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All Journal Cakrawala Pendidikan Jurnal Pendidikan Matematika Jurnal Matematika Jurnal Pendidikan Matematika Undiksha Jurnal Pendidikan Sains Journal of Education and Learning (EduLearn) Journal on Mathematics Education (JME) Journal on Mathematics Education (JME) AKSIOMA: Jurnal Program Studi Pendidikan Matematika SIGMA: Jurnal Pendidikan Matematika JIPM (Jurnal Ilmiah Pendidikan Matematika) Phenomenon : Jurnal Pendidikan MIPA Edu Sains: Jurnal Pendidikan Sains dan Matematika EDU-MAT: Jurnal Pendidikan Matematika Edumatsains Journal of Research and Advances in Mathematics Education Jurnal Pendidikan: Teori, Penelitian, dan Pengembangan JPPM (JURNAL PENELITIAN DAN PEMBELAJARAN MATEMATIKA) AKSIOMA Al-Jabar : Jurnal Pendidikan Matematika NUMERICAL (Jurnal Matematika dan Pendidikan Matematika) Briliant: Jurnal Riset dan Konseptual Prosiding SI MaNIs (Seminar Nasional Integrasi Matematika dan Nilai-Nilai Islami) Jurnal Kajian Pembelajaran Matematika JRPM (Jurnal Review Pembelajaran Matematika) JMPM: Jurnal Matematika dan Pendidikan Matematika PRISMA Juring (Journal for Research in Mathematics Learning) IndoMath: Indonesia Mathematics Education INSPIRAMATIKA Muallimuna : Jurnal Madrasah Ibtidaiyah Communications in Science and Technology JTAM (Jurnal Teori dan Aplikasi Matematika) International Journal on Emerging Mathematics Education MENDIDIK: Jurnal Kajian Pendidikan dan Pengajaran Premiere Educandum: Jurnal Pendidikan Dasar dan Pembelajaran AXIOM : Jurnal Pendidikan dan Matematika Jurnal Cendekia : Jurnal Pendidikan Matematika Prima: Jurnal Pendidikan Matematika SIGMA ANARGYA: Jurnal Ilmiah Pendidikan Matematika Math Educa Journal Jurnal Penelitian dan Pengkajian Ilmu Pendidikan: e-Saintika International Journal of Insights for Mathematics Teaching (IJOIMT) Mandalika Mathematics and Educations Journal MATHEMA: JURNAL PENDIDIKAN MATEMATIKA International Journal of Humanities and Innovation (IJHI) Mosharafa: Jurnal Pendidikan Matematika Al Hikmah: Journal of Education Eduvest - Journal of Universal Studies Jurnal Penelitian Pendidikan Indonesia Jurnal Pendidikan Progresif Media Pendidikan Matematika Indonesian Journal on Learning and Advanced Education (IJOLAE)
Subanji Subanji
Universitas Negeri Malang
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Algebraic thinking skills of madrasah tsanawiyah (MTs) students in solving algebraic problems Daroini, Mustain Bagus; Subanji, Subanji; Irawati, Santi
AXIOM : Jurnal Pendidikan dan Matematika Vol 14, No 1 (2025)
Publisher : Universitas Islam Negeri Sumatera Utara Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30821/axiom.v14i1.18461

Abstract

Algebra is a fundamental topic in the mathematics curriculum at Madrasah Tsanawiyah (MTs), yet many students continue to face challenges in solving algebraic problems. This study aims to examine the algebraic thinking skills of eighth-grade students at MTs Unggulan PP Amanatul Ummah Surabaya, particularly through number-oriented and structure-oriented approaches. A descriptive qualitative method was employed, involving 61 students as participants. The instruments included an algebraic thinking test incorporating visual illustrations and in-depth interviews with six selected students representing high, medium, and low ability levels. The findings reveal that only high-ability students were able to effectively apply structure-oriented algebraic thinking. The majority of students demonstrated moderate-level skills, with primary difficulties in constructing mathematical models based on problem structures. These results underscore the importance of instructional strategies that cultivate students’ structural reasoning in algebra. The study provides valuable insights for educators to design learning activities that support the development of students' algebraic thinking, and it serves as a reference for future research to explore targeted interventions aimed at enhancing algebraic problem-solving abilities in MTs students.
Students' Thinking in Solving Integer Problems Based on APOS Theory in View of Gender Putri, Nanda Azzahra; Subanji, Subanji; Sulandra, I Made
PRISMA Vol 14, No 1 (2025): PRISMA
Publisher : Universitas Suryakancana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35194/jp.v14i1.4459

Abstract

This research aims to describe the thinking of male and female students in solving whole number problems based on APOS theory. This descriptive qualitative research was conducted with two subjects, namely one subject with male gender and one subject with female gender. Both subjects are students with high mathematics ability. Subject selection was carried out using purposive sampling. Subjects were selected based on the scores obtained on the math problem test sheet. This research was conducted at one of the State Junior High Schools in Malang Regency. The instruments used in this study were math problem test sheets on integers and interviews. The results showed that: 1) Male students are able to fulfill all thinking indicators in each APOS mental structure in solving problems. Male students solve math problems through mental structures of action, process, object, and scheme; 2) Female students are able to fulfill all thinking indicators on each APOS mental structure in solving problems. Female students solve math problems through action, process, object and scheme mental structures.
Using APOS Theory Framework: Why Did Students Unable To Construct a Formal Proof? Syamsuri, Syamsuri; Purwanto, Purwanto; Subanji, Subanji; Irawati, Santi
International Journal on Emerging Mathematics Education IJEME, Vol. 1 No. 2, September 2017
Publisher : Universitas Ahmad Dahlan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12928/ijeme.v1i2.5659

Abstract

Mathematical thinking is necessary in mathematics learning especially in college level. One of activities in undergraduate mathematics learning is proving. This article describes students' thinking process who unable to construct mathematical formal proof. The description uses APOS Theory to explore students' mental mechanism and students' mental structure while they do proving. This research is qualitative research that conducted on students majored in mathematics education in public university in Banten province, Indonesia. Data was obtained through asking students to solve proving-task using think-aloud and then following by interview based task. Results show that the students could not construct a formal proof because they unable to appear encapsulation process. They merely enable to think interiorization and coordination. Based on the results, some suitable learning activities should designed to support the construction of these mental mechanism.
INTERFERENSI PROAKTIF DAN RETROAKTIF DALAM MENYELESAIKAN MASALAH PERBANDINGAN SENILAI DAN BERBALIK NILAI Malik, Fatus Atho'ul; Purwanto, Purwanto; Subanji, Subanji
AKSIOMA: Jurnal Program Studi Pendidikan Matematika Vol 14, No 2 (2025)
Publisher : UNIVERSITAS MUHAMMADIYAH METRO

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24127/ajpm.v14i2.6377

Abstract

Interferensi berpikir merupakan fenomena yang terjadi ketika dua informasi tercampur dalam proses pemecahan masalah matematika, khususnya pada topik perbandingan senilai dan berbalik nilai. Fenomena ini penting untuk diteliti karena konsep perbandingan berkaitan erat dengan konsep matematika lainnya. Penelitian ini bertujuan untuk mengungkap terjadinya interferensi berpikir siswa dalam menyelesaikan masalah perbandingan senilai dan berbalik nilai. Subjek dalam penelitian ini terdiri dari dua siswa kelas VII A dan VII B yang terindikasi mengalami interferensi proaktif dan retroaktif. Penelitian ini dilaksanakan di MTs Sunan Kalijogo Kota. Metode penelitian ini adalah deskriptif kualitatif. Hasil dari penelitian ini menunjukkan intereferensi retroaktif terjadi ketika konsep perbandingan senilai dipengaruhi konsep perbandingan berbalik nilai. Hal tersebut dikarenakan kemiripan prosedur perbandingan senilai dan berbalik nilai. Akibantnya, siswa menggunakan prosedur perbandingan berbalik nilai dalam menyelesaikan permasalahan perbandingan senilai. Sedangkan, interferensi proaktif terjadi ketika konsep perbandingan senilai mempengaruhi konsep perbandingan berbalik nilai. Hal tersebut dikarenakan memori siswa terhadap perbandingan senilai lebih kuat daripada perbandingan berbalik nilai. Akibatnya, Akibantnya, siswa menggunakan prosedur perbandingan senilai dalam menyelesaikan permasalahan perbandingan berbalik nilai.In solving mathematics problems, sometimes students make errors caused by mixing two pieces  information. This phenomenon is known as interference. One of the problems can cause interference is the problem of directly proportional and inversely proportional. Interference in solving the problem of directly proportional and inversely proportional is importent to know because the concept of proportional is related to other mathematical concepts. This research aims to reveal the occurence of students’ thinking interference in solving the problem of directly proportional and inversely proportional. The subjects in this reserach consisted two of students in class VII A and VII B who had indications of experiencing proactive and retroactive interference. This research  was conducted at MTs Sunan Kalijogo Malang City from 1 to 30 september 2022. The research method is descriptive qualitative. The results of this research show that retroactive interference occurs when the concept of directly proportional is disturbed by the concept of inversely proportional. It is based on similarity the procedure in problem solving of directly proportional and inversely proportional. As a result, students use the procedure of inversely proprotional for solving the problem of directly proportional. While proactive interference when the concept of directly proportional disturbes the concept of inversely proportional.  This is because students' memory for direct proportion is greater than indirect proportion. As a result, students use the procedure of directly proprotional for solving the problem of inversely proportional.
Metacognitive Failure in Constructing Proof and How to Scaffold it Wulan, Eka Resti; Subanji, Subanji; Muksar, Makbul
Al-Jabar: Jurnal Pendidikan Matematika Vol 12 No 2 (2021): Al-Jabar: Jurnal Pendidikan Matematika
Publisher : Universitas Islam Raden Intan Lampung, INDONESIA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24042/ajpm.v12i2.9590

Abstract

This research aims to describe the students’ metacognitive failure in constructing proof and the scaffolding support. The participants of this qualitative case study were eight preservice mathematics teachers of six-semester, State University of Malang. We carried out a test about proof construction problems in Abstract Algebra. Then we verified the data using triangulation of constant comparative method from a test and a task-based interview with the stimulated recall. The results indicated two groups of students in proving strategy.  Group I performed “appropriate” syntactic strategy and Group II vice versa. Blindness was experienced by the subject that does not recognize errors detection or the ambiguity of the proof. Mirage occurred when the subject recognizes an error detection on the proper strategy or application of a theorem, then is unable to verify the truth of his work. Misdirection appeared when the subject recognizes a lack of progress, then uses an incomplete or irrelevant concept. Vandalism emerged with no progress or detection of errors of the strategy then the subject performs some irrelevant steps to the issue or uses a misconception. Practically, the teachers can use these results for learning innovations in scaffolding-based proof courses. The scaffolding might need some development and application in supporting students to overcome difficulty in proving mathematical sentences. 
Analisis Penerapan Inkuiri Secara Daring dengan Scaffolding Berbantuan Geogebra Materi Fungsi Kuadrat Mufidha, Nurul; Subanji, Subanji
JRPM (Jurnal Review Pembelajaran Matematika) Vol. 7 No. 2 (2022)
Publisher : Department of Mathematics Education, Faculty of Tarbiyah and Teacher Training, UIN Sunan Ampel Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15642/jrpm.2022.7.2.124-146

Abstract

This study aims to analyze and describe the application of online inquiry learning with the GeoGebra-assisted scaffolding technique on quadratic function material in grade IX students at SMP Negeri 1 Malang. This research is a qualitative descriptive study, with the instruments used in the form of a learning implementation sheet, student activity sheets, student learning outcomes tests, questionnaires, and interviews. The results showed that learning according to the steps of inquiry had gone very well with an average implementation score of 94.5. Learning is carried out by scaffolding through questions directed at focusing, inviting, reminding, clarifying, and evaluating so that it is compatible with inquiry learning which is applied online. Student learning outcomes reached an average score of 73 daily tests in the good category.
Analysis Of Student Positioning In Group Discussions On The Material Of Functional Relations To Students Activeness Jennah, Mufliatul; Subanji, Subanji
Phenomenon : Jurnal Pendidikan MIPA Vol. 14 No. 1 (2024): Jurnal Pendidikan MIPA
Publisher : Faculty of Science and Technology, Universitas Islam Negeri Walisongo Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21580/phen.2024.14.1.21058

Abstract

Group discussions are an effective teaching method for enhancing collaboration and student understanding through social interaction. In this process, each group member not only contributes ideas but also actively positions themselves within the group's social structure. Positioning theory explains that the position one adopts during interactions, whether consciously or unconsciously, influences roles, power, and the dynamics of the discussion, ultimately affecting the outcomes and contributions of each member. This research aims to describe the patterns of student positioning in group discussions on the topic of function relations. The research method employed is qualitative descriptive. Data were collected by recording group discussion-based learning over four sessions, then two groups were selected for further analysis of the interactions during the discussions. Positioning theory demonstrates how students position themselves based on the interactions during group discussions. The research reveals that novice students tend to participate passively, facilitator students play a role in providing for the needs of the discussion, while expert students often make statements to provide information. There is a change in student positioning from expert to beginner, beginner to expert, facilitator to beginner, and beginner to facilitator. Additionally, some expert students and facilitator students consistently maintain their respective positions.
Analisis Kemampuan Berpikir Kritis Matematis Siswa Pada Pembelajaran Problem Posing Andriani, Ruli; Subanji, Subanji; As'ari, Abdur Rahman
BRILIANT: Jurnal Riset dan Konseptual Vol 6 No 3 (2021): Volume 6 Nomor 3, Agustus 2021
Publisher : Universitas Nahdlatul Ulama Blitar

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (15.984 KB) | DOI: 10.28926/briliant.v6i3.652

Abstract

Penelitian ini bertujuan untuk mendeskripsikan kemampuan berpikir kritis siswa pada pembelajaran problem posing. Penelitian ini dilakukan di MA Unggulan Mamba’ul Huda kelas XI MIA. Metode penelitian yang digunakan adalah deskriptif dengan pendekatan kuantitatif. Instrumen yang digunakan pada penelitian ini yaitu soal tes dan wawancara mendalam. Hasil penelitian menunjukkan bahwa kemampuan interpretasi, inferensi dan evaluasi memiliki nilai 80,05; 79,75; dan 78,17 dengan kriteria baik. Sedangkan kemampuan analisis memiliki nilai 68,18 dengan kriteria cukup. Kemampuan berpikir kritis siswa secara keseluruhan, pada kategori tinggi mencapai persentase 33,3 %, kategori sedang dengan persentase 44,5 % dan kategori rendah mencapai 22,2 %.
Analisis Aktivitas Diskusi Kelompok dalam Memberikan Umpan Balik (Feed Back) pada Pembelajaran Program Linier Budi, Bhakti Setya; Susiswo, Susiswo; Subanji, Subanji
BRILIANT: Jurnal Riset dan Konseptual Vol 6 No 4 (2021): Volume 6 Nomor 4, November 2021
Publisher : Universitas Nahdlatul Ulama Blitar

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (39.003 KB) | DOI: 10.28926/briliant.v6i4.680

Abstract

Penelitian ini bertujuan untuk mendeskripsikan aktivitas diskusi yang dilakukan siswa dalam kelas. Aktivitas yang diteliti meliputi aktivitas verbal guru, aktivitas verbal siswa, serta aktivitas umpan balik yang dilakukan guru dan siswa. Jenis penelitian ini adalah penelitian deskriptif. dengan materi Program Linier. Metode pengambilan data dengan menggunakan video rekaman pembelajaran kemudian dibuat transkrip percakapan. Hasil penelitian menunjukkan bahwa dengan model pembelajaran diskusi kelompok yang diintegrasikan dengan umpan balik dapat memberi kesempatan siswa belajar dari ide/gagasan orang lain dan dapat segera mengatasi kesulitan yang dialami serta dapat memperkuat keyakinan atas tanggapan yang benar. Siswa belajar bagaimana berkomunikasi, menghargai orang lain dalam berpendapat, serta bagaimana membuat keputusan.
Students’ Conjectures on Open Classical Analogy Problem: Expanding or Narrowing? Rosyidi, Abdul Haris; Sa’dijah, Cholish; Subanji, Subanji; Sulandra, I Made
Jurnal Pendidikan Progresif Vol 14, No 1 (2024): Jurnal Pendidikan Progresif
Publisher : FKIP Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Abstract: Students' Conjectures on Open Classical Analogy Problem: Expanding or Narrowing?. Objectives: This study aims to describe students' mathematical conjecture in the context of open classical analogy problem. Methods: This descriptive research describes students' conjectural profiles using open classical analogies. Data were collected from the responses of 68 students. Data analyzed using constructor example, process, and quality of the conjecture. Findings: Results show that the example of constructing the conjecture has not paid attention to all possible cases, while the process of the conjecture used by students was from simple to more expanding or narrowing. Some of the proposed conjecture quality does not include the necessary constraints, and some include unnecessary limitations. Students can add to statements that sharpen the conjecture proposed previously. Conclusion: The results of this study indicate that in the construction of conjectures in the context of an open classical analogy, students involve their critical thinking skills. Keywords: conjecture, example, open classical analogy, process, quality of conjecture.DOI: http://dx.doi.org/10.23960/jpp.v14.i1.202419
Co-Authors Abdul Haris Rosyidi Abdur Rahman As’ari Abdur Rohim Abdur Rohim, Abdur Abdurrahim Arsyad Afin Nur Latifa Agung Prasetyo Abadi Agus Prianto Ahmad Farid Haebah Akbar Sutawidjadja Akbar Sutawidjaja Akbar Sutawidjaja, Akbar Alhikma, Nur Alaviyah Alif Mudiono Alip Rahmawati Zahrotun Nisak Alyani, Nabila Nur Amalia Silwana Ana Fitriah ANDRIANI, RULI Anggraini Dwi Ikhwani Anggraini, Elisa Annisa Andika Karisa Ari Kusuma Sulyandari Aribowo, Bayu Exsanty Arif Rahman Hakim Arifah Adlina Rashahan Astuti, Ririn Novia Atiqa Firdaus Aulia Nadia Sari Barep Yohanes Bhakti Setya Budi Budi, Bhakti Setya Cholis Sa’dijah Chusnul Ma'rifah Chusnul Ma'rifah Daroini, Mustain Bagus Deni Hamdani Desi Rahmadani Dian Kurniati Didimus Nuham, Didimus Dimas Femy Sasongko Dwiyana Dwiyana Dwiyana Dwiyana Dyah Ayu Pramoda Wardhani Dyah Triwahyuningtyas Dyah Triwahyuningtyas Edy Bambang Irawan Eka Resti Wulan Eko Waluyo Elli Kusumawati Endang Trinoviawati Erry Hidayanto Evidiasari, Serli Fadhil Zil Ikram Feriyanto Feriyanto Feriyanto Feriyanto HAFIIZH, MOCHAMMAD Hamdani, Deni Hamdani, Deni Hery Susanto Hery Susanto Hidayati, Vivi Rachmatul I Gusti Agung Shomia Anjali I Ketut Suada I Made Sulandra I Nengah Parta Iffanna Fitrotul Aaidati Ika Santia Imam Rofiki Indah Syafitri T Indriati Nurul Hidayah Intan Sari Rufiana Ipung Yuwono Iqbal Ramadani Irawati, Santi Irna Natalis Sanit Isfina Adiyah Ishmatul Maula, Ishmatul Ismatul Maula Jennah, Mufliatul Kadek Adi Wibawa Karolin Natalia T Khair, Muhammad Sa'duddien Khalimatus Syuhriyah Laelinatul Choeriyah Laelinatul Choeriyah Laily Wijayanti Utami Lamowa, Rachmad Abubakar Lestary, Ratnah Lydia Lia Prayitno Makbul Muksar Malik, Fatus Atho'ul Manyunu, Muhamatsakree Martha Lestari Mega Fatimah Rosana Miftachus Sururoh Mohammad Dadan Sundawan Mufidha, Nurul Muhamatsakree Manyunu Muhammad Ainur Rizqi Muhammad Irfan Muhammad Irfan Muksar Makbul Muniroh Novisa Nabilah Mansur Nathasa Pramudita Irianti Nathasa Pramudita Irianti, Nathasa Pramudita Netti, Syukma Netti Syukma Ningtyas, Yoga Dwi Windy Kusuma Ninik Mutianingsih, Ninik Novi Nurhayati Novisa, Muniroh Nur Fitri Amalia Nur Hasan Nur Indah Permata Sari Nurul Mufidha Nury Azkiya Umamy Permadi, Hendro Puguh Darmawan Punaji Setyosari Purwanto Purwanto Purwanto Purwanto Purwanto Purwanto Purwanto Purwanto Purwanto, Purwanto Puspita Ayu Damayanti Putri Ariningtyas Putri, Nanda Azzahra Qohar, Abd. Rashahan, Arifah Adlina Refni Adesia Pradiarti Risa Utaminingsih Rizky Nova Damayanti Ruli Andriani Rustanto Rahardi Sandie Sartati, Setiawan Budi Satriya Adika Arif Atmaja Satriya Adika Arif Atmaja Sa’dijah, Cholish Selfia Putri Selly Meinda Dwi Cahyaningsih Serli Evidiasari Serli Evidiasari Setiawan Budi Sartati Silwana, Amalia Sisworo Siti Salina Mustakim Sri Mulyati Sri Mulyati Sri Subarinah Sri Untari Stefani Putri Andrianti Suci Yuniati Sudirman Sudirman Sudirman Sudirman Sukorianto Sukorianto Sukoriyanto Suryaningrum, Christine Wulandari Susiswo Sutawdjaja, Akbar Sutawidjadja, Akbar Swasono Rahardjo Swasono Raharjo Swastika, Galuh Tyasing Syamsiar, Syamsiar Syamsul Hadi Syamsuri Syamsuri Syamsuri Syamsuri Syamsuri Syamsuri, Syamsuri Syarifudin Syarifudin Syita Fatih 'Adna Taufiq Hidayanto Tjang Daniel Chandra Toto Nusantara Umamy, Nury Azkiya Umardiyah, Fitri umi faizah Viving Laila Wahyu Santoso Wahyuningtiyas, Kharisma Wardhani, Indah Setyo Wasti Tampi Wasti Tampi Wulan Anindya Wardhani Yandi Raharjo, Eko Yanna Purwitaningsih Yoga Dwi Windy Kusuma Ningtyas Yoggy Febriawan Yunda Devana Tiningsih Yundari, Yundari ‘Adna, Syita Fatih