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Al-Jabar : Jurnal Pendidikan Matematika

AL-JABAR
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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 34 Documents

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Search results for , issue "Vol 13, No 1 (2022): Al-Jabar: Jurnal Pendidikan Matematika" : 34 Documents clear

The notions of irreducible ideals of the endomorphism ring on the category of rings and the category of modules Fitriana Hasnani; Meryta Febrilian Fatimah; Nikken Prima Puspita
Al-Jabar: Jurnal Pendidikan Matematika Vol 13, No 1 (2022): Al-Jabar: Jurnal Pendidikan Matematika
Publisher : Universitas Islam Raden Intan Lampung, INDONESIA

Let R commutative ring with multiplicative identity, and M is an R-module. An ideal I of R is irreducible if the intersection of every two ideals of R equals I, then one of them is I itself. Module theory is also known as an irreducible submodule, from the concept of an irreducible ideal in the ring. The set of R - module homomorphisms from M to itself is denoted by EndR(M). It is called a module endomorphism M of ring R. The set EndR(M) is also a ring with an addition operation and composition function. This paper showed the sufficient condition of an irreducible ideal on the ring of EndR(R) and EndR(M)

Implementation of geogebra-assisted creative problem-solving model to improve problem solving ability and learning interest students Evie Dwi Handayani; Emah Kusnawati; Nenden Mutiara Sari; Poppy Yaniawati; Muhammad Iskandar Zulkarnaen
Al-Jabar: Jurnal Pendidikan Matematika Vol 13, No 1 (2022): Al-Jabar: Jurnal Pendidikan Matematika
Publisher : Universitas Islam Raden Intan Lampung, INDONESIA

Mathematics aims to make students have good problem-solving skills based on the junior high school curriculum. However, the reality in the field is that more than 50% of students cannot solve problem-solving problems. This study aims to (1) Analyze the differences in the improvement of the problem-solving abilities of students who received learning with the GeoGebra-assisted CPS model and the problem-solving skills of students who received conventional learning in terms of overall and early mathematics ability (superior and low); (2) Analyzing the differences in learning interest of students who received GeoGebra-assisted CPS learning and students who received conventional understanding; (3) Analyzing the correlation between problem-solving abilities and students' interest in education. The research design employed was sequential explanatory with a quasi-experimental method. The Instruments were written tests, questionnaires, observation sheets, and interview guidelines. The data obtained were analyzed using the Mann-Whitney U test, t-test, and correlation test. The results showed that: (1) The improvement of the problem-solving abilities of students who received GeoGebra-assisted CPS learning was better than students who received conventional learning, and there was no difference in the problem-solving abilities of the superior early mathematical ability and low early mathematical ability groups; (2) The learning interest of students who receive GeoGebra-assisted CPS learning is better than students who receive conventional learning; (3) There is no correlation between problem-solving ability and student interest in learning. Creative problem-solving learning models assisted by GeoGebra applications can improve students' mathematical problem-solving skills and interest in learning.

Motivation and learning media: How do they affect mathematics learning outcomes after the covid-19 pandemic? Mitra Pramita; R Ati Sukmawati; Nuruddin Wiranda
Al-Jabar: Jurnal Pendidikan Matematika Vol 13, No 1 (2022): Al-Jabar: Jurnal Pendidikan Matematika
Publisher : Universitas Islam Raden Intan Lampung, INDONESIA

After the pandemic, people began to adjust to the changes during the pandemic. The rapid progress and development of information and technology are now entering the world of education. Information technology has begun to be widely used to support the smooth running of the teaching and learning process, one of which is to support student learning outcomes. This study aimed to determine the differences in student learning outcomes in the control and experimental classes by considering students' learning motivation. This type of research is an experimental study with a 2×2 factorial design. Discrete mathematics learning outcomes for even-semester students in 2021/2022 will be grouped based on learning media (PowerPoint and Kahoot) and student motivation (high and low). To find out the differences in student learning outcomes, a 2-way ANOVA test was carried out using SPSS. The results of this study show significant differences in student learning outcomes between students with high learning motivation and those with low learning motivation. There is no significant difference in learning outcomes between Kahoot learning media and PowerPoint learning media. Then it is known that other factors affect student concentration; namely, an interaction between learning media and learning motivation influences students' learning outcomes. The Kahoot media was proven to make the learning atmosphere more fun during the learning activities. Students were more active in participating in the learning process.

An analysis of item response theory using program R Ali Ali; Edi Istiyono
Al-Jabar: Jurnal Pendidikan Matematika Vol 13, No 1 (2022): Al-Jabar: Jurnal Pendidikan Matematika
Publisher : Universitas Islam Raden Intan Lampung, INDONESIA

The test is one of the instruments used to assess the extent of student understanding in learning. Multiple choice is a type of test commonly used in testing students. In addition to testing students' understanding, the quality of the tests used also needs to be tested. This study aims to determine the characteristics of the national mathematics test items in Baubau in the 2015/2016 academic year and the test information function with the item response theory approach. This research is an ex-post-facto study with a sample size of 574 students using a random sampling technique. Data was collected through documentation and analyzed using the LTM R package program. Findings indicated that there were four items (I1, I2, I4, and I8) for the 1-PL model, six items (I1, I2, I4, I7, I8, and I10) for the 2-PL model, and seven items (I1, I2, I3, I4, I7, I9, and I10) (3-PL) that fit the model (FM). The percentage of good (G) item parameters using R was 90% for (b) (1-PL), 90% (b) and 100% (a) (2-PL), and 90% (b), 10% (a), and 70% (c) (3-PL). The percentage of good quality items in each model for the 1-PL model was 40% or four items, the 2-PL model was 60% or six items, and the 3-PL model was 0%, or none was included in the good quality item category.

An analysis of the difficulty of prospective mathematics teachers on algebraic materials Muhammad Ridlo Yuwono; Santi Widyawati
Al-Jabar: Jurnal Pendidikan Matematika Vol 13, No 1 (2022): Al-Jabar: Jurnal Pendidikan Matematika
Publisher : Universitas Islam Raden Intan Lampung, INDONESIA

Prospective mathematics teachers experience errors in solving straight-line equations, such as using unorthodox methods, answers that conflict with concepts and wrong calculations. This study aimed to analyze the difficulties of prospective mathematics teachers in algebraic material about straight-line equations. This research is descriptive qualitative research with a case study approach. The subjects in this study were students of the 3rd semester of the Mathematics Education Study Program, Widya Dharma University, Klaten, who had taken field analytic geometry courses. The data collection method in this study used the test method and the interview method. This study uses triangulation techniques to obtain valid data. The triangulation technique used is a triangulation method that compares data or information using different methods. The research instrument includes the main instrument, namely the researcher, whose role is to collect research data and auxiliary instruments in tests and interview guidelines. The data obtained from the interviews were analyzed using the analysis model of Miles, Huberman and Saldana, which includes data condensation, data presentation and drawing conclusions. The results of this study are that prospective mathematics teacher have difficulty in: (1) identifying which equations are straight lines and which ones are not, (2) explaining the concept of gradient, (3) proving the statement that two parallel lines have the same gradient, (4) prove the statement that two lines are perpendicular if the two gradients are multiplied the result is -1, (5) prove the formula for the equation of a straight line with a known gradient and a point through which it passes, and (6) prove the equation for a straight line if two are known the point through which. This study concludes that prospective mathematics teachers have difficulty in the material of straight-line equations.

Prospective mathematics teachers’ understanding of proof in mathematics for high school Ade Mirza; Dona Fitriawan; Zubaidah R; Asep Nursangaji
Al-Jabar: Jurnal Pendidikan Matematika Vol 13, No 1 (2022): Al-Jabar: Jurnal Pendidikan Matematika
Publisher : Universitas Islam Raden Intan Lampung, INDONESIA

Changes in the mathematics education curriculum affect the preparation of prospective teachers to learn as well as possible and provide extensive opportunities and experiences regarding mathematical proof in secondary schools, especially those reflecting the nature and role of proof in the field of mathematics. Teachers' ability to respond to this depends on their understanding of proof in a mathematical context. This research examined the understanding of 36 prospective mathematics teachers at Tanjungpura University regarding proof and their ability to prove problems in the context of high school mathematics. The data were collected through a series of interviews focused on their responses to the role of proof and from tests to prove math problems. This research is descriptive-analytical research, which describes the conception of prospective mathematics teachers as knowledgeable in mathematics about proof. However, some view proof as a tool for studying mathematics. This research also found that many of them had a limited view of the nature of proof. They lacked a clear understanding of the subject of demonstrating or explaining the process of proving a mathematical statement.

Investigating the effectiveness of using various mathematics learning media among students with various learning styles Laswadi Laswadi; Nanang Supriadi; Christina Khaidir; Bambang Sri Anggoro
Al-Jabar: Jurnal Pendidikan Matematika Vol 13, No 1 (2022): Al-Jabar: Jurnal Pendidikan Matematika
Publisher : Universitas Islam Raden Intan Lampung, INDONESIA

Appropriate mathematics learning media is one factor determining the success of learning mathematics. Teachers can use various types of media to help students learn mathematics. However, teachers must consider the learning media's suitability with students' characteristics. This study aims to 1) reveal the most effective learning media for visual, auditory, and kinesthetic learning styles; 2) determine the interaction between learning media and learning styles on students' mathematics achievement. Therefore, this study used a 3 × 3 factorial design. The sample in this study was 29 eighth-grade students in junior high school. Researchers used questionnaires and mathematics achievement tests to collect research data to be analyzed quantitatively. The results show that interactive applications are the most effective learning media for students with different learning styles. Besides, there is a significant interaction effect between learning media and learning styles on students' mathematics achievement.

The analysis of junior high school students’ mathematical literacy: Field study in Bandar Lampung Nurhanurawati Nurhanurawati; Caswita Caswita; Haninda Bharata; Widyastuti Widyastuti
Al-Jabar: Jurnal Pendidikan Matematika Vol 13, No 1 (2022): Al-Jabar: Jurnal Pendidikan Matematika
Publisher : Universitas Islam Raden Intan Lampung, INDONESIA

Mathematical literacy is a person's ability to formulate, apply and interpret mathematics in various contexts, including the ability to reason systematically and use concepts, procedures, and facts to describe, explain or predict an event. Therefore, mathematical literacy is essential in everyday life. This article analyzed the mathematical literacy of junior high school students in Bandar Lampung. Data were collected by giving mathematical literacy questions to junior high school students. The data were analyzed descriptive–quantitatively. The research population is 14–15 years junior high school students in Bandar Lampung City. The research sample was selected using a stratified sampling technique to get students from several favorable and unfavorable public and private junior high schools. The research instrument was a test on the mathematical literacy of junior high school students. The results showed that junior high school students in Bandar Lampung were generally able to solve mathematical literacy problems whose information was clearly available, solve problems procedurally, and use basic algorithms, formulas, procedures, or conventions involving integers. However, they have yet to solve problems that involve constraints or make assumptions. They have not been able to select and integrate different representations, including symbolic ones, relate them directly to aspects of real–world situations and have not been able to solve problems related to everyday life that they rarely encounter.

Mathematics teachers’ knowledge of indigenous games in teaching mathematics Michael Tangkur; Michael Johnson Nabie; Clement Ayarebilla Ali
Al-Jabar: Jurnal Pendidikan Matematika Vol 13, No 1 (2022): Al-Jabar: Jurnal Pendidikan Matematika
Publisher : Universitas Islam Raden Intan Lampung, INDONESIA

We explored junior high school teachers' knowledge and the impact of indigenous games in teaching basic mathematical concepts. The researchers employed the qualitative phenomenological design to address the purpose, objectives and research questions. The accessible sampling was used to sample 70 teachers (65 males, 5 females) for phase one of the study. Out of 70 teachers, five (three males and two females) were purposively sampled for the study's second phase. Two instruments, a semi-structured interview guide and an observation checklist were used to collect data. The data was analyzed thematically to reflect the research questions. The findings of both phases revealed that most teachers had adequate knowledge of indigenous games and knew the impact of indigenous games on students’ learning of mathematics. In particular, the observation checklist showed that some teachers still adhered to the traditional approach (a direct teaching method) and required the knowledge of indigenous games to enhance their teaching skills and techniques. Therefore, in-service training, workshops and other continuous professional development should be organized to update teachers' knowledge on the effective use of indigenous games in the teaching and learning of mathematics.

Digital comic learning media based on character values on students’ critical thinking in solving mathematical problems in terms of learning styles Rani Darmayanti; Rahmad Sugianto; Baiduri Baiduri; Choirudin Choirudin; Wawan Wawan
Al-Jabar: Jurnal Pendidikan Matematika Vol 13, No 1 (2022): Al-Jabar: Jurnal Pendidikan Matematika
Publisher : Universitas Islam Raden Intan Lampung, INDONESIA

To prepare students to compete in 21st-century skills, the Ministry of Education and Culture of the Republic of Indonesia integrates character education into school subjects. However, as a medium, comics do not contain the level of character values, exploration, and critical thinking skills in problem-solving on geometry material. Therefore, the aim of this study is to produce digital media based on character values on mathematical critical thinking skills in solving problems related to learning styles for eighth-grade students. This development research employed the 4-D method (Define, Design, Develop, and Disseminate). The study indicates that the digital comic learning media is valid with a total average score of 3.60 based on the material expert’s validation and 3.50 based on the media expert’s validation. The eight-grade students' responses were positive (92%) based on the trials. The learning outcomes in terms of kinesthetic, auditory, and visual learning styles used in this study can all meet all indicators of mathematical problem-solving.

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