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Journal of Instructional Mathematics
Published by STKIP Kusuma Negara
ISSN : -     EISSN : 27222179     DOI : https://doi.org/10.37640/jim
Core Subject : Education,
Education Mathematics
JIM is a scientific journal containing and disseminating research findings, in-depth study, and innovative ideas in the field of education. Teacher and lecturer innovation in educational sector development can make a positive contribution to schools and educational institutions. JIM is published periodically (twice a year in May and November) by Research and Community Services in STKIP Kusuma Negara Jakarta, with a total of 5 articles published every time (10 articles annually). The scope of this journal is: 1) Learning Model and Approach, (2) Curriculum, (3) Assessment and Evaluation, (4) Ethnomathematics, (5) Didactical Design Research, (6) Technology-Assisted Learning.
Arjuna Subject : Umum - Umum
Articles 67 Documents
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Analysis of Students Learning Ethics in Online Learning via Zoom in Mathematical Communication Ability at Senior High School Bunda Kandung Jakarta Nuary, Rusdi Hamdany
Journal of Instructional Mathematics Vol. 3 No. 1 (2022): Ethics and Mathematical Ability in Online-Mediated Learning Environments
Publisher : Pendidikan Matematika STKIP Kusuma Negara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37640/jim.v3i1.1027

Abstract

This research is based on the results of observations of class X IIS regarding student's mathematical communication in online learning ethics via zoom. Initial findings indicate that mathematical communication skills have emerged but are not optimal. In general, the research objective is analyzing student’s online learning ethics via Zoom in mathematical communication. The method used is descriptive qualitative method to reveal facts. The data are collected through observation, interviews, documentation and triangulation/combination. This study involved three students from class X IIS and the teacher as a validator at Senior High School Bunda Kandung. The data analysis technique uses an interactive model through four stages, which are data collection, data reduction, data display, and drawing conclusions/ verification. The results showed that student's learning ethics via zoom on student's mathematical communication skills for subjects 1 and 2 were optimal because subjects 1 and 2 were able to communicate, express ideas, manage thoughts, analyze and evaluate mathematical thoughts. However, subject 3 has not been optimal in communicating their mathematical thoughts coherently and clearly. Subject 3 is unable to analyze his thoughts and unable to behave well with his friends.
Instructional Design: Teaching Algebraic Equations to Grade 8 Students with Involvement of Mathematical Reasoning in Cambridge IGCSE Curriculum Setiawan, Ales Ariesca
Journal of Instructional Mathematics Vol. 3 No. 1 (2022): Ethics and Mathematical Ability in Online-Mediated Learning Environments
Publisher : Pendidikan Matematika STKIP Kusuma Negara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37640/jim.v3i1.1035

Abstract

Mathematics tends to be a subject that is not favored due to a misunderstanding of the whole concept. The author believes that through involvement of mathematical reasoning skills and proper instructional strategies, students understanding can be transformed and students will be able to relearn the concept. The aim of this paper is to help teachers to recreate their lesson plans in a form of an instructional design with the involvement of mathematical reasoning, specifically in learning and relearning algebraic equations (constructivism), that can further diminish the anxiety and frustration students experience due to misconceptions in their algebraic comprehension. Through a combination of theories related to the teaching and learning of algebra in secondary school and frameworks regarding instructional strategies, the betterment of mathematical reasoning is expected to go along the relearning process, and the students will be equipped to move forward in learning mathematics. This instructional design will provide a variety of learning activities ideas, including a sample lesson plan along with other supporting documents for learning activities that teachers can use in the classroom.
The Learning Process with Contextual Approach to Improve Students' Motivation and Mathematics Learning Achievement Triyanto, Aris; Istiqomah, Istiqomah; Arigiyati, Tri Astuti
Journal of Instructional Mathematics Vol. 3 No. 1 (2022): Ethics and Mathematical Ability in Online-Mediated Learning Environments
Publisher : Pendidikan Matematika STKIP Kusuma Negara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37640/jim.v3i1.1043

Abstract

The aim of this study was to describe the learning process with a contextual approach to improve motivation and Mathematics learning achievement on Integer topic for seventh grade students of State Junior High School 1 Bonggo in the 2019/2020 academic year. This research was conducted in the seventh grade of State Junior High School 1 Bonggo, Sarmi Regency, Papua Province. The Classroom Action Research (CAR) was used as the research method. The research object involved the whole process of implementing Mathematics learning with a contextual approach to improve motivation and Mathematics learning achievement of seventh grade students of State Junior High School 1 Bonggo, Sarmi Regency, Papua Province. Based on the research results, the Mathematics score of pre-cycle to cycle I improved from 50.4 to 67.2, in cycle II it improved further to 79.4. Meanwhile, the motivation in Mathematics learning obtained pre-cycle score of 65.8, cycle I score of 70, and cycle II score of 91. It is advised that teachers should use the CTL learning method on other subjects to improve students' motivation and Mathematics learning achievement.
Mathematical Problem Solving Ability in Indonesia Septian, Ari; Widodo, Sri Adi; Afifah, Ismi Nur; Nisa, Dinda Zahrotun; Putri, Neneng Pitaloka Kusumah; Tyas, Mutia Dyaning; Nisa, Rhahiliyah Hafza; Andriani, Ani
Journal of Instructional Mathematics Vol. 3 No. 1 (2022): Ethics and Mathematical Ability in Online-Mediated Learning Environments
Publisher : Pendidikan Matematika STKIP Kusuma Negara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37640/jim.v3i1.1223

Abstract

This study aims to provide knowledge and references to researchers as a basis that will be used in further research. The method used is the Systematic Literature Review (SLR), which identifies, classifies, and categorizes certain topics related to research on students' mathematical problem solving abilities in Indonesia. The data used are 33 articles that have SINTA 1 and SINTA 2 accredited criteria, such as in the journals AKSIOMA and KREANO, which were taken within the last 3 years, namely 2019 to 2021. The data are grouped into 6 discussions, namely a list of journal names, year published articles, methods used, research subjects, teaching materials used, and research results. In most articles, the most widely used research method in qualitative research methods, and the research subject is 8th grade of junior high school. It was also found that 10th grade of senior high school, 11th grade of senior high school, and 10th grade of vocational high school were also research subjects. While the material in the research is mostly found about constructing flat side spaces.
The Relationship of Offline Learning with Discrete Mathematics Learning Interests After the Pandemic Wahyuniar, Lilia Sinta; Harini, Dwi; Mahdiyah, Umi; Rochana, Siti
Journal of Instructional Mathematics Vol. 3 No. 1 (2022): Ethics and Mathematical Ability in Online-Mediated Learning Environments
Publisher : Pendidikan Matematika STKIP Kusuma Negara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37640/jim.v3i1.1378

Abstract

This article aims to determine the relationship between offline learning and interest in learning discrete mathematics after the pandemic. The research method used is quantitative. The sampling technique in this study used purposive sampling. Data collection in this study used a questionnaire with a Likert scale of 1 to 5. The variables in this study consisted of variable X, namely offline learning and variable Y, namely interest in learning. Each variable consists of 4 indicators. The result of this research is that there is a relationship between offline learning and students' interest in learning in discrete mathematics courses of 0.801. So it can be said that the relationship between offline learning and learning interest is very strong. This is because in offline learning students can interact directly with the lecturer so that discrete mathematics material that has not been understood can be directly asked during learning. Offline learning can also encourage interest in learning so that students are more enthusiastic and enthusiastic about participating in discrete mathematics lectures.
Improving Students' Problem Solving Abilities through the Application of Auditory Intellectually Repetition Model Ismunandar, Denni; Rosyadi, Rosyadi; Nurafifah, Luthfiyati; Jofre, Ahmad
Journal of Instructional Mathematics Vol. 3 No. 2 (2022): Connecting Mathematical Concepts in Learning and Solving Problems
Publisher : Pendidikan Matematika STKIP Kusuma Negara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37640/jim.v3i2.1385

Abstract

The purpose of this study is to know the improvement of students' problem solving ability through the Application of auditory intellectually repetition (AIR) model. This research method uses the quantitative method by taking one experimental class. Samples were assigned from one Public Vocational School in Indramayu, by a purposive technique, based on the selection of teaching teachers. They were from X TKJ2 consisting of 29 students. Data retrieval uses a pretest and posttest of problem solving abilities. Based on the results of data analysis: (i) the student's pretest got the lowest and highest score respectively 6 and 23, and the average was 14.42, (ii) the student's posttest got the lowest and highest score respectively 21 and 38, and the average was 31.17. The maximum score for the pretest and posttest is 40. Based on the hypothesis test using the t-test obtained the observation value of t was 6 and the critical value of t was 2.03, because of that the AIR model was effectively implemented in learning in the classroom. Furthermore, a gain score test was carried out, and then the results were obtained by using the AIR model to improve students' problem solving abilities.
Implementing the Geogebra Applet-Based Connecting, Organizing, Reflecting, Extending (CORE) Learning Model for Students' Critical Thinking Ability in Learning Styles Ardiyanto, Bagas; ‘Adna, Syita Fatih; Chasanah, Aprilia Nurul
Journal of Instructional Mathematics Vol. 3 No. 2 (2022): Connecting Mathematical Concepts in Learning and Solving Problems
Publisher : Pendidikan Matematika STKIP Kusuma Negara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37640/jim.v3i2.1461

Abstract

In the era of globalization, the 21st century requires learning integrated with technological developments and innovation. This study aims to analyze the implementation of the Connecting, Organizing, Reflecting, Extending (CORE) learning model based on the Geogebra Applet on students' critical thinking ability regarding learning styles. The design of this study is quasi-experimental. The samples in this study were students of class XI MIPA 1 and XI MIPA 2 SMA Negeri 2 Magelang who were selected by the cluster random sampling technique. The instruments used in this study were critical thinking ability tests and learning style questionnaires. Based on the results of the hypothesis test conducted with the ANOVA test of two unequal cell paths and the LSD (Least Significance Difference) follow-up test, results were obtained:  (i) The Core learning model based on the Geogebra Applet produces students' critical thinking ability better than the direct learning model; (ii) There are differences in critical thinking ability between students and the learning styles of divergers, convergers, assimilators and accommodators; (iii) There is no interaction between the Geogebra Applet-based CORE learning model and the direct learning model with the student's learning style.
Using Flipped Classroom Model to Enhance the Junior High School Students’ Achievement and Engagement in Algebra Mulyani, Wiwik
Journal of Instructional Mathematics Vol. 3 No. 2 (2022): Connecting Mathematical Concepts in Learning and Solving Problems
Publisher : Pendidikan Matematika STKIP Kusuma Negara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37640/jim.v3i2.1515

Abstract

This study examines whether using flipped classroom model could enhance junior high school students' achievement and engagement in algebra. A quasi-experimental design which is a switching replication model with posttest only is used in this study to determine whether the students’ achievement in the experimental group (using flipped classroom model) differs from the control group (using traditional classroom model). A questionnaire is used to evaluate the students’ engagement during the lessons in the experimental group, and the results then are presented in the descriptive statistics. The result of this study is that the experimental group has significantly (p-value=0.001) higher gain mean scores (M=61.54, SD=20.49) than those in the control group (M=55.63, SD=23.76). It describes that students in the experimental group have better achievement than the students in the traditional classroom. This study also shows that the students in the experimental group agree that they are more engaged and active during the lesson, with the mean of the items engagement being more than 3,7 (3.72?M?4.19). The correlations between the engagement items and the posttest from flipped classroom show positive, moderately strong correlations. Thus, this study sheds light on flipped classroom models as one of the great teaching models nowadays.
Application of Problem-Based Learning Model to Improve Problem Solving Ability Rochana, Siti; Wahyuniar, Lilia Sinta; Mahdiyah, Umi
Journal of Instructional Mathematics Vol. 3 No. 2 (2022): Connecting Mathematical Concepts in Learning and Solving Problems
Publisher : Pendidikan Matematika STKIP Kusuma Negara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37640/jim.v3i2.1542

Abstract

This study aims to improve the problem solving ability of class VIII junior high school students. This research was conducted after the preliminary study it was found that problem solving abilities were still relatively low. Observational shows that more than 50% of class VIII students of SMP Muhammadiyah 3 Depok have poor problem solving skills. Based on the theory put forward some expert of experts, the researchers decided to apply the problem-based learning model. This study uses classroom action research design with a target of 50% of students having a problem solving ability score above the Kriteria Ketuntasan Minimal (KKM). There are four stage of this research, namely planning, implementation, observation and reflection. The data collection technique using the test and non-test techniques. Data analysis using descriptive analysis of quantitative and qualitative analysis descriptive. From the results of the study, it was found that 77% of students had problem solving scores above the KKM. Besides that, it was found that student were able to work on the questions in a more structured manner and could better understand the questions given.
Development of Inverce Matrix Module Related to Student’s Mathematical Connection Skills Fadlurrochman, Rizqon Fuadi; Sumartana, Ammar Hanif; Apriyanti, Leni; Piliang, Anita Safitri; Sulastri, Yayu Laila; Ahmatika, Deti; Kosasih, Usep
Journal of Instructional Mathematics Vol. 3 No. 2 (2022): Connecting Mathematical Concepts in Learning and Solving Problems
Publisher : Pendidikan Matematika STKIP Kusuma Negara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37640/jim.v3i2.1558

Abstract

The purpose of this study was to describe the process and results of the development of the matrix Inverce module related to students' mathematical connection skill, as well as to describe the quality of the matrix Inverce module in terms of validity and practicality. The method used was design research with Plomp model, includes the initial research stage, development stage, and assessment stage. The data was obtained from interview, document analysis, and questionnaire. The result of this study showed that developed module was valid based on validation of material experts, media experts, and practitioner. The validation results of this module show that this module was quite feasible to use with a percentage of 80.83% from material experts and 75.93% from media experts, and was quite practical to use with a percentage of 76.90% from the educator's response questionnaire. From the validation results and educator responses, this module can be implemented as a learning resource or teaching material. In conclusion, the Inverce matrix module was declared fit and practical to be used as teaching material and learning resources.

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