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Jurnal Infinity
Published by STKIP Siliwangi Bandung
ISSN : 20896867     EISSN : 24609285     DOI : -
Core Subject : Education,
Education
Infinity Journal published by STKIP Siliwangi Bandung (IKIP Siliwangi) and Indonesian Mathematics Educators' Society (IMES) publishes original research or theoretical papers about teaching and learning in a mathematics education study program on current science issues.
Arjuna Subject : -
Articles 339 Documents
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STUDENTS’ REFLECTIVE ABSTRACTION ABILITY ON LINEAR ALGEBRA PROBLEM SOLVING AND RELATIONSHIP WITH PREREQUISITE KNOWLEDGE Rahayu Kariadinata
Jurnal Infinity Vol 10, No 1 (2021): VOLUME 10, NUMBER 1, INFINITY
Publisher : IKIP Siliwangi and I-MES

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22460/infinity.v10i1.p1-16

Abstract

This study aims to describe the achievement of the ability of students' reflective abstraction in solving Linear Algebra problems and the relationship with prerequisite knowledge. The important of this research because the characteristic of Linear Algebra requiring reflectif abstraction skill that must be support by the prerequisite knowledge. The reflective abstraction abilities studied in this study are level, i.e.1) recognition,2) representation, 3) structural abstraction, and 4) structural awareness. These stages are adjusted to Polya's problem solving stages, namely: understanding the problem, devising a plan, carrying out the plan, and looking back. This type of research is descriptive-quantitative. The subjects of this study were students of the Mathematics Education Study Program, Faculty of Tarbiyah and Teacher Training of UIN Sunan Gunung Djati Bandung Indonesia. Collecting data through tests and interviews, data were analyzed with percentage and the pearson product-moment correlation.The results showed that the achievement level  consisiting of ) recognition,2) representation, 3) structural abstraction, and 4) structural awareness of the students’ reflective abstraction abilities on linear algebra problem solving are very good, this can be seen from the percentage achieved at stages of the recognition,the representation,the structural abstraction, and the structural awareness which is associated with Polya problem solving measures above an average of 73,31% (moderat category); there are relationship between students' reflective abstraction abilities and their prerequisite knowledge; and prerequisite knowledge influences the students’reflective abstraction abilities
MATHEMATICAL LITERACY ABILITY AND METACOGNITIVE CHARACTERISTICS OF MATHEMATICS PRE-SERVICE TEACHER Christina M Laamena; Theresia Laurens
Jurnal Infinity Vol 10, No 2 (2021): VOLUME 10, NUMBER 2, INFINITY
Publisher : IKIP Siliwangi and I-MES

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22460/infinity.v10i2.p259-270

Abstract

This study aims to determine the characteristics of students' metacognition in solving mathematical literacy problems. The metacognitive traits explored are related to awareness in planning, monitoring, and evaluating the design of the thinking process used. The research method used is a mixed-method (sequential explanatory), which uses quantitative research results to conduct qualitative research. The research subjects were 80 early semester students who took the literacy test and chose six respondents representing the upper, middle, and lower groups, with two people in each group to be interviewed. The results showed that the mathematical literacy skills of prospective teachers were at a low level. Metacognitive characteristics that appear in the low group are (1) realizing that the solution of strategy is not right but not improved; (2) planning to develop a settlement strategy, but are not sure, (3) do not carry out the re-check process, and (4) do not believe what is being thought and do not understand the concept. Metacognitive traits in the middle group are (1) aware of what they are thinking, (2) consciously plan various strategies to improve thinking accuracy, but do not always use these strategies, (3) tend to monitor the thinking process, and (4) show tendency to master the basic mathematical concepts of the problems at hand.The characteristics of metacognition in the high group during problem-solving are (1) Using various strategies to demonstrate or improve the accuracy of thinking (sketching, drawing), (2) Analyzing the problem before solving it, and (3)Understanding and mastering the mathematical concepts that underlie the problem which is given.
TWO DECADES OF REALISTIC MATHEMATICS EDUCATION RESEARCH IN INDONESIA: A SURVEY Rully Charitas Indra Prahmana; Laela Sagita; Wahyu Hidayat; Niken Wahyu Utami
Jurnal Infinity Vol 9, No 2 (2020): VOLUME 9, NUMBER 2, INFINITY
Publisher : IKIP Siliwangi and I-MES

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22460/infinity.v9i2.p223-246

Abstract

Freudenthal's ideas on mathematics that stated mathematics as a human activity and mathematics must be connected to reality have colored towards learning mathematics all over the world, including Indonesia. Existing research on this topic in Indonesia among two decades is categorized and compared. This paper presents a systematic literature review of empirical studies on this learning approach in Indonesian context. The implementation of this approach in Indonesia was analyzed comprehensively and divided into several major topics. Resources of this research come from 110 articles by ten highest rank accredited journals by the Ministry of Research, Technology, and Higher Education, the Republic of Indonesia as an achievement for the peer-reviewed journal, which has excellent quality in management and publication. The results show that there are seven categories summarized in this research: the dominance of published RME articles, RME research subjects, mathematical topics, students' abilities, RME terms, and the research method used in RME articles. Lastly, the summarized 110 papers are displayed in the table to give essential information as a fundamental idea for further RME research.
IDENTIFICATION OF JUNIOR HIGH SCHOOL STUDENTS’ ERROR TYPES IN UNDERSTANDING CONCEPT ABOUT RELATION AND FUNCTION Aflich Yusnita Fitrianna; Rizky Rosjanuardi
Jurnal Infinity Vol 10, No 2 (2021): VOLUME 10, NUMBER 2, INFINITY
Publisher : IKIP Siliwangi and I-MES

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22460/infinity.v10i2.p175-190

Abstract

This study aims to identify types of errors made by students and their conceptions related to the concept of relations and functions. This research is a descriptive study with a qualitative approach conducted in eight grades at one of Madrasah Tsanawiyah in Kabupaten Bandung Barat. The research subjects were taken from 26 students who answered incorrectly on a given test. The research instrument was in the form of a diagnostic test based on basic competencies and indicators in the Relations and Function material. In-depth interviews were conducted with students who made mistakes in answering. Based on the data analysis, the mistakes made were: 1) conceptual error type 1, 2) conceptual error type 2, 3) procedural error, 4) technical error, and 5) error in understanding the problem. One of the causes of students' mistakes is the dissimilar concept between students’ and scientific conceptions.
RELATIONSHIP BETWEEN STATISTICAL LITERACY AND MATHEMATICAL REPRESENTATION OF STUDENTS THROUGH COLLABORATIVE PROBLEM SOLVING MODEL Takaria, Johannis; Wahyudin, Wahyudin; Sabandar, Jozua; Dahlan, Jarnawi Afgani
Jurnal Infinity Vol 9, No 2 (2020): VOLUME 9, NUMBER 2, INFINITY
Publisher : IKIP Siliwangi and I-MES

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22460/infinity.v9i2.p183-196

Abstract

The purpose of this study was to find out the relationship between statistical literacy and mathematical representation of students as pre-service elementary school teachers through the Collaborative Problem Solving (CPS) model. The relationship between statistical literacy and mathematical representation was analyzed by using a product-moment correlation with a sample of 35 students of Elementary School Teacher Education Study Program at one of the state universities in Ambon City. The results showed that there was a positive and strong relationship between statistical literacy and mathematical representation with a correlation value of 0.66. This relationship means that if students have good mathematical representation abilities, statistical literacy abilities are also getting better. Exploration of statistical literacy and mathematical representation abilities can be facilitated by using The CPS learning model. The CPS learning model can facilitate student learning as a structure in mathematical thinking so that statistical literacy and mathematical representation abilities of students can be explored through the transformation of ideas among students. The CPS learning model aspects were implemented in high and very high categories while the indicators were at rating-2 and rating-3.
PRE SERVICE TEACHERS’ PERCEPTION ON THE IMPLEMENTATION OF PROJECT BASED LEARNING IN MATHEMATIC CLASS Marah Doly Nasution; Ahmad Ahmad; Zulkifley Mohamed
Jurnal Infinity Vol 10, No 1 (2021): VOLUME 10, NUMBER 1, INFINITY
Publisher : IKIP Siliwangi and I-MES

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22460/infinity.v10i1.p109-120

Abstract

Project-based learning is one of the 21st-century methods that can increase the students' ability to have useful competence in their knowledge, especially in learning mathematic. Hence, the teachers' perception of the implementation of PBL is essential to know. The purpose of this study was to determine student perceptions about the application of project-based learning models. This research is a survey research with a quantitative descriptive approach. The samples used in this study amounted to 63 students of the sixth semester in the Department of Mathematical Education, Muhammadiyah University North Sumatra. The data collection technique used a questionnaire. The data analysis technique consists of quantitative analysis techniques with a statistical approach. The results of this study indicate that: (1) the students' perceptions of the interaction aspects of students and teachers are in the very good category with a mean score of 85.32%. (2) Students' perceptions of motivation / increasing student interest in learning are in the very high category, with an average score of 85.53%. (3) Students' perceptions on the competency aspect of understanding subject matter are in the very good category with an average score of 85.48%. (4) Students' perceptions of the competency aspects of critical, effective, and efficient thinking are in the category of strongly agree with a mean score of 82.62%. (5) Students' perceptions of good time management competence are in the good category with an average score of 79.10%. (6) Students' perceptions of good student learning outcomes are in the very good category, with a mean score of 82.67%. (7) Students' perceptions of the learning model's conformity aspect with subject characteristics are in the very high category with a mean score of 84.05%.
THE STUDENTS' MATHEMATICAL PROBLEM-SOLVING ABILITIES, SELF-REGULATED LEARNING, AND VBA MICROSOFT WORD IN NEW NORMAL: A DEVELOPMENT OF TEACHING MATERIALS Citra Megiana Pertiwi; Euis Eti Rohaeti; Wahyu Hidayat
Jurnal Infinity Vol 10, No 1 (2021): VOLUME 10, NUMBER 1, INFINITY
Publisher : IKIP Siliwangi and I-MES

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22460/infinity.v10i1.p17-30

Abstract

The new normal period makes ICT-based education the spearhead of the implementation of learning. This becomes an obstacle and a challenge for students, especially in the mathematical problem-solving ability (MPSA), which is very important for students because it is a prior mathematical ability and is included in HOTS. Self-regulated learning in mathematics (SRL) also has a significant role in adapting to learning in the new normal and influences students' mathematical learning outcomes. However, the facts on the ground show that these two abilities are still low. To solve this problem, the researchers developed VBA Microsoft Word-based teaching materials on the relevant polyhedron materials for use so that learning would be more optimal. The method used in this research is an experimental method with a pretest-posttest control group design. The population is all the students in Cimahi City, while the sample is two classes randomly selected. This study indicates that VBA Microsoft Word-based teaching materials are appropriate to be applied in the new normal period, as indicated by the results of the achievement and improvement of MPSA and SRL of students is better than ordinary learning. There is an association between MPSA and SRL and positive response even though they still have difficulty making mathematical models on MPSA questions. Students are more enthusiastic in learning and don't get bored quickly; in line with the challenges of the new normal, the industrial revolution 4.0, and the learning curriculum, learning is more structured, interactive, effective, and efficient.
ONLINE LEARNING INTERACTION OF MATHEMATICS TEACHER IN JUNIOR HIGH SCHOOL: A SURVEY IN THE COVID-19 PANDEMIC Ahmad Ahmad; Zulkifley Mohamed; Eka Setyaningsih; Chumaedi Sugihandardji
Jurnal Infinity Vol 10, No 2 (2021): VOLUME 10, NUMBER 2, INFINITY
Publisher : IKIP Siliwangi and I-MES

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22460/infinity.v10i2.p271-284

Abstract

This study aims to determine the online learning interactions carried out by junior high school teachers in the classroom during the COVID-19 pandemic. The quantitative using survey was used as a research methodology. 141 Mathematic Teachers was selected as the subject of this research. A questionnaire of classroom interaction practice in an online class was used as a data collection technique. The result found that mathematic teachers’ interaction activity in online courses has a different level. The interaction process that mathematic teachers use is in preparing the students to join an online course and leading the discussion with the mean of 4.2 and 4.3. In contrast, the lowest interaction happens in interaction in giving feedback and interaction in closing activity with an average of 2.5. the research also found that 78.70% of mathematic teachers always provide direction to the students in starting the online class. 40.30% of them never ask students to correct incorrect assignments during online learning.
THE COMMON ERRORS IN THE LEARNING OF THE SIMULTANEOUS EQUATIONS Pg. Mohammad Adib Ridaddudin Pg. Johari; Masitah Shahrill
Jurnal Infinity Vol 9, No 2 (2020): VOLUME 9, NUMBER 2, INFINITY
Publisher : IKIP Siliwangi and I-MES

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22460/infinity.v9i2.p263-274

Abstract

The purpose of this study is to understand the causes of common errors and misconceptions in the learning attainment of simultaneous equations, specifically on linear and non-linear equations with two unknowns. The participants consisted of 30 Year 9 students in one of the elite government schools in Brunei Darussalam. Further analyses of their work led to the categorisation of four factors derived from the recurring patterns and occurrences. These four factors are complicating the subject, wrong substitution of the subject, mathematical error and irrational error in solving the question. These factors usually cause participants to make errors or simply misconceptions that usually led them to errors in solving simultaneous equations.
THE RELATIONSHIP BETWEEN MUSICAL INTELLIGENCE AND THE ENHANCEMENT OF MATHEMATICAL CONNECTION ABILITY USING ETHNOMATHEMATICS AND THE MOZART EFFECT Dianne Amor Kusuma; Estiyan Dwipriyoko
Jurnal Infinity Vol 10, No 2 (2021): VOLUME 10, NUMBER 2, INFINITY
Publisher : IKIP Siliwangi and I-MES

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22460/infinity.v10i2.p191-202

Abstract

The background of this study is mathematics learning outcomes of junior high school students in agricultural areas are still low because they are less motivated to learn mathematics, so that is has an impact on their low learning outcomes. This study aims to find the relationship between musical intelligence and the enhancement of mathematical connection ability by applying Ethnomathematics and the Mozart Effect for increasing students’ motivation to learn mathematics. This study used a quasi-experimental non-equivalent control group design in grade 7 students at SMPN Bojongsoang 1, Kabupaten Bandung. The instruments used were the test of mathematical connection ability, musical intelligence questionnaire, and observation sheets. The results showed that: (1) there were differences in mathematical connection ability of students who received Ethnomathematics and the Mozart Effect learning with students who received direct learning; (2) musical intelligence has a positive impact on the enhancement of students' mathematical connection ability; and (3) students have a positive attitude towards learning with application of Ethnomathematics and the Mozart Effect, and more motivated to learn mathematics. The conclusion of this study is that there is a relationship between musical intelligence and the enhancement of mathematical connection ability, and students are more motivated to learn mathematics. Implication of this research for future research and learning practice is that students' mathematical connection ability can be explored and improved in various ways, one of which is by applying Ethnomathematics and the Mozart Effect in mathematics learning, and can be influenced by many things, one of them is musical intelligence. Therefore, in future research, it would be recommended to study the relationship between musical intelligence and the enhancement of other mathematical abilities using Ethnomathematics and the Mozart Effect.

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