Education Vol. 2 No. 1 (2024): pijme
Publisher : Nashir Al-Kutub Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59965/pijme.v2i1.98

Abstract

This study aimed to determine the effect of differentiated learning models on the learning outcomes of fifth-grade students in mathematics at elementary school in the 2023/2024 academic year. The study was conducted on fifth-grade students with a population of 21 students as one sample. The sampling technique used in this study was saturated sampling, where all populations were used as one sample. This study was an experimental study with a pre-experimental design, specifically a one-group pretest-posttest design. The pretest was used to measure students' initial abilities, while the posttest was conducted to measure the learning outcomes of fifth-grade students after carrying out treatment or action. Hypothesis testing in this study used the Paired Sample T-Test, which was preceded by a validity test, reliability test, and normality test. The results of this study were seen from the hypothesis test carried out using the Sample Paired T-Test technique, which obtained a significant value of 0,000. This means 0,000 < 0,05, so H1 was accepted. It can be concluded that there was an influence of the differentiated learning model on the learning outcomes of fifth-grade students in mathematics.
Fostering Prospective Teachers’ Disposition: A Lesson Study in Linear Programming Topics Embedded by Technology Krisnadi, Elang; Kandaga, Thesa
Polyhedron International Journal in Mathematics Education Vol. 2 No. 1 (2024): pijme
Publisher : Nashir Al-Kutub Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59965/pijme.v2i1.104

Abstract

In modern education, especially in higher degree programs, disposition was one of several factors that highly affected the learning process. The purpose of this research was to foster mathematical disposition among prospective teachers through a technology approach. POM-QM represented technology embedded into the learning process. Each cycle started with planning the embedding of technology into learning, realizing the plan by engaging a model teacher and an observer, and then ending with reflection to improve the next learning process to be applied to another class or the next topic. This lesson study began at the very beginning of linear programming. The conclusion was that the chapter design was able to foster mathematical dispositions. Some other affective and cognitive skills were known to have improved. The conclusion also covered some other unwritten but proper actions to take in the learning process based on lesson study reflection and evaluation. It was hoped that subsequent researchers would be able to implement lesson study activities during lecture activities.
The Influence of regional languages on presenting and solving local mathematics problems: a systematic literature review Safitri, Widya Sani; Sahmin, Sahmin; Isnawan , Muhamad Galang; Indrawati, Indrawati
Polyhedron International Journal in Mathematics Education Vol. 2 No. 1 (2024): pijme
Publisher : Nashir Al-Kutub Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59965/pijme.v2i1.88

Abstract

This research aims to find out how the use of regional languages ​​influences the presentation and solving of mathematical problems. In conducting research, researchers used the SLR (Systematic Literature Review) research method. Researchers searched journals on several websites with predetermined keywords. To make it easier to filter articles to be researched, researchers used the PRISMA flow. Where, there are several stages, namely identification, screening, eligibility, inclusion and exclusion criteria. In the final stage, 21 articles were obtained for research. The research results showed that the use of regional languages ​​in mathematics learning showed a positive influence on students' attitudes and motivation in learning mathematics. Apart from that, there is an increase in students' understanding of mathematical concepts and it makes it easier for students to solve local mathematics problems.
Utilization of GeoGebra software in mathematics learning: A Literature Systematic Review Seftiana, Gina; Lestari , Nurindah; Isnawan, Muhamad Galang; Rusmayadi, Muh.
Polyhedron International Journal in Mathematics Education Vol. 2 No. 1 (2024): pijme
Publisher : Nashir Al-Kutub Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59965/pijme.v2i1.95

Abstract

The research aimed to investigate the utilization of GeoGebra software in mathematics education, focusing on how it is integrated into teaching and learning. Employing a systematic literature review method, this study synthesized findings from various academic sources. The results indicated several significant points regarding GeoGebra's application in education. First, GeoGebra software has been effectively used across various mathematical topics, including geometry, algebra, calculus, and other related areas. Its flexibility makes it a valuable tool for visualizing complex concepts and enhancing students' understanding. Second, the utilization of GeoGebra spans both high school and college levels, showing its wide acceptance in diverse educational settings. The software has proven beneficial for learners at different academic stages, allowing them to explore mathematical concepts interactively. Third, the use of GeoGebra has demonstrated positive impacts on students' learning outcomes. It enhances engagement, fosters better comprehension of abstract ideas, and significantly improves students' higher-order thinking skills, such as problem-solving, critical thinking, and creative reasoning. Furthermore, the study revealed that GeoGebra had been widely used in various regions of Indonesia, particularly in the western parts, indicating growing interest in integrating ICT tools in mathematics education. Teachers and educators in these regions have adopted the software to facilitate more dynamic and interactive learning environments. In conclusion, the findings of this study highlight the effectiveness of GeoGebra in improving students' learning outcomes and mathematical thinking skills. Its potential for fostering a deeper understanding of mathematics and enhancing cognitive abilities makes it a valuable resource for educators.
Optimizing Variable Selection with Bayesian t-Lasso Regression: A Comparison of Normal-mixture and Uniform-mixture Representations for Outlier Data Analysis Mohmmad Nasim Wafa; Shuja, Shujauddin
Polyhedron International Journal in Mathematics Education Vol. 2 No. 1 (2024): pijme
Publisher : Nashir Al-Kutub Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59965/pijme.v2i1.105

Abstract

One of the discussed parts of the regression model is choosing the optimal model. The choice of the optimal model in regression models is to determine the important explanatory variables and the negligible variables and to express the relationship between the response variable and the explanatory variables in a simpler way. With the limitations of classical variable selection processes such as step-by-step selection, compensated regression methods can be used. One of the compensated regression models is Lasso regression. For data collection and statistical analysis in the presence of remote observations, instead of normal distribution, T-Student distribution can be used for the error of these data. In this article, we propose a variable selection method called T-Lasso Bayesian regression model for data analysis in the presence of outlying observations. Bayesian t-lasso regression model with two different representations of Laplace's prior density function for the coefficients of the regression model is investigated, so that first the Laplace density function is discussed in the form of mixed distribution-normal scale and then in the form of mixed distribution-uniform scale. Then, by using simulation methods and real data analysis, the superiority of the Bayesian T-lasso regression method is shown by showing the Laplace density function in mixed-uniform scale over normal mixed-scale display.
Development of PUME as an educational game to optimize students' creative mathematical thinking ability in solid geometry topics Apriliani, Sundari; Komala, Elsa; Sugiarni, Rani; Setiawan, Erwan; Sutandi, Andi
Polyhedron International Journal in Mathematics Education Vol. 2 No. 2 (2024): pijme
Publisher : Nashir Al-Kutub Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59965/pijme.v2i2.130

Abstract

This study aims to develop a learning medium in the form of a game used for practice questions through PUME in the Solid Geometry topic to optimize creative thinking abilities. The method used in this study is Research and Development (R&D) with the ADDIE model (Analysis, Design, Development, Implementation, and Evaluation). The participants for evaluating the feasibility of PUME included 4 media experts and 3 content experts consisting of lecturers and teachers, while the participants for assessing effectiveness were eighth-grade junior high school students from Cianjur district. The data collection techniques used in this study were a test of students' creative mathematical thinking abilities and expert judgment (validation by media experts, content experts, and student responses). The data analysis techniques used in this study involved qualitative data analysis (data reduction, data presentation, conclusion drawing) and quantitative data analysis in the form of percentage validation by media experts, content experts, and student responses using random sampling. The results of the study on the development of PUME as a learning medium for the Solid Geometry topic in the form of an educational game show that it can optimize students' creative mathematical thinking abilities. The feasibility level of PUME was rated as “very feasible,” and the effectiveness of PUME was classified as “effective” for implementation in mathematics learning for the Solid Geometry topic in junior high schools. As for students' creative mathematical thinking abilities, 45% of the students were nearly able to optimize their abilities.
Teachers' Difficulties in Teaching Mathematics for Grade XI: Case Study in Nias Adventist High School Zebua, Julta Erniat
Polyhedron International Journal in Mathematics Education Vol. 2 No. 2 (2024): pijme
Publisher : Nashir Al-Kutub Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59965/pijme.v2i2.151

Abstract

This study aimed to identify and analyze the difficulties experienced by teachers in teaching Mathematics to XI-grade students. The research used a qualitative approach to examine the challenges faced by teachers in teaching Mathematics to IX-grade students. The participants in this study included two mathematics teachers and 32 eighth-grade students. The results of the study showed that teachers faced difficulties in several aspects, including a lack of understanding of basic concepts, difficulties in applying concepts, lack of motivation, lack of parental support, and insufficient skills in using mathematical tools. To address these challenges, teachers implemented various effective teaching strategies, such as project-based learning, computer-based learning, and group-based learning. These strategies helped students better understand mathematical concepts and increased their motivation to learn mathematics. It was also important for teachers to show the connection between mathematics and students' daily lives, so they could see the relevance of mathematics in their lives. Teachers sought assistance and developed their skills in information technology to improve the quality of Mathematics instruction. The importance of teaching mathematics lay in the way teachers engaged students, ensuring they were motivated and interested in learning mathematics by linking the material to real-life situations, creating interactive and engaging lessons, and building positive relationships with students. Teachers adopted innovative strategies such as project-based learning, computer-based learning, and real-life applications to enhance students’ understanding and motivation in mathematics. Additionally, professional development programs and stronger collaboration with parents were essential to effectively address teaching challenges.
The effect of photomath applications on mathematical problem solving: systematic literature review Putri, Sri Yayuk Juana; Cahyanti, Cahyanti
Polyhedron International Journal in Mathematics Education Vol. 2 No. 2 (2024): pijme
Publisher : Nashir Al-Kutub Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59965/pijme.v2i2.92

Abstract

The purpose of this research was to analyze the impact of the Photomath application on students' mathematical problem-solving abilities. This study employed a systematic literature review method using the PRISMA approach, where relevant articles were There were 5 articles that were further analyzed. collected and analyzed following the PRISMA flowchart. The results revealed various research methodologies used in studies involving Photomath, publication trends in recent years, and evidence of its influence on enhancing students' problem-solving skills. Based on these findings, it was recommended that teachers integrate the Photomath application as a supplementary tool in mathematics learning to help students understand and solve complex mathematical problems effectively.
Analysis of students' errors in solving statistics problems based on Newman's Error theory: a study on high school students Prameshti, Nhira L; Darmawan, Puguh; Dejarlo, Jenisus O.
Polyhedron International Journal in Mathematics Education Vol. 2 No. 2 (2024): pijme
Publisher : Nashir Al-Kutub Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59965/pijme.v2i2.150

Abstract

This study analyzed the errors made by high school students in solving statistics problems based on Newman's Error Theory. Statistics is a complex topic that requires accuracy and precision, leading to frequent errors in problem-solving. This research employed a qualitative approach using test questions and interviews to identify the causes of errors. The research subjects were eleventh-grade students who met the criteria of making errors in the predetermined indicators. Data analysis was conducted through three stages: data reduction, data presentation, and conclusion drawing. The findings revealed that reading errors were minimal and did not significantly affect problem-solving, while comprehension errors occurred due to students’ lack of understanding of the problem statement. Transformation errors arose when students struggled to convert word problems into mathematical expressions, and process skill errors were observed when students performed incorrect calculations. Encoding errors occurred when students failed to write the final answer, provided incorrect final answers, or drew inaccurate conclusions. These findings indicated the need for targeted instructional strategies to address specific types of student errors. Teachers should have emphasized improving problem comprehension, enhancing mathematical translation skills, and strengthening students' ability to perform accurate calculations. By addressing these issues, educators could have supported students in developing a more structured and precise approach to solving statistical problems, ultimately improving their overall mathematical proficiency.
Effectiveness of digital-based mathematics learning media on sequence and series material Ahmad, Andy; Maruf, Abdul Hakim; Yudha, Chrisnaji Banindra
Polyhedron International Journal in Mathematics Education Vol. 2 No. 2 (2024): pijme
Publisher : Nashir Al-Kutub Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59965/pijme.v2i2.163

Abstract

One of the mathematical topics closely related to real-life problems is sequences and series, which are used to model and predict various phenomena and patterns. This material helps enhance students' abilities in applying mathematical formulas accurately in everyday contexts. The aim of this study is to examine the effectiveness of digital-based learning media in supporting students' understanding of sequences and series. A simple descriptive quantitative method was employed, focusing on evaluating the media's effectiveness through basic statistical analysis. The results indicate that digital-based learning media are effective in facilitating students’ comprehension of sequences and series material. These findings suggest that such media can be utilized in mathematics instruction to improve learning outcomes. However, further research is needed to evaluate the efficiency of this approach in broader learning contexts and to explore how it can be integrated with other instructional media to enhance students' overall academic performance. The implication of this research is that teachers should consider incorporating digital tools to complement traditional methods in teaching mathematical concepts. Additionally, curriculum developers are encouraged to design interactive and accessible digital content that aligns with students’ learning needs and technological habits.

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