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Al-Jabar : Jurnal Pendidikan Matematika
Published by Universitas Islam Negeri Raden Intan Lampung
ISSN : -     EISSN : 25407562     DOI : 10.24042
Core Subject : Education,
Education Mathematics
Al-Jabar : Jurnal Pendidikan Matematika, with registered number p-ISSN: 2086-5872 (print), e-ISSN: 2540-7562 (online), is a scientific journal published by Mathematics Education IAIN Raden Intan Lampung. The aim of this journal publication is to disseminate new theories and research results that have been achieved in the area of mathematics education. Al-Jabar: Jurnal Pendidikan Matematika, particularly focuses on the main issues in the development of the sciences of mathematics education, mathematics education, and applied mathematics. Al-Jabar, has been published since 2010, and starting from 2015, has been published online. Al-Jabar: Jurnal Pendidikan Matematika published twice a year, the period from January to June and July to December. This publication is available online via open access.
Arjuna Subject : -
Articles 374 Documents
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Evaluating the M6 learning model and realistic mathematics education (RME) approach in enhancing critical thinking skills in mathematics: A focus on students’ logical-mathematical intelligence Susandi, Ardi Dwi; Sudirman, Sudirman; Khoiriyah, Binti
Al-Jabar: Jurnal Pendidikan Matematika Vol 15 No 2 (2024): Al-Jabar: Jurnal Pendidikan Matematika
Publisher : Universitas Islam Raden Intan Lampung, INDONESIA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24042/ajpm.v15i2.22973

Abstract

Background: Critical thinking skills are essential in the 21st century; however, Indonesian students often show low critical thinking abilities in mathematics. This issue arises partly from limited use of instructional methods that foster critical thinking among junior high school students.Aim: This study aims to assess the effectiveness of the M6 learning model and Realistic Mathematics Education (RME) in enhancing students' critical thinking abilities in mathematics, considering their levels of logical-mathematical intelligence.Method: A quasi-experimental design was employed with a sample of 318 seventh-grade students from State Middle Schools in Cirebon Regency in the 2023/2024 academic year. Stratified cluster random sampling produced three groups: 107 students in the first experimental group, 105 in the second, and 106 in the control group. Instruments included a critical mathematical thinking skills test and a logical-mathematical intelligence test, with hypothesis testing conducted using two-way analysis of variance with unequal cells.Results: The analysis revealed significant differences in students' critical thinking abilities based on the learning model and logical-mathematical intelligence levels, with notable interactions between these variables.Conclusion: The study concludes that the M6 and RME learning models influence critical mathematical thinking skills differently across logical-mathematical intelligence categories. These findings underscore the importance of aligning instructional models with students' intelligence profiles to optimize learning outcomes in critical thinking.
Analysis of E-SPT and E-filing utilization on taxpayer compliance: A multiple regression approach Rinaldi, Achi; Devi, Yulistia; Salih, Dana Taha Mohammed
Al-Jabar: Jurnal Pendidikan Matematika Vol 15 No 1 (2024): Al-Jabar: Jurnal Pendidikan Matematika
Publisher : Universitas Islam Raden Intan Lampung, INDONESIA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24042/ajpm.v15i1.23060

Abstract

Background: Statistical data from Lampung Province indicate a steady annual increase in the number of taxpayers utilizing e-SPT (electronic tax return) and e-filing, particularly from 2019 to 2022.Aim: This study aims to analyze the effect of e-SPT usage on taxpayer compliance, investigate the impact of e-filing on taxpayer compliance, assess the combined effects of e-SPT and e-filing on taxpayer compliance, and understand taxpayer compliance within the framework of Islamic Economics.Method: Taxpayers from the Bandar Lampung Tax Office (KPP) were selected as respondents. A random sampling technique was employed to gather data from 100 participants. The data were analyzed using multiple linear regression analysis with SPSS.Results: The findings reveal that the convenience, effectiveness, and satisfaction derived from using e-SPT and e-filing, along with an analysis of Annual Tax Returns, significantly influence taxpayer compliance. The use of e-SPT alone has a notable impact on compliance, as does the use of e-filing. Furthermore, the combined usage of e-SPT and e-filing has a significant collective impact on taxpayer compliance.Conclusion: The study concludes that both e-SPT and e-filing are critical in enhancing taxpayer compliance, with their combined application having a more substantial effect. These findings also offer insights into taxpayer compliance from the perspective of Islamic Economics, emphasizing the role of modern tax administration tools in promoting compliance.
Development of a rigorous mathematical thinking-based textbook in the house of worship context to enhance conceptual understanding Syafri, Fatrima Santri; Susanta, Agus; Koto, Irwan
Al-Jabar: Jurnal Pendidikan Matematika Vol 15 No 2 (2024): Al-Jabar: Jurnal Pendidikan Matematika
Publisher : Universitas Islam Raden Intan Lampung, INDONESIA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24042/ajpm.v15i2.23290

Abstract

Background: This research develops a foundational mathematics textbook for PGMI students based on the Rigorous Mathematical Thinking (RMT) framework, contextualized within houses of worship to foster deeper understanding of mathematical concepts.Aim: The study aims to design and evaluate the feasibility and effectiveness of the textbook while gauging students’ responses and performance improvements.Method: Using a research and development (R&D) model, this study validated the textbook through expert reviews and tested its practicality and effectiveness in small-scale and broader applications. Data were obtained through a combination of observations, interviews, surveys, and tests measuring students' conceptual comprehension. Statistical evaluations, including descriptive analysis and t-tests, were employed.Results: The textbook received validation from subject matter, presentation, and language experts, who confirmed its content and structural accuracy. Trial phases categorized the textbook as highly practical, while broader field testing indicated that students using the textbook demonstrated significantly greater improvement in conceptual understanding compared to those without it.Conclusion: The RMT-based textbook aligns with its intended objectives and provides a contextually appropriate tool for improving mathematical comprehension. These findings highlight its potential as an effective resource for mathematics learning in PGMI contexts.
Integrating problem-based learning in e-lkpd: Enhancing problem-solving ability and adversity quotients Rani, Thitra Padma; Sutiarso, Sugeng; Firdaus, Rangga
Al-Jabar: Jurnal Pendidikan Matematika Vol 15 No 2 (2024): Al-Jabar: Jurnal Pendidikan Matematika
Publisher : Universitas Islam Raden Intan Lampung, INDONESIA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24042/ajpm.v15i2.23302

Abstract

Background: Students' mathematical problem-solving ability and adversity quotient remain low, particularly in learning environments that lack contextual approaches. Problem-based learning (PBL) has proven effective in improving these skills, especially when supported by interactive technology such as E-LKPD.Aim: This study aims to develop a PBL-based E-LKPD that is valid, practical, and effective in enhancing students' problem-solving abilities and AQ.Method: The research employed the ADDIE development model with eighth-grade students from SMP Negeri in Banjar Baru as the subjects. The practicality sample consisted of 6 students selected through purposive sampling, while the effectiveness sample included 60 students selected through random sampling. Data were collected through observations, interviews, questionnaires, and problem-solving tests, then analyzed using descriptive statistics and t-tests.Result: PBL-based E-LKPD was deemed valid, with an average score of 87% from content experts and 85% from media experts. Its practicality was rated as excellent, with scores of 91% from both students and educators. An Independent Sample t-test on N-gain data indicated that the E-LKPD effectively improved students' mathematical problem-solving abilities and AQ (??? = 0.00 < ? = 0.05).Conclusion: The PBL-based E-LKPD has been proven valid, practical, and effective in enhancing students' mathematical problem-solving abilities and adversity quotient, making it a viable and innovative alternative in the learning process.
Development of blended learning media on similarity and congruence topics Ismet, Ismet; Yerizon, Yerizon; Fauzan, Ahmad; Asmar, Ali
Al-Jabar: Jurnal Pendidikan Matematika Vol 15 No 2 (2024): Al-Jabar: Jurnal Pendidikan Matematika
Publisher : Universitas Islam Raden Intan Lampung, INDONESIA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24042/ajpm.v15i2.23484

Abstract

Background:  The integration of technology in education has become increasingly important in enhancing student engagement. Mathematics, as a foundational subject, often requires innovative approaches to improve students' problem-solving skills and conceptual understanding. Blended learning combines traditional and digital methods, offering a flexible and effective solution for teaching complex mathematical topics.Aim: This research aims to develop valid, practical, and effective learning media for teaching the topics of similarity and congruence, enabling students to better understand these mathematical concepts. The media is designed based on the Blended Learning approach.Method: The development process follows the Plomp model, which consists of three stages: (1) the initial investigation stage to identify needs and context, (2) the product development stage where the media is designed and refined, and (3) the assessment stage to evaluate its validity, practicality, and effectiveness.Results: The developed learning media was validated with a validity score of 86.99, categorized as very valid. It also achieved a practicality score of 87.01, indicating it is very practical, and an effectiveness score of 83.33, categorized as effective.Conclusion: Blended Learning-based media for teaching similarity and congruence is a valid, practical, and effective tool that can enhance students' understanding of the topics.
Leveraging the Anuj transform: A novel approach to modeling population dynamics in interdisciplinary sciences Hilmi, Hozan; Jalil, Shabaz; Rahman, Hiwa Hussein; Faraj, Bawar Mohammed
Al-Jabar: Jurnal Pendidikan Matematika Vol 15 No 2 (2024): Al-Jabar: Jurnal Pendidikan Matematika
Publisher : Universitas Islam Raden Intan Lampung, INDONESIA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24042/ajpm.v15i2.23494

Abstract

This study introduces the Anuj transform as an innovative tool for addressing population growth and decay problems. By applying the Anuj transform, we demonstrate its efficacy and practical value in solving these complex issues. The paper presents several applications that highlight the transformative potential of the Anuj transform in modeling population dynamics. The results underscore the utility of this method, providing clear solutions without extensive calculations.
Developing of Doing Proof for School Mathematics through Teaching and Learning Rif’at, Mohamad; Sudiansyah, Sudiansyah; Peterianus, Septian
Al-Jabar: Jurnal Pendidikan Matematika Vol 13 No 2 (2022): Al-Jabar: Jurnal Pendidikan Matematika
Publisher : Universitas Islam Raden Intan Lampung, INDONESIA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24042/ajpm.v13i2.23566

Abstract

The word and the etymological sense are two hints about effective use of language, about exploration techniques, and about developing representation of information. For example, the length and width of a rectangle are not about position, but a measurement or a quantity concept. Based on the example, an area problem which given a picture and the measurements is not mathematics problem. That is a language trajectory of representations or a problem of the etymological sense. When asked to find the perimeter of rectangle, but the two quantities are whole numbers and neither is divisible by 6, then, that is mathematics trajectory. However, if the area known, say 36 squares of a measure unit, then problem of getting the perimeter is to test or to check. That is also a kind of the etymological sense of meaning
Algebraic and Visual Representation in Solving Mathematics Problems Based on Empirical Thinking Rif’at, Mohamad; Sudiansyah, Sudiansyah; Peterianus, Septian
Al-Jabar: Jurnal Pendidikan Matematika Vol 12 No 2 (2021): Al-Jabar: Jurnal Pendidikan Matematika
Publisher : Universitas Islam Raden Intan Lampung, INDONESIA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24042/ajpm.v12i2.23567

Abstract

The researcher investigated and explored a solution of non-directed or no hint of mathematics problems presented visually or algebraic, and to embed the empirical verification thinking. The tip is a way to solve, so the students can answer the questions based on their state of mind by observing their trajectories of thinking from the steps of the solution. That is conducted at the Mathematics Education Department of Tanjungpura University at West Borneo of Indonesia for two semesters. The problems are from Researcher Repertoire, test item of Teacher Profession Education of National Indonesia, and Flanders Mathematics Olympiad. Before the issues given to the students, the construct validity has calculated from intake participants using Cramer’ Test with C coefficient is equal to 0.83. We analyze the students’ empirical verification thinking of their solutions. The analysis is about the trend of the thinking, model of representation, and completeness of the logical steps. The results are: the pattern of thinking tends to linear model or of meta-pattern, the description tends to be non-linear or varies of the solution, and the logical steps tend to be a non-recognizable form of thinking. In general, the more visual representations, the less thinking models of the representations; the answers based on algebraic thinking; the visual illustrations are limited, where the algebraic without any manipulation and not need any hint; and the visual images used are part of it in solving the problems and no manipulation.
Exploring the relationship between problem-solving ability and mathematical disposition in 10-11 year’s old students using model-eliciting activities Wahyuningrum, Endang; Bonyah, Ebenezer; Yumiati, Yumiati; Kartono, Kartono; Wijayanti, Nina
Al-Jabar: Jurnal Pendidikan Matematika Vol 15 No 2 (2024): Al-Jabar: Jurnal Pendidikan Matematika
Publisher : Universitas Islam Raden Intan Lampung, INDONESIA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24042/ajpm.v15i2.23765

Abstract

Background: Problem-solving ability and mathematical disposition are essential skills in mathematics education, particularly in developing critical thinking and practical application among students. Model-Eliciting Activities (MEAs) have been introduced as an instructional approach aimed at enhancing these skills by integrating real-world problems into learning. However, the effectiveness of MEAs in establishing a significant relationship between problem-solving ability and mathematical disposition remains unclear, necessitating further investigation.Aim: This study aims to analyze the association between problem-solving ability and mathematical disposition after implementing Model-Eliciting Activities (MEAs) in instruction.Method: This study employed a quantitative design with a cross-sectional approach, involving 30 fifth-grade students from SDN 02 Bojongsari, Depok, Indonesia, as participants. Data were collected using a problem-solving ability test and a mathematical disposition questionnaire. Subsequently, the data analysis was carried out using chi-square tests.Result: The results of the study showed that the χ2 value of 0.731 is less than α = 0.947, indicating that there is no significant relationship between mathematical problem-solving ability and mathematical disposition.Conclusion: The study concluded that no association was found between problem-solving ability and mathematical disposition among elementary school students after implementing MEAs in instruction. Additionally, although there is a tendency for students with a high mathematical disposition to demonstrate stronger problem-solving skills, this correlation is not strong enough to be considered significant
Problem-based learning in improving critical mathematical thinking skills: Independent curriculum teaching module Juniati, Helmira; Jamaan, Elita Zusti
Al-Jabar: Jurnal Pendidikan Matematika Vol 15 No 2 (2024): Al-Jabar: Jurnal Pendidikan Matematika
Publisher : Universitas Islam Raden Intan Lampung, INDONESIA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24042/ajpm.v15i2.23788

Abstract

Background: Students' limited abilities in critical mathematical thinking present a persistent obstacle in mathematics education. To address this issue, this study focuses on developing a teaching module aligned with the Independent Curriculum, incorporating the Problem-Based Learning (PBL) approach.Aim: This research aims to design and validate a teaching module tailored to enhance students' critical thinking skills in solving mathematical problems.Method: Employing the Plomp development model, the study was conducted through three phases: preliminary analysis, development or prototyping, and evaluation. Data collection involved expert validation, with analysis performed using a validity index.Result: The independent curriculum teaching module received an average validity score of 3.57, categorized as highly valid, confirming its feasibility and alignment with instructional criteria.Conclusion: The findings demonstrate that the developed module fulfills all validity criteria, making it suitable for use in mathematics education to support the development of critical thinking skills. Further studies are encouraged to investigate its influence on students' learning outcomes.

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