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PROFIL PEMECAHAN MASALAH SISWA SMP NEGERI 1 PALASA DALAM MENYELESAIKAN SOAL PROGRAMME FOR INTERNATIONAL STUDENT ASSESSMENT (PISA) KONTEN QUANTITY: Profile of Problem Solving of SMP Negeri 1 Palasa in Solving Problem of Programme for International Student Assessment (PISA) Content Quantity Yulviyana Yulviyana; Baharuddin Paloloang; Dasa Ismaimuza
Jurnal Elektronik Pendidikan Matematika Tadulako Vol. 12 No. 3 (2025): Jurnal Elektronik Pendidikan Matematika Tadulako (JEPMT)
Publisher : Universitas Tadulako

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22487/jepmt.v12i3.2872

Abstract

The purpose of this research is to identify the problem-solving profile of junior high school students as they solve PISA problems with a quantity content. The type of this Research is descriptive research with qualitative approach. There were two students in this research as subject, both having high and medium ability levels. Data were collected by test and interview methods. Problem solving in this research refers to Polya's problem solving steps. The results of the research show: (1) At the step of understanding the problem, students with high and medium ability levels can identify things that are known and asked at the given problem; (2) At the step of devising a problem-solving plan, students with high and medium ability levels can explain the problem-solving plan and relate it to what is known and asked about the problem so that it leads to problem solving; (3) At the step of carrying out  the problem-solving plan, students with high and medium ability levels can write down the steps of completion based on the solution plan that has been made and obtain the final result; (4) At the step of looking back  the process and results of problem solving, students with high and medium ability levels can adjust the answers obtained with the questions asked in the problem and can make conclusions at the end of solving the problem.
ANALISIS REPRESENTASI MATEMATIS PADA MATERI SISTEM PERSAMAAN LINEAR DUA VARIABEL DI SMP NEGERI 1 SIGI DITINJAU DARI PERBEDAAN GENDER: Analysis of Mathematical Representation in a Linear Equation System with Two Variables Material at SMP Negeri 1 Sigi Reviewed from Gender Differences Nugroho Alfarizi; Baharuddin Paloloang; Dasa Ismaimuza; Pathuddin Pathuddin
Jurnal Elektronik Pendidikan Matematika Tadulako Vol. 12 No. 3 (2025): Jurnal Elektronik Pendidikan Matematika Tadulako (JEPMT)
Publisher : Universitas Tadulako

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22487/jepmt.v12i3.3997

Abstract

This study aims to obtain a description of students' mathematical representation in solving problems of two-variable linear equation systems in grade IX students at SMP Negeri 1 Sigi based on gender differences. This type of research is descriptive research with a qualitative approach. The subjects in this study were 2 students, including male and female students with moderate mathematical abilities. The results of this study indicate that (1) In the visual representation indicator, male students can already represent problems in the form of tables, but have not been able to make solution graphs, while female students cannot represent the problems given in the form of pictures/graphs to solve problems. (2) In the verbal representation indicator, male students have errors in writing several words, while female students have deficiencies in making efficient sentences, but can explore the answers further during the interview. (3) In the symbol representation indicator, male students can represent the given problem into a mathematical expression to find the right solution, while female students cannot solve the problem completely.  
ANALISIS KESALAHAN SISWA KELAS VII SMP NEGERI 19 PALU DALAM MENYELESAIKAN SOAL PERSAMAAN LINEAR SATU VARIABEL (PLSV) Elis Safira Karindah; Dasa Ismaimuza; Rita Lefrida; Baharuddin Paloloang
Jurnal Elektronik Pendidikan Matematika Tadulako Vol. 13 No. 1 (2025): Jurnal Elektronik Pendidikan Matematika Tadulako (JEPMT)
Publisher : Universitas Tadulako

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22487/jepmt.v13i1.4298

Abstract

This study is a descriptive study with a qualitative approach that aims to describe and examine students' errors in solving linear equations of one variable (PLSV) based on Newman's stages and their causes. This data was collected through written assignments and interviews. The subjects of this study were students of class VII b at SMP Negeri 19 Palu. The informants in this study were three students of class VII b with each student having high ability, one student having medium ability, and one student having low ability at SMP Negeri 19 Palu who made the most errors. The results of this study indicate that the types of errors made by students are: (1) reading errors, (2) understanding errors, (3) transformation errors, (4) pcess skill errors, and (5) errors in writing answers. The factors causing the errors made by students are: (1) students are not careful in working on the questions. (2) students are unable to read words or recognize symbols in the questions (3) do not know the steps in solving the questions (4) students are in a hurry when solving the questions. (5) students do not understand the material being studied.
STUDENTS’ SPATIAL LITERACY IN GEOMETRIC TRANSFORMATIONS BASED ON VAN HIELE LEVELS OF THINKING Jufri, Muhammad; Mallo, Bakri; Ismaimuza, Dasa; Nasir, Rahma; Fadli, Mohammad
JME (Journal of Mathematics Education) Vol 11, No 1 (2026): JME (January - June)
Publisher : Universitas Sembilanbelas November Kolaka

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31327/jme.v11i1.2620

Abstract

This study aims to describe students’ spatial literacy based on the Van Hiele levels of thinking in the topic of geometric transformations among eleventh-grade students at MAN 2 Palu. This research employed a descriptive qualitative approach with three students from class XI C as the subjects, selected based on the results of the Van Hiele thinking level test, each representing the visualization, analysis, and informal deduction levels. Data were analyzed using qualitative data analysis procedures. The findings show that students’ spatial literacy varies according to their thinking levels. Students at level 0 (visualization) have fairly good visualization skills but remain weak in reasoning and communication. Students at level 1 (analysis) demonstrate good spatial literacy in terms of visualization and reasoning, although their communication skills are not yet supported by logical justification. Students at level 2 (informal deduction) show strong spatial literacy across all indicators, including visualization, reasoning, and communication. Overall, the results indicate that higher Van Hiele thinking levels correspond to higher spatial literacy in solving geometric transformation problems.
Design and Formative Validation of a Guided Discovery Learning Model Integrated with Motivation to Reasoning and Proving Tasks Musdalifah, Selvy; Sudarsana, I Wayan; Sukayasa; Ismaimuza, Dasa; Rochaminah, Sutji; Nurhayadi
Jurnal Penelitian Pendidikan IPA Vol 12 No 2 (2026)
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v12i2.13909

Abstract

This study develops and evaluates an instructional model that integrates Guided Discovery Learning with Mathematical Reasoning and Proving (MRP) Tasks to support undergraduate students’ construction of mathematical proofs in Real Analysis. The research focuses on two foundational criteria in instructional development, namely validity and practicality. Expert review involving five specialists produced high Aiken V and ICC values, indicating strong conceptual coherence, structural alignment, and reliability of judgment across components of the model. Practicality was examined through one to one evaluation, small group testing, and a field implementation involving lecturers and students. Across these stages, the model received high ratings for clarity of instructional flow, readability of tasks, feasibility of classroom enactment, and support for structured reasoning processes. The findings demonstrate that the model is both theoretically sound and operationally feasible, providing a coherent pedagogical trajectory that guides learners from exploration toward formal proof construction. This study contributes a validated instructional model and establishes a foundation for future research on its effectiveness and broader applicability in advanced mathematics learning.
Profiling students’ mathematical reasoning in the alkhairaat context using rasch analysis: A mixed-methods study Wahyuni, Dewi Sri; Tahril; Ismaimuza, Dasa; Pathuddin; Mustamin Idris; Hadi, Windia
Journal of Advanced Sciences and Mathematics Education Vol. 6 No. 1 (2026): Journal of Advanced Sciences and Mathematics Education
Publisher : CV. FOUNDAE

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58524/jasme.v6i1.1098

Abstract

Background: Students’ mathematical reasoning is often limited by their difficulty in linking abstract mathematical concepts with meaningful real-life contexts. In many classrooms, mathematics is perceived as disconnected from students’ sociocultural experiences, which can hinder the development of deeper reasoning processes. Aims: This study aims to profile students’ mathematical reasoning abilities within the Alkhairaat sociocultural context and to examine how contextual integration influences reasoning across different ability levels. Method: A sequential explanatory mixed-methods design was employed involving 33 eighth-grade students in a madrasah. Quantitative data were collected through a mathematical reasoning test embedded in the Alkhairaat context and analyzed using the Rasch measurement model (Ministep 5.10.4.0) to evaluate the instrument’s psychometric quality and map students’ reasoning abilities. Qualitative data were then obtained through clinical interviews to explore students’ cognitive processes when solving contextual problems. Results: Rasch analysis indicated acceptable psychometric properties, with item reliability of 0.67 and person reliability of 0.58. Wright Map analysis categorized students into three ability levels: high (12.12%), medium (66.67%), and low (21.21%). The findings show that the Alkhairaat context functions differently across ability levels: as a cognitive tool for abstraction among high-ability students, as procedural scaffolding for medium-ability students, and primarily as an affective anchor for low-ability students. Conclusion: Integrating sociocultural contexts such as Alkhairaat values can support mathematical reasoning by providing meaningful entry points for abstraction. However, its effectiveness depends on students’ initial proficiency, indicating the need for additional instructional support for lower-ability learners.
The Effect of GeoGebra-Based Instruction on Students’ Conceptual Understanding of Exponential Functions Earliand, Amalia Rasikhah; Alfisyahra, Alfisyahra; Hasbi, Muh; Ismaimuza, Dasa
Vygotsky: Jurnal Pendidikan Matematika dan Matematika Vol. 8 No. 1 (2026): Vygotsky: Jurnal Pendidikan Matematika dan Matematika
Publisher : Universitas Islam Lamongan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30736/voj.v8i1.1333

Abstract

Exponential functions pose conceptual challenges for secondary students due to their abstract nature. This quasi-experimental study investigated the effect of GeoGebra-based instruction on Grade 10 students’ conceptual understanding in two Indonesian senior high schools (N = 132). A validated four-item essay test (r > 0.219; Cronbach’s Alpha = 0.71) was administered before and after instruction. Mann–Whitney U analysis showed a significant difference in posttest conceptual understanding between the GeoGebra and conventional groups (p < .001), with a moderate-to-large effect size (r = 0.44). These results provide classroom-based empirical evidence that dynamic visualization through GeoGebra strengthens students’ conceptual understanding and supports its structured integration in conceptually demanding mathematics topics.
Co-Authors ., Author Abdul Hamid Abdul Hamid Afriana, Sinta Agus Rusmawan Ahmad Ahmad Akhyar H. M. Tawil Alfiliansi Alfiliansi, Alfiliansi Alfisyahra, Alfisyahra Ali, M. Tawil Made Ammar Abdullah Joni Guci Anak Agung Istri Sri Wiadnyani Andini, Riri Anggraini Anggraini Anggraini Anggraini Anggraini Anggun Pratiwi Annisa Arifa Nur Ayu Ariharno A. Lambause Arminda Sari Rosanti Arni Arni Ayu, Arifa Nur B, Satriana Unggu Baharuddin Paloloang Baharuddin Paloloang Bakri M Bakri Mallo Baso Amri Baso Amri Busra Busra Busra Busra Busra Busra, Busra Damayanthi, Mita Deliana Sapareng Deviana, Sri Dewi Sri Wahyuni, Dewi Sri Djaeng, Maxinus Earliand, Amalia Rasikhah Eka Surnyadewi Elis Safira Karindah Evie Awuy Evie Awuy Fadli, Mohammad Fajar Muqarrabin Fathurrahmah Abd. Gani Fatmawati Fatmawati Fatmawati, Fatmawati Febriani, Ismi Fitriana Gafur, Ma’ruf Abd Gandung Sugita Gani, Fathurrahmah Abd. Geofana, Jeane Gobel, Iis Ariska R. Guci, Ammar Abdullah Joni Hadija Hadija Hadija Hamsiar Hamsah Haryanto Haryanto Hasanuddin, Mutiah Hasbi, Muh Henita Rahmayanti Hindi Muchayarah Holyness Nurdin Singadimedja I Luh Restini I Nyoman Murdiana I Nyoman Murdiana I Wayan Sudarsana Ibni Hadjar Idrus Puluhulawa Irawati Irawati Irawati Ismi Febriani Iswandi Abdullah Jaeng , Maxinus Jaeng, Maxinus Jaeng, Maxinus Jaeng, Maxinus Jeane Geofana Jemamut, Natalia Kadek Widiastuti Kadima Kadima Khairunnisa Khairunnisa Khairunnisa Kolin, Regina Oli Ina Lamanja, Nurannisa S Lestari, Sayu Ketut Febri Linawati Linawati Linawati M. Tawil Made Ali M. Yogi Riyantama Isjoni Mansandi Hi. K. Diasamo Mariah Ulfa Marina Marnita Maryam Maryam Maryam Maxinus Djaeng Maxinus Djaeng Maxinus Jaeng Ma’ruf Abd Gafur Meinarni, Welli Meri Safitri M. Rasul Mirawati Mirawati Mirawati Miswadi Miswadi Mita Damayanthi ATT Muh Hasbi Muh Nursisto Muh. Rizal Muh. Rizal Muh. Rizal Muhammad Fachri B. Paloloang Muhammad Jufri Muhammad Rivai Musaddad, Ali MUSTAMIN IDRIS Mustamin Idris Mustamin Idris Mustamin Mustamin Mutmainna Nasir, Rahma Nitaleni Mentara Norma Yunita Nufriansyah, Rifki Nugroho Alfarizi Nur Afrianti Rudtin Nur Afrianti Rudtin Nur Afrianti Rudtin Nur Hayatin Nur Intan Nur janah, Nur Nurainun Nurainun Nurannisa S Lamanja Nurfidiya Nurfidiya Nurfidiya, Nurfidiya Nurhayadi Nurhayadi Nurmasita M. Saahi Nurseha NURSEHA NURSEHA Nurul Agmita L Paloloang, Muhammad Fachri B Paloloang, Muhammad Fachri B. Pathuddin Petra C. M. Sumampou Puluhulawa, Idrus Puluhulawa, Idrus Putri Vasra Handayani Rabiyatul Adawiyah Rachman, Romiandi Irwan Rahmayani, Risti Ratna Regina Oli Ina Kolin regina sintia Rinaldi Rita Lefrida Romiandi Irwan Rachman Rosyidah, Anni Syakhiyatur Rusmawan, Agus Rydwan Balo Safira Seftianingsih Lamalaka Sari, Nurhalisa Fitra Sarni Sarni Satriana Unggu B Sayu Ketut Febri Lestari Selvy Musdalifah Sinta Afriana Siti Maryam Sri Mastuti Suardi D. Arifat Suci Ramadhani Sudarman Bennu Sudarman Sudarman Sudarman Sudarman Sudarman Sudarman Sukayasa Sukayasa Sukayasa Sukri sukri Sukri, sukri Sumampou, Petra C. M. Sumampou, Petra C.M Surnyadewi, Eka Suryadi Suryadi Sutji Rochaminah Tahril Ulfa, Mariah Ummi Kalsum Violita Gracia Gracia Welli Meinarni Welli Meinarni Welli Meinarni Welli Meinarni Wenny Elpriliana Suryanti Widiastuti, Kadek Wijayasari, Windy Windia Hadi, Windia Windy Wijayasari Wunto, Cristovel Yulviyana Yulviyana Yunita, Norma