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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
 1 
Search results for , issue "Vol 7 No 2 (2022): Jurnal Gantang" : 9 Documents clear
Constraints of Blended Learning Implementation in Higher Education Hapizah Hapizah; Budi Mulyono; Ely Susanti; Cecep Anwar FS
Jurnal Gantang Vol 7 No 2 (2022): Jurnal Gantang
Publisher : Universitas Maritim Raja Ali Haji

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31629/jg.v7i2.4660

Abstract

Blended learning is a combination of synchronous and asynchronous learning. Implementing blended learning in mathematics learning has some problems, one of which is proving mathematics. This study aims to describe the obstacles to implementing blended learning in universities. The research was carried out at two universities in Indonesia located on the islands of Sumatra and Java. The subject of this research is the lecturer of the Mathematics Education Study Program at the two universities. The data collection technique used is an open questionnaire. The data were analyzed qualitatively and descriptively quantitatively. The study's results stated that lecturers faced many obstacles in implementing blended learning, mainly Internet, Time, Competence, and Student Personality.
Analysis of Student Errors in Solving Basic Logarithmic Problems Using Kastolan Error Analysis Yodiatmana Yodiatmana; Kartini Kartini
Jurnal Gantang Vol 7 No 2 (2022): Jurnal Gantang
Publisher : Universitas Maritim Raja Ali Haji

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31629/jg.v7i2.4689

Abstract

This research aims to describe the types of student errors in solving logarithmic problems. The subjects in this study were class X students of SMAN 15 Pekanbaru City, Riau Province. The research method uses a qualitative descriptive approach. Data collection techniques using written tests and documentation. Data analysis used descriptive qualitative analysis by compiling various kinds of student error data as material for research. In this analysis, the types of student errors are categorized based on Kastolan stages. Based on the results of the study, there are still many students who need help solving logarithmic problems. The most errors were conceptual errors at 74.14%, followed by procedural errors at 15.52%, and types of errors with the least technical errors at 10.34%. Conceptual errors indicate a weak understanding of the properties of logarithms, so they cannot apply them. The second type of procedural error occurs due to unsystematic settlement and exit from a predetermined procedure. The kind of error with the lowest percentage is a technique that shows the accuracy of students' calculations in solving problems. This happens because of a need for more thoroughness with the signs that must be used.
Analysis of the Level of Understanding of the Concept of the Isoline Method of Linear Program Material Based on APOS Theory in terms of Learning Interest Iesyah Rodliyah; Dwi Juniati; Siti Khabibah
Jurnal Gantang Vol 7 No 2 (2022): Jurnal Gantang
Publisher : Universitas Maritim Raja Ali Haji

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31629/jg.v7i2.5250

Abstract

One of the methods that can be used to find solutions to linear programming models is the Graphical Method. Graphical methods are divided into the isoline method and the extreme point method. Based on initial observations and interviews, it was found that around 54% of students still needed help understanding the isoline method material in solving linear programs, especially when given real problems related to everyday life. In addition, students' learning interest in linear programming courses also varies. So the purpose of research in this article is to describe the level of understanding of students who have high, medium, and low learning interest in linear programming material, precisely the isoline method material, in determining the optimum solution. The method in this study is a qualitative method with a sampling technique using purposive sampling. Data collection was carried out using a questionnaire method for data on student learning interests and semi-structured test and interview methods to describe the level of student understanding based on APOS theory. The instruments in this study were questionnaires, written tests, and interview guidelines. Checking the validity of the data in this study used time triangulation. The collected data was analyzed using descriptive qualitative analysis. The results of the research show that: (1) subjects with high learning interest are at the level of schematic understanding; (2) subjects with interest in learning are at the level of understanding objects; and (3) subjects with low interest in learning are at the level of understanding of Action.
Effects of Teaching Students through Problem-Solving on Students’ Academic Performance in Problem-Solving Emmanuel Acquandoh; Zakari Zunurain; Dennis Offei Kwakye; Samuel Redeemer Adornyo
Jurnal Gantang Vol 7 No 2 (2022): Jurnal Gantang
Publisher : Universitas Maritim Raja Ali Haji

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31629/jg.v7i2.5314

Abstract

The study aimed to determine how teaching students problem-solving techniques affected their academic problem-solving performance. A quasi-experimental research design was used for this study. The BIA Lamplighter College of Education's level 400 students make up the population for the 2022–2023 academic year. However, all upper primary students were chosen for the study because Problem-solving was a subject taught in that grade. There were three groups of 126 upper primary students in total. Intact groups were used in the study. The problem-solving technique was used in conjunction with the whole class, cooperative, and think-pair-share teaching methods while teaching Groups 1, 2, and 3 (G1, G2, and G3). Scores from the pre-and post-tests were used to gather information. The data were analyzed using ANOVA, Wilcoxon Signed Ranks, Kruskal-Wallis Test, both Wilcoxon W and Mann-Whitney U. The study's conclusions suggest that teaching through Problem-solving may enhance students' problem-solving abilities. The study also discovered that both students taught using whole-class teaching strategies and students led using cooperative learning and think pair teaching strategies benefit from the techniques. After using the "teaching through" problem-solving approach, there was no discernible difference in performance between male and female students.
Analysis of Mathematics Problem-Solving Ability of Junior High School Students in Emotional Intelligence Ridina Sekaryanti; Rani Darmayanti; Choirudin Choirudin; Usmiyatun Usmiyatun; Elli Kestoro; Umar Bausir
Jurnal Gantang Vol 7 No 2 (2022): Jurnal Gantang
Publisher : Universitas Maritim Raja Ali Haji

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31629/jg.v7i2.4944

Abstract

This study aims to describe the problem-solving skills that students learn from emotional intelligence. This type of research is descriptive and qualitative. The instruments used are questionnaires, tests, and interviews. The questionnaire instrument was used to measure students' emotional intelligence. The test instrument was used to measure problem-solving skills, and interviews were conducted to learn more about problem-solving skills. The subjects of this study were 5 of 15 students from class VIII who were taken as a sample and then given an ability test and analysis based on Krulik and Rudnick's problem-solving steps. Subjects with high emotional intelligence can understand the context of the problem and represent the problem with pictures. Students can link between information, use appropriate strategies or steps, and relevant answers and conclusions. The subject with medium emotional intelligence is rewriting information on the problem using mathematical models and their language. Subjects can relate information, but not all students' answers are correct. Subjects with low emotional intelligence do not make representations or use clear problem-solving strategies. Subjects cannot relate information, so they do wrong calculations and only guess the answer.
Students' Mathematic Problem Solving Ability with Problem Solving Learning Model in Class VII SMP Negeri 2 Singkawang Ayu Susantri; Nurul Husna; Buyung Buyung
Jurnal Gantang Vol 7 No 2 (2022): Jurnal Gantang
Publisher : Universitas Maritim Raja Ali Haji

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31629/jg.v7i2.4963

Abstract

Students still need to improve their capacity for solving mathematical puzzles. The study aimed to evaluate how well the Problem-Solving learning model helped students become more adept at solving algebra-related mathematical problems. This study is an illustration of hybrid research (Mixed Methods). Class VIIA served as the experimental class, and Class VIID served as the control class for the study. Test forms, observation forms, and interviews served as instruments. Statistics are used in quantitative data analysis, whereas in qualitative data analysis, data is reduced, presented, and conclusions are drawn. The findings revealed that: (1) Mathematical problem-solving skills were improved in Problem-Solving Learning Model classes compared to classes using the Discovery Learning Model; (2) The Problem-Solving Learning Model defined what was meant by active student participation in class, with the percentage of student activity obtained being 41.12% at the first meeting with the quite active category and 89.74% at the second meeting with the very active category.
Developing Problem Based Learning Device to Grow Students' Mathematical Critical Thinking Ability Muhamad Julfianto; Elfis Suanto; Syarifah Nur Siregar
Jurnal Gantang Vol 7 No 2 (2022): Jurnal Gantang
Publisher : Universitas Maritim Raja Ali Haji

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31629/jg.v7i2.5318

Abstract

This research is motivated by the importance of students' mathematical critical thinking skills and the limited learning tools with problem-based learning models to facilitate students' mathematical critical thinking skills used by teachers (Syllabus, RPP, and LAS) as a means of supporting learning in the 2013 Curriculum and fostering the ability to think mathematical critical. This research aims to produce a learning device based on the Model of Problem-Based Learning (PBL) on the probability material that is valid and practical to grow students' mathematical critical thinking skills. The model of development used is the 4D model (Define, Design, Develop, Disseminate). The subjects of one-to-one evaluation in this study were three 9th-grade SMP IT Aufia Global Islamic Boarding School and six heterogeneous students as small group evaluation subjects. The data analysis technique that will be carried out in this study is descriptive analysis technique. The Instruments used include (1) Syllabus, lesson plans, and student activity sheet validation sheets; and (2) a Questionnaire for student response to Student activity sheets. The learning tools that have been compiled are then validated by three validators and revised according to suggestions from the validators. The learning device is said to be valid if the level of validity achieved is at a value The validation results from three validators show that the syllabus, lesson plans, and student activity sheet are very valid, with the average score in a row 3.82, 3.74, and 3.55. Student activity sheet practicality shows an average percentage of 92,06% with efficient criteria. The results of this study indicate that the learning based on Model Problem-Based Learning (PBL) on the probability material is very valid and significantly grows students' mathematical critical thinking skills.
Electronic Student Worksheets Based on Rigorous Mathematical Thinking for Sequence and Series Materials in Senior High School Hutami Sukma Hayati; Puji Astuti; Febrian Febrian
Jurnal Gantang Vol 7 No 2 (2022): Jurnal Gantang
Publisher : Universitas Maritim Raja Ali Haji

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31629/jg.v7i2.5331

Abstract

The rapid development of technology must be utilized as well as possible, especially in the world of education, because education is the basis for forming individuals who are strong and able to compete in facing the challenges of the times. The habit of students using existing formulas without knowing the concept of the material causes them to have difficulty solving the same problem but in a different form of problem. Therefore, the development of electronic student worksheets based on Rigorous Mathematical Thinking (RMT) on the material of rows and series becomes an electronic teaching material that contains the stages of the learning process to build an in-depth understanding of the concepts of students as well as being one of the changes from existing technological developments. This study aimed to assess the validity and practicality of electronic student worksheets based on RMT developed. The research method used is Research and Development (R&D) with the 4D development model. The validity and practicality assessment instrument is a student questionnaire sheet with a Likert scale. The data obtained were analyzed using the percentage of the assessment score. The validation results show that electronic student worksheets are categorized as valid, with an average percentage of material validation of 88.13%, an average percentage of media validation of 94.62%, and an average percentage of language validation 93.64%. The practicality test obtained an average percentage of 78.39% in the practical category.
Developing Guided Discovery-Based Learning Device for Improving Middle School Students' Mathematics Problem-Solving Ability Emi Suryani Putri; Dony Permana; Yerizon Yerizon; I Made Arnawa
Jurnal Gantang Vol 7 No 2 (2022): Jurnal Gantang
Publisher : Universitas Maritim Raja Ali Haji

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31629/jg.v7i2.4933

Abstract

According to the 2011 PISA Mathematics Survey, Indonesia ranked 72nd out of 78 countries. This is a very worrying position for the development and quality of Indonesian education in the eyes of the world. This study aims to create a learning device based on guided discovery to enhance students' valid, practical, and effective problem-solving skills. The developed instructional devices are presented as lesson plans and worksheets for high school math students. This development study uses the Plomp model in three phases: pre-production, prototyping, and evaluation. The research subjects are 7th-grade students of SMPN 2 Northern Rao. Experts conduct verification in mathematics education, educational technology, and the Indonesian Language. The practicality of the teaching aid is evident in the results of practicality surveys in teaching practice and questions from students and teachers. Efficiency can be seen in student learning outcomes. The Data Analysis Result Guided Discovery Learning Device is effective because it meets valid criteria in terms of content and design, is practical in terms of implementation, simplicity, and turnaround time, and can improve learning outcomes. In essence, this research can provide an overview for enhancing the quality of education. In addition, it can be used as an indicator to improve students' problem-solving skills by making math learning more accessible and efficient.

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