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Jurnal Gantang
Published by Universitas Maritim Raja Ali Haji
ISSN : 25030671     EISSN : 25485547     DOI : https://doi.org/10.31629/jg
Core Subject : Education,
Education Mathematics
Jurnal Gantang is a peer-reviewed journal. Jurnal Gantang is published two numbers per year by Raja Ali Haji Maritime University, Tanjungpinang, Riau Islands, Indonesia. The articles written for Jurnal Gantang are state-of-the-art research articles in the field of Mathematics Education. Starting in 2022, Jurnal Gantang will be published in May and November twice a year. Jurnal Gantang publishes scientific writings on the results of thoughts, very carefully selected literature studies, and research in the field of Mathematics Education. Jurnal Gantang is a journal with a blind review system that is an essential aspect of disseminating knowledge. The realization of a scientific approach can be supported by writing the results of a blind review. Jurnal Gantang accommodates the results of studies and research in the fields of Mathematics Education with various research frames such as Research development/R&D Classroom action research Educational Design Research Experiment with different types Qualitative Studies (Investigative, Analytical, Descriptive Studies, and the like) Ethnographic studies Literature/Library Studies Other research with a quantitative approach The topics raised can be: Learning innovation and the use of ICT in supporting the learning process Mathematics Learning Context and Media Innovation Strategies and Approaches to Learning Mathematics Mathematical Literacy and Numeracy Indonesian Realistic Mathematics Education (IRME) Ethnomathematics Misconceptions in Mathematical Topics Mathematics Learning Based on Cultural Potential and Local Wisdom Enrichment of Mathematics Teaching Materials Mathematics Learning Evaluation Mathematics Education Curriculum and Policy Learning Mathematics in College Development of Science and Technology in Mathematics STEM, STEAM, and Lesson Study And others
Arjuna Subject : Ilmu Sosial - Pendidikan
Articles 9 Documents
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Search results for , issue "Vol 8 No 1 (2023): Jurnal Gantang" : 9 Documents clear
Interactive PowerPoint Media Based on Problem-Based Learning on Set Material Indah Feliya Santika; Nur Izzati
Jurnal Gantang Vol 8 No 1 (2023): Jurnal Gantang
Publisher : Universitas Maritim Raja Ali Haji

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31629/jg.v8i1.5326

Abstract

The use of learning media will have an impact on increasing the motivation of students. However, the media is not the only factor determining the success of achieving learning outcomes. Learning strategies such as approaches, methods, and models will affect the success of Learning. This study aims to develop interactive PowerPoint media that utilizes problem-based Learning on the set material. This Research and Development study follows the Alessi & Trolip development model with planning, design, and development steps. At the development stage, this study only reached the alpha test stage to check media validity. Data was collected by testing the validity of the material, language, and media experts, which was carried out with the help of mathematics education lecturers and mathematics teachers at junior high schools. Data processing techniques use MSR (method of summated ratings). The validity test results by material and language experts obtained a value of 90.81%, with a very good category. It indicates that the material and language aspects of media are valid. Moreover, the media aspect validity test results in a value of 74.02%, with a good category indicating that the media is valid.
Triangel Concept Learning Design Using Palembang Cultural for Class VII Students Ica Ramadona; Riza Agustiani; Atika Zahra; Agustiani Dumeva Putri
Jurnal Gantang Vol 8 No 1 (2023): Jurnal Gantang
Publisher : Universitas Maritim Raja Ali Haji

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31629/jg.v8i1.5588

Abstract

The triangle is still a topic worth discussing because many pupils still want assistance in comprehending the notion of triangles as a whole. The research aims to produce a triangular concept learning design using the Palembang cultural context for VII grade students with augmented reality technology. The research subjects comprised 19 students from Class VII of Al-Azhar 33 Islamic Middle School in Palembang. The method used is design research, divided into preparing for the experiment, and design experiment, divided into two cycles, namely pilot experiments and teaching experiments, and finally, retrospective analysis. The data in this research was collected by observation, interview, documentation, and test. The instruments used in this research are video and field notes for observation and interview, LAS for documentation, and post-test for test. The data analysis technique is descriptive qualitative. The final result of this study is Local Instruction Theory (LIT) which contains the learning process in 4 activities, namely describing the triangles of the Musi 6 Bridge, identifying the properties of triangles based on side lengths, identifying the properties of triangles based on the size of the angles and solving problems related to the properties of triangles based on the length of the sides and the size of the angles. The results show that the cultural defined context can be used as a reference point in triangle material in class VII SMP.
Mathematics PISA Problems Using Local Context for Elementary School Students Agus Susanta; Irwan Koto; Edi Susanto
Jurnal Gantang Vol 8 No 1 (2023): Jurnal Gantang
Publisher : Universitas Maritim Raja Ali Haji

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31629/jg.v8i1.5604

Abstract

Referring to the results of an international survey, one of which is PISA, the achievements of Indonesian students are still below the global average score. The main problem that is the causative factor is that students need to be used to solving similar problems. The issues used in PISA questions are familiar to only some students in Indonesia. This study aimed to develop PISA model mathematical problems with valid and reliable local contexts and potential impacts. The type of research conducted is development research using the ADDIE model with the stages of analysis, design, development, and evaluation. The test subjects were fifth-grade elementary school students in Bengkulu and South Sumatra provinces. The research instruments were product development validity sheets, legibility sheets, and student response questionnaires. Data analysis consisted of validity analysis using the Aiken Index and reliability with Cronbach Alpha. The study results show that PISA model mathematical questions with the regional context meet the validity, reliability, and potential impact criteria. The results of the implementation test showed that 11 students (27.50%) were in the low category, 32 students (55.00%), and 7 students (17.50%) were in the high category.
Enhancing Problem-Solving Skills in Mathematics: Applying LDMAT and SRL for Students with Learning Difficulties Heru Kurniawan; Nila Kurniasih; Dita Yuzianah
Jurnal Gantang Vol 8 No 1 (2023): Jurnal Gantang
Publisher : Universitas Maritim Raja Ali Haji

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31629/jg.v8i1.5647

Abstract

This study examines the effectiveness of the LDMAT and SRL models in improving problem-solving skills in students with learning difficulties in mathematics. The research involved 18 junior high school students and employed a mixed research design. The assessment of problem-solving skills was conducted through pre-test and post-test measurements, consisting of 10 essay-based tests and weekly assignments. Furthermore, problem-solving understanding was assessed based on the strategies utilized by students in the post-test. Data analysis involved using paired t-tests to compare pre-test and post-test results. The findings indicate that applying the LDMAT and SRL models significantly enhanced problem-solving skills in students with learning difficulties in mathematics, particularly among female students. Moreover, the students exhibited an improved understanding of problem-solving procedures. This study underscores the efficacy of the LDMAT and SRL models in enhancing problem-solving abilities and promoting deeper comprehension of problem-solving strategies among students with learning difficulties in mathematics.
Kemampuan Penalaran Matematis Siswa SMA Dalam Menyelesaikan Masalah Tiga Dimensi Yodiatmana Yodiatmana; Atma Murni; Nahor Murani Hutapea
Jurnal Gantang Vol 8 No 1 (2023): Jurnal Gantang
Publisher : Universitas Maritim Raja Ali Haji

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31629/jg.v8i1.5651

Abstract

The purpose of this study was to describe students' high initial ability, moderate initial ability, and low initial ability mathematical reasoning abilities. The reality in the field shows that students' mathematical reasoning skills in 3D materials are still low and still need to be improved. The subjects in this study were class XII students of SMKF Pekanbaru City totaling 32 students, Riau Province. The research method uses a qualitative descriptive approach. Data collection techniques using written tests, documentation, and interviews. Data analysis using qualitative descriptive analysis by preparing and organizing various kinds of student error data based on each indicator of mathematical reasoning. The results of the research on students' mathematical reasoning ability on each indicator in order are; (1) Presents mathematical statements in pictures 83.3%; (2) Provide reasons or evidence for one or more solutions 55.6%; (3) Make a guess 61.1%; (4) Draw conclusions from statements 63.9%; (5) Checks the validity of an argument 73.6%; and (6) drawing conclusions from several statements 56.5%. The results of this study indicate that mathematical reasoning ability in 3D material in this study 4 indicators are still classified as low. while 2 of them are classified as high.
Development of a HOTS-Based Mathematical Abstraction Ability Instrument in Trigonometry Using Riau Islands Province Culture Dwi Rismi Ocy; Wardani Rahayu; Makmuri Makmuri
Jurnal Gantang Vol 8 No 1 (2023): Jurnal Gantang
Publisher : Universitas Maritim Raja Ali Haji

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31629/jg.v8i1.5654

Abstract

The lack of available assessment tools that effectively measure students' ability to think abstractly in mathematics, particularly in trigonometry. Additionally, there is a need to incorporate local culture into the assessment instrument to make the content more relatable and relevant to students in Riau Islands Province. This study is a development study using the Define, Design, and Develop processes from the 4D development model that have been converted to 3D. 3 doctoral lecturers in mathematics education subsequently validate the instruments produced; they are modified in response to their feedback and recommendations. A team of 17 teachers and instructors of high school mathematics validated the results, followed by panelists' validation. The content Validity Ratio (CVR) index value on the panelist's validation of 25 items is greater equals to 0.765. The instrument has been tested on 20th-grade 10th high school students. The results show that the instrument can be used on a large scale, and the instrument with the cultural context of the Riau Islands Province enables students to break down complex problems into simpler components, identify relevant variables, and establish connections between them.
The Practicality of Plane and Space Geometry Textbook as Teaching Materials in Mathematics Education Department of UMRAH Rezky Ramadhona; Nur Asma Riani Siregar; Okta Alpindo
Jurnal Gantang Vol 8 No 1 (2023): Jurnal Gantang
Publisher : Universitas Maritim Raja Ali Haji

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31629/jg.v8i1.5658

Abstract

This study aims to produce teaching materials in the Geometry of Plane and Space course integrated with the maritime context of the Riau Islands. This research is a solution to problems arising from a need for teaching materials to the characteristics of students in the Mathematics Education Department of UMRAH. The 4D model (Define, Design, Development, and Disseminate) is used as the research development model. The research has reached the final activity of the Development stage, namely the practicality test of textbooks produced. The instrument used in the practicality test is a practicality questionnaire with a Likert scale. The evaluation results show that the textbooks produced through this development research have met the applicable criteria for use as teaching materials, with an achievement level of 72,85%. Thus, the textbook produced with the title Plane and Space Geometry Textbook has met the practical to use as teaching material in the Geometry of Plane and Space course. Integrating the maritime context of the Riau Islands helps students connect the content of teaching materials with their daily life. It helps them more easily understand the new knowledge.
Classroom Action Research: What Are Mathematics Teachers’ Problems in the Implementation? Nur Izzati; Rindi Antika; Alona Dwinata
Jurnal Gantang Vol 8 No 1 (2023): Jurnal Gantang
Publisher : Universitas Maritim Raja Ali Haji

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31629/jg.v8i1.5673

Abstract

This study aims to describe the problems of mathematic teachers in doing classroom action research (CAR). Specifically, this study aims to: (1) Describe the problem of mathematics teachers in planning, implementing, and making reports on the results of classroom action research; (2) Describe the factors causing the problems of mathematics teachers in planning, implementing, and making reports on the results of classroom action research. The study applied a descriptive method. The samples were civil servant mathematics teachers who served in several State Junior High Schools, State High Schools, and State Vocational Schools in Tanjung Pinang City. Data were collected through questionnaires, interviews, and documentation. Data were analyzed and presented descriptively. Some of them were caused by: 1) being busy; 2) difficulty getting literature; 3) Lack of technology mastery; 4) the CAR training could be more optimal.
Development of Teaching Module Using the Problem-Based Learning Model Based on Wadai Banjar Ethnomathematics in the Topic of Linear Equation Shafitri Ardiana; Noor Fajriah; Juhairiah Juhairiah
Jurnal Gantang Vol 8 No 1 (2023): Jurnal Gantang
Publisher : Universitas Maritim Raja Ali Haji

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31629/jg.v8i1.5747

Abstract

Many students need help to understand linear equation material and obtain low math scores. One of the efforts to overcome this was to research and produce a teaching module using a Problem-Based Learning model based on Wadai Banjar's ethnomathematics material of linear equations that is valid, practical, and effective for the learning. The type of research used is the type of 4-D model development research. The data collection technique used a validation sheet by two validators, a practicality questionnaire filled out by a math teacher and 8 students with various abilities, and a learning achievement test for 27 class VII C students of SMP Negeri 18 Banjarmasin. There are 3 analyses conducted in this study: validity, practicality, and effectiveness test analysis. The results showed an average score of 3,58 was obtained from the validator in the very valid category, an average score from the questionnaire was 3,23 in the practical category, and 66,67% of students obtained an evaluation test score above the average score in the effective category.

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