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Muchamad Subali Noto

Universitas Swadaya Gunung Jati

Author-ID : 331843

Religion Agriculture, Biological Sciences & Forestry Arts Humanities Biochemistry, Genetics & Molecular Biology Computer Science & IT Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Mathematics Medicine & Pharmacology Physics Public Health Social Sciences Other

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ANALYSIS OF STUDENTS MATHEMATICAL REPRESENTATION AND CONNECTION ON ANALYTICAL GEOMETRY SUBJECT Muchamad Subali Noto; Wahyu Hartono; Dadan Sundawan
Jurnal Infinity Vol 5 No 2 (2016): Volume 5 Number 2, Infinity
Publisher : IKIP Siliwangi and I-MES

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22460/infinity.v5i2.p99-108

The importance ability of mathematical representation and connection to owned by the student really help students in understanding the mathematical concepts in the form of pictures, symbols, and the written word. The use of mathematical representation and the correct connection by students will help students make mathematical ideas more concrete and can connect a concept to another concept, so that students can develop a view of mathematics as a whole integration. This research aims to describe and analyze the ability of representation and mathematical connection on the topics of analytical geometry. The research method was descriptive with the subject as much as 22 mathematics students. Data collected through tests and interviews. The results show that the average ability of representation is 46.00; the average mathematical connection ability is 36.77. This means both the abilities still belongs to low, particularly for the ability of mathematical connection.

DESIGN OF LEARNING MATERIALS ON LIMIT FUNCTION BASED MATHEMATICAL UNDERSTANDING Muchamad Subali Noto; Surya Amami Pramuditya; Yudrick Maulana Fiqri
Jurnal Infinity Vol 7 No 1 (2018): Volume 7 Number 1, INFINITY
Publisher : IKIP Siliwangi and I-MES

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22460/infinity.v7i1.p61-68

In learning process, students are currently cannot be separated from learning difficulties, including the study material algebra limit function. It because the level of students' mathematical understanding regarding the material is still quite low. This study aimed to analyze the barriers to student learning, designing learning materials based on the material mathematics understanding algebra limit function is valid, determine teacher intervention during the implementation of learning materials and to analyze barriers to student learning after the implementation of learning materials. This research is a qualitative research study design using the form Didactical Design Research. Stages of research conducted: 1) analysis of the situation didactic before learning, 2) analysis of metapedadidatik and 3) the retrospective analysis. Data collection techniques used were tests, interviews, questionnaires, and documentation. The instrument used was a matter TKPM (Comprehension Mathematical Ability Test), interview, validation sheet materials, and documentation guidelines. Research results obtained are students experiencing obstacle to learning the material limit algebra functions. These obstacles are 1) students' difficulties in relating the material prerequisites to limit problems. 2) students can not write properly limit symbol, 3) students can not apply a limit theorem, 4) students are not able to determine the limit value at one point, and 5) students cannot determine the value of the limit at infinity. Learning materials that have been made have validation level of Â with very valid criteria. The response was given when the student intervention, generally in accordance with response prediction so that interventions carried out in accordance with the design that has been made. After learning materials student learning obstacles implemented reduced/minimized.

GEOMETRY EXPLORATION ACTIVITIES ASSISTED WITH DYNAMIC GEOMETRY SOFTWARE (DGS) IN A TEACHER EDUCATION CLASSROOM Samsul Maarif; Wahyudin Wahyudin; Muchamad Subali Noto; Wahyu Hidayat; Herri Mulyono
Jurnal Infinity Vol 7 No 2 (2018): Volume 7 Number 2, INFINITY
Publisher : IKIP Siliwangi and I-MES

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22460/infinity.v7i2.p133-146

The aims of this study were conducted to investigate the effectiveness of pre-service teachersâ€™ geometric exploration activities assisted by Dynamic Geometry Software (DGS) Cabri II Plus computer application in constructing geometry proofs in a teacher education classroom. To these ends, mix-method design. A total of 72 pre-service teachers taking geometry course participated in the study. Findings of the study show that students who participated in geometric exploration activities assisted by DGS Cabri II Plus computer application had better achievement compared to their counterpart. The use of DGS Cabri II Plus computer application was observed to enable the students to present diagrams of verification problems appropriately, determine the valid conjectures, and make justification regarding the statements in the written proof. More importantly, participating in geometric exploration activities assisted by DGS Cabri II Plus computer application provide students with opportunities to explore alternative proofs related to geometry.

THE TEACHERS' EXPERIENCE BACKGROUND AND THEIR PROFESIONALISM Yulyanti Harisman; Yaya Sukjaya Kusumah; Kusnandi Kusnandi; Muchamad Subali Noto
Jurnal Infinity Vol 8 No 2 (2019): Volume 8 Number 2, Infinity
Publisher : IKIP Siliwangi and I-MES

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22460/infinity.v8i2.p129-142

Based on literature review Three categories of teachers are: good, very good, and excellent which are viewed from aspects of beliefs, attitude, depth of pedagogical and didactic aspects, and teacher reflection in the learning process has been obtained in previous studies. Various external aspects are considered to affect teacher professionalism in learning about mathematical problem solving. These aspects need to be studied to maximize the teacher professionalism. This study will examine these external aspects, ranging from teaching experience, educational background, and experience in participating in training to improve teacher competencies. This type of qualitative research with survey methods was chosen as a research method. Three teachers from three junior high schools with different clusters were selected as research subjects. Each teacher is given short questions related to this. The results obtained are the experiences of the trainings that teachers follow in increasing their competence and teacher's educational background have more significant influence on teacher professionalism compared to the experience or length of teacher teaching.

EXPERIENCE STUDENT BACKGROUND AND THEIR BEHAVIOR IN PROBLEM SOLVING Yulyanti Harisman; Muchamad Subali Noto; Wahyu Hidayat
Jurnal Infinity Vol 9 No 1 (2020): Volume 9, Number 1, Infinity
Publisher : IKIP Siliwangi and I-MES

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22460/infinity.v9i1.p59-68

These Students' mathematical problem solving behavior had been presented in the previous paper. Four categories of students' mathematical problem solving behavior in junior high schools in Indonesia had been obtained. These categories were: naive, routine, semi-sophisticated, and sophisticated. This paper was a continuation of that research. In this session would discuss about external aspects affect student behavior in problem solving. This research used survey method. Eighteen students from three junior high schools in Indonesia had been interviewed about it. These three aspects were: distance of home from school, family background, Contests-contests like math Olympiads that had been followed. The interview results were coded to get conclusions. Research findings were that the external aspects of students did not influence students in behaving to solve problems in mathematics. the implication of this finding is that the main factor influencing student behavior in problem solving is teacher professionalism in learning not from the students themselves, so the teacher must be really prepared in designing all components of learning well.

INVESTIGATION OF STUDENTS' BEHAVIOR IN MATHEMATICAL PROBLEM SOLVING Yulyanti Harisman; Muchamad Subali Noto; Wahyu Hidayat
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.p235-258

This study is a qualitative research by using the descriptive method that aims to examine the behaviour of eighteen students in Bandung, Indonesia. Six issues related to geometry were given to eighteen of second-grade junior high school students with heterogeneous abilities. The problems given to the students contained all of the problem-solving strategies such as guessing and checking, make a picture, make a list, make a table, working backwards, looking patterns, and using a logical reason, solving simple problems and making questions. Data collection was conducted through mathematical problem-solving tests, recording students’ presentations, and interviewing among researchers and students after doing the problems. The result of recording was a video during the presentation process, and the interview would explore their understanding of the given problems to see the behaviour used by subjects of the research. The data in this research showed that many students’ behaviour identified; in the relevant literature, there are terms of the behaviour of problem-solving naive, routine, and sophisticated. However, the category "naïve," "routine," and "sophisticated" did not fully draw various behaviours observed, it was obtained additional category termed behavioural problem solver "naïve," "routine," "semi-sophisticated" and "sophisticated". It was due to the category of regular students can be divided into two, some students can be directed, and some of them cannot be directed to sophisticated behaviour. Thus, the routine category can be classified into two categories: routine and semi-sophisticated.

CHARACTERISTICS OF STUDENTS' MATHEMATICAL PROBLEM SOLVING ABILITIES IN OPEN-ENDED-BASED VIRTUAL REALITY GAME LEARNING Surya Amami Pramuditya; Muchamad Subali Noto; Fuji Azzumar
Jurnal Infinity Vol 11 No 2 (2022): VOLUME 11, NUMBER 2, INFINITY
Publisher : IKIP Siliwangi and I-MES

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22460/infinity.v11i2.p255-272

This research is motivated by the problem-solving ability of students is still low, and the teaching materials used cannot be studied independently. The purpose of this study was to determine students' profiles about students' problem-solving abilities seen from indicators of choosing and implementing the problem-solving strategies to solve mathematical and outside mathematics using open-ended-based virtual reality games. A virtual reality game through open-ended-based learning media is made with the concept of moving the situation of learning mathematics in the real world into a virtual world displayed through a computer. This research used a qualitative method with a case study design. The research instrument used is a question of mathematical problem-solving ability through open-ended-based and interview transcripts. The research subjects were six eighth grade Junior High School students consisting of two students with high knowledge, two with moderate knowledge, and two with common knowledge. The result showed that students have different mathematical problem-solving abilities from each indicator, namely 1) identifying the adequacy of data for problem-solving, 2) making mathematical models from everyday situations or problems, 3) selecting and implementing strategies to solve math and math problems outside of using virtual reality games through open-ended based.

Uncovering the Secrets Behind Enumeration Rules: The Art of Combinatorics Thinking Bilkis, Cahaya; Martini; Muchamad Subali Noto; Irmawati Liliyana Kusuma Dewi
International Journal of Educational Research Excellence (IJERE) Vol. 3 No. 2 (2024): July-December
Publisher : PT Inovasi Pratama Internasional

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55299/ijere.v3i2.1154

This research aims to analyze students' combinatorial thinking skills after using learning worksheets on enumeration rules. This research aims to provide solutions by applying learning materials to improve students' combinatorial thinking skills in solving math problems. The research method used is qualitative research. The research technique in this case is to use data triangulation. The purpose of triangulation is to increase the validity and reliability of research findings by confirming or complementing findings from various sources or perspectives. The results in this study are the diversity of the fulfillment of indicators in the ability to think combinatorics, including students with the S-1 category can fulfill all indicators of combinatorics thinking ability. Students in the S-2 category only fulfill 1 indicator of combinatorics thinking ability. Students in the S-3 category could not fulfill all the indicators of combinatorics thinking ability.

KEMAMPUAN REPRESENTASI MATEMATIS DITINJAU DARI GAYA BELAJAR SISWA SMA DI KOTA CIREBON DALAM MENYELESAIKAN MASALAH SPLDV dan SPtLDV Nur Komalasari; Sri Winarsih; Anggita Maharani; Muchamad Subali Noto
International Journal Of Humanities Education and Social Sciences (IJHESS) Vol 4 No 3 (2024): IJHESS DECEMBER 2024
Publisher : CV. AFDIFAL MAJU BERKAH

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55227/ijhess.v4i3.1379

This study aims to analyze the characteristics of students with visual, auditory and kinesthetic learning styles in solving SPLDV and SPtLDV problems. The research method taken is a qualitative research method. Qualitative research is carried out by means of observation, interviews, or document review. The results of this study are the characteristics of thirty-six students obtained that students who have symbolic representation skills are twelve students (33.33%) with five students (13.89%) having a kinesthetic learning style, three students (8.33%) having an auditory learning style, and four students (11.11%) having a visual learning style. Then students who had verbal representation skills were ten students (27.78%) with four students (11.11%) having a kinesthetic learning style, five students (13.89%) having an auditory learning style, and one student (2.78%) having a visual learning style. The students who had visual representation skills were fourteen students (38.89%) with four students (11.11%) having a kinesthetic learning style, one student (2.78%) having an auditory learning style, and nine students (25%) having a visual learning style.

Augmented Reality and Its Use in Elementary School Education: A Systematic Literature Review Tarmidzi, Tarmidzi; Andari, Kadek Dewi Wahyuni; Sari, Atikah; Nuryanti, Mira; Arfiyanti, Riskha; Noto, Muchamad Subali
Jurnal Prima Edukasia Vol. 13 No. 1 (2025): January 2025
Publisher : Asosiasi Dosen PGSD dan Dikdas Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21831/jpe.v13i1.75094

Learning in elementary schools, in this era of information technology development, should ideally utilize existing technology to enhance students' motivation and interest in learning. Ultimately, this can address learning issues and improve students' understanding and thinking abilities. This study aims to determine augmented reality's contribution and practical implications in elementary school education. This research used a Systematic Literature Review (SLR) with a selection of 29 articles related to the use of augmented reality in elementary school education. The PRISMA (Preferred Reporting Items for Systematic Review and Meta-Analysis) method is employed for article searches in this research. The PRISMA method consists of four stages: (1) data search; (2) data screening; (3) data eligibility; (4) identifying similarities and differences from the obtained data. Based on the review results, it is evident that augmented reality positively contributes to various subjects and can be integrated with games and STEM education. Augmented reality also has excellent practical implications in education because it can increase students' motivation, interest, understanding, and critical and creative thinking abilities. Augmented reality is also capable of enhancing students' 21st-century skills.

Co-Authors A Arcat Aay Susilawati Aminah Aminah Amiruddin, Mohd. Hasril Andari, Kadek Dewi Wahyuni Anggita Maharani Anggraini, Lilis Marina Anisyah Pratiwi Putri Annis Deshinta Ayuningtyas Artisa Indariani Astri Wahyuni Astri Wahyuni Aulia Sthephani Ayni, Nur Ayu Nur Hikmah Bilkis, Cahaya Cahyadi, Muhammad Helmi Cita Dwi Rosita Dadan Sundawan Dede Syaefullah Dede Trie Kurniawan Defi Supriyati, Ayu Deni Aprilia Dianne Amor Kusuma Dianne Amor Kusuma Difa Aziza Durohman Durohman DWI RAHMAWATI Ena Suhena Praja Erawati, Turini Estiyan Dwipriyoko Fatkhurohman Fatkhurohman Firda Luthfiatika Jannah Fuji Azzumar Hafizatunnisa, Hafizatunnisa Hamdani Syaputra Handayani, Via Dwi Handayani, Via Dwi Henri Purwono Herri Mulyono Hikmah, Ayu Nur Ika WAHYUNI Ika Wahyuni Ika WAHYUNI Imran Nursiddik Indariani, Artisa Iqbal Taufik Irmawati Liliyana Kusuma Dewi Jarnawi Afgani Dahlan Kurniawan, Dede Tri Kurniawan Kusnandi Kusnandi Laelasari Laelasari Laelasari, Laelasari Lilis Marina Lilis Marina Angraini Lilis Marina Angraini Lukman Harun M. Dadan Sundawan MARTINI Marwia Tamrin Bakar Mohammad Dadan Sundawan, Mohammad Dadan Mohammad Fatchurrohman Mohd Hasril Amiruddin Mohd Hasril Amiruddin Muhammad Helmi Cahyadi Nanang Priatna Nelly Maâ€™rifat Sanusi Neneng Aminah Neneng Aminah Nur Ayni Nur komalasari Nurul Ikhsan Karimah Nuryanti, Mira Pangestu, Aditya Pipin Sumarni Praja, Ena Suhena Purwono, Henri Pusparani, Nilam Putri Wahyuni Putri, Anisyah Pratiwi Rahadi, Ikman Nurhakim Rahmadani, Rhaesa Fadillah Reni Wahyuni Resmi Darni Resti Yuliani Rian Nazaruddin Azhar Riskha Arfiyanti Samsul Maarif Sari, Atikah Setiyani Setiyani Setiyani Siska Firmasari Siti Maemunah Sohibun -, Sohibun Sri Adi Widodo Sri Asnawati Sri Sumarwati Sri Winarsih Suherman Suherman Suherman Suherman Surya Amami Pramuditya Surya Amami Pramuditya Surya Amami Pramuditya Tarmidzi Tonah Tonah Toto Subroto Tri Nopriana Trisna Roy Pradipta Trisna Roy Pradipta, Trisna Roy Via Dwi Handayani Via Dwi Handayani Wahyu Hartono Wahyu Hartono Wahyu Hartono, Wahyu Wahyu Hidayat Wahyu Hidayat Wulandari, Ghina Antania Yaya Sukjaya Kusumah Yudrick Maulana Fiqri Yuliani, Resti Yulyanti Harisman Yusida Gloriani

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