Al-Jabar : Jurnal Pendidikan Matematika
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.
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<![CDATA[Web-based learning media assisted by powtoon in basic mathematics course ]]>
<![CDATA[Vera Dewi Susanti]]>;
<![CDATA[Tri Andari]]>;
<![CDATA[Angga Harenza]]>
<![CDATA[ Al-Jabar: Jurnal Pendidikan Matematika Vol 11, No 1 (2020): Al-Jabar: Jurnal Pendidikan Matematika ]]>
Publisher : <![CDATA[Universitas Islam Raden Intan Lampung, INDONESIA ]]>
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DOI: 10.24042/ajpm.v11i1.5308
<![CDATA[In basic mathematics learning, lecturers used an LCD projector and taught it classically so that learning becomes uninteresting. Consequently, students become less enthusiastic and less interested. In overcoming this, one of the ways is to make Powtoon-assisted material and it will be even more interesting if the material is presented using the web. By utilizing the web, the material can be accessed anytime and anywhere. This development research employed a 4D development model up to the third stage, namely define, design, and develop. Research subjects were divided into 2 types namely, limited trial subjects and field trial subjects. The research instruments used were learning media validation sheets, student response questionnaires, and tests. The results of this study are (1) the developed learning media obtained the validity criteria of 82.00%. (2) The developed learning media obtained the practical aspects of 82.22% and for the field trials of 82.50% (3). The developed learning media obtained the effectiveness criteria in the limited trial of 83.33% and the field trial of 87.50%. Based on these results, it can be concluded that the learning media developed by researchers are appropriate for use in learning. ]]>
<![CDATA[The Use of Monte Carlo Method to Model the Aggregate Loss Distribution ]]>
<![CDATA[Rafika Septiany]]>;
<![CDATA[Berlian Setiawaty]]>;
<![CDATA[I Gusti Putu Purnaba]]>
<![CDATA[ Al-Jabar: Jurnal Pendidikan Matematika Vol 11, No 1 (2020): Al-Jabar: Jurnal Pendidikan Matematika ]]>
Publisher : <![CDATA[Universitas Islam Raden Intan Lampung, INDONESIA ]]>
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DOI: 10.24042/ajpm.v11i1.6599
<![CDATA[Based on Law Number 24 of 2011, a state program was established to provide social protection and welfare for everyone, one of which is health insurance by the Social Insurance Administration Organization (BPJS). In its implementation, several important evaluations are needed. One that requires accurate evaluation is claim frequency and claim severity in determining premiums and reserved funds. This thesis provides one form of a method for selecting the distribution of claim frequency and claim severity. The data used in this study was taken from BPJS Health in the City of Tangerang in 2017. The distribution of opportunities chosen had been adjusted to the participant's claim data and parameter estimated using the Maximum Likelihood Estimation method. The chi-square test was used to check the goodness of fit for claim frequency distributions whereas the Anderson Darling tests were applied to claim severity distributions. The results of the chi-square test and the Anderson-Darling test showed that the model that matched the claim frequency distribution was the Z12M–NBGE distribution while the model that matched the claim severity was lognormal. The Z12M–NBGE distribution and the lognormal formed the aggregate loss distribution using the Monte Carlo method. Furthermore, the simulation results were obtained to the measurement of the Value in Risk (VaR) and Shortfall Expectations (ES). So, the Monte Carlo method is simple to implement the aggregate loss distributions and can easily handle various risks with dependency. ]]>
<![CDATA[Problem Based Learning with a Scientific Approach with Character in Mathematics Learning ]]>
<![CDATA[Ahmat Wakit]]>;
<![CDATA[R. Hadapiningradja Kusumodestoni]]>
<![CDATA[ Al-Jabar: Jurnal Pendidikan Matematika Vol 11, No 1 (2020): Al-Jabar: Jurnal Pendidikan Matematika ]]>
Publisher : <![CDATA[Universitas Islam Raden Intan Lampung, INDONESIA ]]>
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DOI: 10.24042/ajpm.v11i1.6411
<![CDATA[The studied aims to determined the characteristics of the development of learned devices with the problem-based learned model with a scientific approached which container the character in math subject. The research method used is a development research. Development is carried out with the preparation of valid, practical and effective tools. The learned tools developed were syllabus, (RPP) Learning Implementation Plans, (LKS) Student Worksheets, Student Books, and TKPM (Problem Solving Ability Tests). After the learned device valid then tested, the experiment was carried out by observed the learned process, process skills, students' character, at the end of the learned process did by TKPM and filled in the student response questionnaire. Data were analyzed to determined the practicality and effectiveness of the used of learned devices. The results showed: (1) the average score of the learned device validation results was 4.37 in the very good category so the devices developed were valid; (2) the application of practical learned tools because the average score of the teacher's ability to manage to learned is 3.98 in the good category and the average score of 4.36 student respons is in the very good category; (3) the application of effective learned devices because TKPM has achieved classical completed, the average TKPM experimental class better than the control class, the proportion of completed TKPM students experiment better than control class students, there is a positive influence was students' process and attitude skills towards TKPM, there is an increase in mathematical problem-solved abilities. ]]>
<![CDATA[Extended F-Expansion Method for Solving the modified Korteweg-de Vries (mKdV) Equation ]]>
<![CDATA[Vina Apriliani]]>;
<![CDATA[Ikhsan Maulidi]]>;
<![CDATA[Budi Azhari]]>
<![CDATA[ Al-Jabar: Jurnal Pendidikan Matematika Vol 11, No 1 (2020): Al-Jabar: Jurnal Pendidikan Matematika ]]>
Publisher : <![CDATA[Universitas Islam Raden Intan Lampung, INDONESIA ]]>
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DOI: 10.24042/ajpm.v11i1.5153
<![CDATA[One of the phenomenon in marine science that is often encountered is the phenomenon of water waves. Waves that occur below the surface of seawater are called internal waves. One of the mathematical models that can represent solitary internal waves is the modified Korteweg-de Vries (mKdV) equation. Many methods can be used to construct the solution of the mKdV wave equation, one of which is the extended F-expansion method. The purpose of this study is to determine the solution of the mKdV wave equation using the extended F-expansion method. The result of solving the mKdV wave equation is the exact solutions. The exact solutions of the mKdV wave equation are expressed in the Jacobi elliptic functions, trigonometric functions, and hyperbolic functions. From this research, it is expected to be able to add insight and knowledge about the implementation of the innovative methods for solving wave equations. ]]>
<![CDATA[Climber Prospective Teacher: Relationship Beliefs and Mathematics Teaching Practice ]]>
<![CDATA[Muhtarom Muhtarom]]>;
<![CDATA[Tatag Yuli Eko Siswono]]>;
<![CDATA[Dwi Juniati]]>
<![CDATA[ Al-Jabar: Jurnal Pendidikan Matematika Vol 11, No 1 (2020): Al-Jabar: Jurnal Pendidikan Matematika ]]>
Publisher : <![CDATA[Universitas Islam Raden Intan Lampung, INDONESIA ]]>
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DOI: 10.24042/ajpm.v11i1.6103
<![CDATA[This research explained the description of the beliefs of prospective teacher who had an adversity quotient type climber and the relationship between beliefs and mathematics teaching practices in the classroom. One student of climber prospective teacher who had taken an internship course and had good communication skill was willing to become a research subject. Semi-structured interview and observation of learning in class were used to obtain the research data. The data that had been obtained were coded, reduced, presented, triangulated to obtain credible data, and then conclusions were drawn. The results show that the climber math prospective teacher believes that mathematics is as something dynamic, namely the space of creation, human invention that develops continuously. Teaching mathematics is student-centered through problem providing or problem solving, and learning is as a construction of student’s active understanding to build knowledge. A more detailed explanation of beliefs description and the relationship with the mathematics teaching practice is described in this research. ]]>
<![CDATA[Kahoot-Based Learning Game to Improve Mathematics Learning Motivation of Elementary School Students ]]>
<![CDATA[Adi Setiawan]]>;
<![CDATA[Soeharto Soeharto]]>
<![CDATA[ Al-Jabar: Jurnal Pendidikan Matematika Vol 11, No 1 (2020): Al-Jabar: Jurnal Pendidikan Matematika ]]>
Publisher : <![CDATA[Universitas Islam Raden Intan Lampung, INDONESIA ]]>
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DOI: 10.24042/ajpm.v11i1.5833
<![CDATA[Mathematics is an important lesson for elementary school students. However, mathematics is usually identified as difficult, unenjoyable and boring. Teachers need to motivate the students that mathematics can be fun. One media that could be used is Kahoot. This study aimed to apply Kahoot-based learning games. To improve mathematics learning motivation for the fourth-grade elementary school students. This study is classroom action research (CAR). It was carried out in two learning cycles using the Kemmis and Taggart model. The subjects of this study were the fourth-grade elementary school students in the second semester of the 2018/2019 academic year consisted of 28 students. The research data were obtained through interviews, mathematics learning achievement tests, learning observation sheets, and field notes. Data analysis was carried out qualitatively and supplemented by quantitative analysis. The results showed that students' mathematics learning motivation could be improved through Kahoot-based learning games. Students’ test results showed an increase in learning motivation by 19.85 or 44.55%. The results of this study provide information for teachers, schools, and researchers to improve students’ learning motivation through Kahoot-based learning game. ]]>
<![CDATA[Relationship between Cooperative learning method and Students’ Mathematics Learning Achievement: A Meta-Analysis Correlation ]]>
<![CDATA[Dafid Slamet Setiana]]>;
<![CDATA[La Ili]]>;
<![CDATA[Muhammad Irfan Rumasoreng]]>;
<![CDATA[Anggit Prabowo]]>
<![CDATA[ Al-Jabar: Jurnal Pendidikan Matematika Vol 11, No 1 (2020): Al-Jabar: Jurnal Pendidikan Matematika ]]>
Publisher : <![CDATA[Universitas Islam Raden Intan Lampung, INDONESIA ]]>
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DOI: 10.24042/ajpm.v11i1.6620
<![CDATA[An appropriate learning method can improve students’ learning achievement. The cooperative learning method encourages students to improve their mathematics learning achievement. Mathematics learning achievement is one indicator of achieving learning objectives. Mathematics is an important lesson to be learned and must be mastered by students. The purpose of this research was to analyze the effect size of the relationship between Cooperative learning method and mathematics learning achievement through meta-analysis quantitative research approach. In this research, the cooperative learning method serves as an independent variable, and mathematics learning achievement serves as the dependent variable. The data was obtained from the online database search results on Google Scholar in 2010-2020. The sample used was 16 research publications that have met the specified criteria. The data analysis technique used was the meta-analysis quantitative approach with correlation meta-analysis. The results showed that there was a positive and significant relationship (level of 5%) between the cooperative learning method and students’ mathematics learning achievement. The average effect size value was 0.15 in the range of 0.04 to 0.27 which was included in the low category. These results have proven the consistency of the findings of previous research. ]]>
<![CDATA[Students’ mental construction in cube and cuboid concepts based on mathematical ability differences ]]>
<![CDATA[Imam Rofiki]]>;
<![CDATA[Ahmad Choirul Anam]]>;
<![CDATA[Putri Eka Sari]]>;
<![CDATA[Wahyu Henky Irawan]]>;
<![CDATA[Ika Santia]]>
<![CDATA[ Al-Jabar: Jurnal Pendidikan Matematika Vol 11, No 1 (2020): Al-Jabar: Jurnal Pendidikan Matematika ]]>
Publisher : <![CDATA[Universitas Islam Raden Intan Lampung, INDONESIA ]]>
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DOI: 10.24042/ajpm.v11i1.5946
<![CDATA[Understanding of cube and cuboid concepts is one of the essential goals of solid geometry learning. Most studies of students’ understanding of these concepts have posited a gap between the students’ surface area and volume conceptions of its and students’ understanding. The study aims to describe the students’ mental constructions in APOS (Action, Process, Object, and Schema) theory framework. This study used analysis of students as subject to three junior high school students who have differences in mathematical abilities with a qualitative approach. Data were collected by the task sheet and interview. The result of this study evidences that subject who has high mathematical ability could solve problems about cube and cuboid concepts correctly in the action stage. In the process and object stage, subject could provide detailed explanations of how steps to assess the surface area and volume of cube and cuboid. She compared two shapes with different sizes of cube and cuboid. In the schema stage, she made systematic understanding related to the concepts of surface area and volume of cube and cuboid. The subject who has medium mathematical ability explained her mental construction in action and process stage well, despite the error in the process stage. Next stage, she had compared two different shapes of cube and cuboid to found their ratio. The last stage, she had not completed her explanation. The subject has low mathematical ability could solve the problems about cube and cuboid concepts. At the process, object, and schema stage, she had not completed its indicators to show cube and cuboid concepts.]]>
<![CDATA[Developing Islamic Context-Based Learning Materials in Increasing Students’ Mathematical Understanding ]]>
<![CDATA[Maria Ulpah]]>;
<![CDATA[Ifada Novikasari]]>
<![CDATA[ Al-Jabar: Jurnal Pendidikan Matematika Vol 11, No 1 (2020): Al-Jabar: Jurnal Pendidikan Matematika ]]>
Publisher : <![CDATA[Universitas Islam Raden Intan Lampung, INDONESIA ]]>
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DOI: 10.24042/ajpm.v11i1.5432
<![CDATA[Learning material is an important part of the implementation of learning, so teachers should be able to design, arrange, and develop their learning material. There are a lot of mathematics learning materials on the market but they are still rarely integrated with Islamic studies. Therefore, the purpose of this study is to develop Islamic context-based learning material to increase students' mathematical understanding. This study is research and development using the PPE model which consists of three stages, namely planning, production, and evaluation. The data collecting techniques used are tested to find out the students' mathematical understanding and questionnaire to find out expert's assessment. The data is analyzed quantitatively using descriptive data analysis techniques. The data obtained from the questionnaire is quantified to get results in the form of percentages to find out the results of the questionnaire from the validation of the learning material experts. The results showed that Islamic context-based learning material has fulfilled the requirements to be considered feasible to be used in the learning process and is feasible to be used as learning support to increase students' mathematical understanding. ]]>
