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Mustamin Idris
Pendidikan Matematika FKIP, Universitas Tadulako
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ANALISIS MISKONSEPSI PADA MATERI PECAHAN BENTUK ALJABAR DITINJAU DARI GAYA KOGNITIF SISWA KELAS VII SMP NEGERI 14 PALU Ainun Mardiah M. Liname; Mustamin Idris; I Nyoman Murdiana
Jurnal Elektronik Pendidikan Matematika Tadulako Vol. 9 No. 2 (2021)
Publisher : Universitas Tadulako

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Abstract

The purpose of this study is to describe students misconceptions on the material of algebraic fractions in terms of the cognitive style of seventh grade students of SMP Negeri 14 Palu. This type of research is descriptive qualitative research. The subjects of this study were 2 students consisting of one student who had a reflective cognitive style and one student who had an impulsive cognitive style, taken from 17 students of class VII Swallow at SMP Negeri 14 Palu. Misconceptions were identified using a written essay test accompanied by the Certainty of Response Index (CRI) method and interviews. The results of this study indicate that students who have reflective and impulsive cognitive styles experience misconceptions: (1) students misconceptions with reflective cognitive style occur in connecting between concepts of fractional division operations in algebraic forms, the cause of students misconceptions with reflective cognitive style comes from students wrong thinking and lack of student learning experience, (2) students misconceptions with impulsive cognitive style occur in using the concepts of addition and subtraction and the concept of adding integers, misconceptions in connecting between concepts and misconceptions in interpreting the concept of adding terms like algebraic forms, the cause of students misconceptions with impulsive cognitive style comes from students' wrong thinking, lack of accuracy of students in solving problems, lack of student learning experience and have a wrong understanding of the concept.
ANALISIS REPRESENTASI MATEMATIS SISWA DALAM MEYELESAIKAN PERMASALAHAN PROGRAM LINEAR DI SMA NEGERI MODEL TERPADU MADANI PALU I Gede Darma Wisilayasa; Mustamin Idris; Ibnu Hadjar
Jurnal Elektronik Pendidikan Matematika Tadulako Vol. 9 No. 3 (2022)
Publisher : Universitas Tadulako

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Abstract

This study aims to obtain a description of the results of student representation in solving linear programming problems at SMA Negeri Model Terpadu Madani Palu. This type of research is descriptive with a qualitative approach. The research subjects were selected based on the results of the students' mathematical ability tests which were then categorized based on high, medium and low mathematical abilities. The results of this study indicate that (1) Regarding the mathematical representation of the symbol form of students in the category of high mathematical ability (KST) (MD), students with the category of moderate mathematical ability (KSS) (NS) and students with low mathematical ability (KSR) (MF). ) is able to make equations, algebraic symbols, mathematical operations, mathematical models and solve problems involving mathematical expressions well. (2) In visual form, students both KST (MD), KSS students (NS) and KSR students (MF) have been able to present data or information from a representation to a graphical representation. While in tabular form, KSR students (MF) did not use tables to clarify problems and facilitate solutions. (3) Verbally KST students (MD) can write down the steps for solving math problems in words and answer questions using written or spoken text and draw conclusions correctly. Likewise, KSS students (NS) can also make good conclusions. However, KSR (MF) students for verbal representation are still lacking, KSR (MF) students rarely use and clarify solutions with verbal words or sentences and are often wrong in explaining the answers they get.
ANALYSIS OF STUDENT’ MISTAKES IN SOLVING PROBLEM ON PYTHAGORAS THEOREM AT SMP NEGERI PALU Mustamin Idris; Yuyun Selasti; Anggraini Anggraini; Gandung Sugita
JME (Journal of Mathematics Education) Vol. 9 No. 2 (2024): JME
Publisher : USN Kolaka

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31327/jme.v9i2.2059

Abstract

The purpose of this study is: to describe students' mistakes in solving Pythagorean Theorem problems at SMP Negeri 9 Palu using qualitative research methods. The subjects of this study were 3 students who were taken from 26 students who had studied the Pythagorean theorem. The selection of research subjects took into account: (1) these students made more mistakes; (2) different errors; (3) represent mistakes made by other students; (4) students' ability to communicate well and (5) recommendations from math teachers. Data collection techniques used are assignments and interviews. The analysis in this study uses Gagne's theory. The results of this study indicate that some of the mistakes students experienced in solving Pythagorean theorem problems were: (1) Subjects EN and SF made mistakes in using the Pythagorean theorem formula; (2) Subjects EN and SF made mistakes in writing mathematical symbols; (3) Subjects EN, MR and SF made mistakes in determining the hypotenuse of a right triangle; (4) Subjects EN, MR and SF made the mistake of not using the rank; (5) Subjects EN, MR and SF made mistakes in not writing down work procedures completely and accurately and (6) Subjects SF made mistakes in not doing calculations correctly.
ANALYSIS OF STUDENT ERRORS IN SOLVING STUDENT MATHEMATICS UAS QUESTIONS ACCORDING TO CASTOLAN CRITERIA Mustamin Idris; Ulvina Tangke Lembang; Muh. Rizal; Rita Lefrida
JME (Journal of Mathematics Education) Vol. 9 No. 2 (2024): JME
Publisher : USN Kolaka

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31327/jme.v9i2.2068

Abstract

This study aims to analyze the errors made by students in completing final semester exam (UAS) questions in the field of mathematics, namely linear programming, matrices and transformation geometry. The subjects of this study were students of class XI Nursing at SMK Kesehatan Indonesia Jaya Parigi. In determining the research subjects, purposive sampling technique was used . The data collection technique for this study used documentation of essay questions for the final semester exam and documentation of student answer sheets and interviews. The data analysis technique used according to Miles and Huberman is condensation of UAS and interview results data, presenting UAS and interview results data and drawing conclusions. The results of this study indicate that the errors made by students are conceptual errors, procedural errors and technical errors. Indicators of conceptual errors made by students are not being able to interpret problems/use terms, concepts, and principles, students are not able to choose formulas/properties correctly and students are not able to apply formulas/properties accurately. Indicators of procedural errors are inconsistencies in the solution steps with the questions asked and not being able to complete the questions until the final stage. Indicators of technical errors are errors in arithmetic operations and errors in moving numbers or arithmetic operations from one step to the next. Factors causing errors made by UAS participants are not understanding the questions well, lack of mastery of concepts in Matrix, Linear Programs and Transformation Geometry materials, rarely practicing reworking examples of questions, students only see and read examples of questions.
PROFILE OF CRITICAL THINKING SKILLS OF STUDENTS IN CLASS VII SMP ON FRACTION ADDITION MATERIAL IN TERMS OF GENDER Reski Amelia; Alfisyahra Alfisyahra; Mustamin Idris; Rita Lefrida
JME (Journal of Mathematics Education) Vol. 9 No. 2 (2024): JME
Publisher : USN Kolaka

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31327/jme.v9i2.2067

Abstract

This study aims to obtain an overview of the critical thinking skills of male and female students in class VII A SMPN 9 Palu on fraction addition material. This research aims to: 1) to obtain a description of the critical thinking ability of male students on the addition and subtraction of fractions 2) to obtain a description of the critical thinking ability of female students on the addition and subtraction of fractions. This type of research is descriptive using a qualitative approach. The subjects of this research were 2 students taken from 31 students of class VII A SMPN 9 Palu consisting of 1 male student with high mathematics ability and 1 female student with high mathematics ability. The results of this study showed that male and female subjects with high mathematics ability were able to fulfill the indicators of critical thinking ability by Facione (2015), namely: (1) can interpret the problem by identifying the information known and asked appropriately and able to interpret and understand the symbols contained in the problem, (2) connect between statements, questions and concepts by making mathematical modeling appropriately (3) determine and use the right strategy in the calculation process so as to find the right final solution, (4) able to draw conclusions from what is asked in the problem, and (5) have the awareness to re-examine the solution of the problem given by identifying errors in determining the strategy or in the calculation process and then being able to believe the answer.
The impact of RADEC learning model on the problem-solving ability of high school students Mallo, Bakri; Idris, Mustamin; Nurhayadi; Pathuddin; Dasa Ismaimuza
Journal of Honai Math Vol. 8 No. 2 (2025): Journal of Honai Math
Publisher : Universitas Papua

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30862/jhm.v8i2.822

Abstract

The low learning outcomes and problem-solving abilities of students in Palu City are the driving force for finding a student-centered learning model that can improve the problem-solving abilities of high school students in Palu City. This research method is a quasi-experimental design with an intact group comparison design consisting of two groups, namely the experimental class with the RADEC Model learning treatment with a differentiated learning strategy and the control class with direct learning models. The study population was 3656 students, while the sample was 186 students in the experimental class and 186 students in the control class. The researcher selected the sample by purposive random sampling technique. The instruments used were problem-solving ability tests and learning style questionnaires. Data were analyzed using t-test statistics and two-way ANOVA. The results showed that the RADEC learning model with a differentiated learning strategy had a greater impact when compared to the direct instruction model on the mathematical problem-solving abilities of high school students in Palu City, with a significance value of p = 0.000. The average score of problem-solving ability of students who follow the RADEC learning model is 79.63. While the average score of problem solving of students who follow the direct instruction model is 50.72 that the difference in the impact of the learning model is 28.91. The RADEC learning model does not have a different impact on the mathematical problem-solving ability of high school students in Palu city based on learning styles, so that teachers can implement it in classes that have heterogeneous students in terms of learning styles.
Application of Nusa and Rara Audio Visual Media in Planting Religious Character of Children in Group B Aba KindergartenTirtajaya Amik, Zakiah Magfiratul; Rahayu, Meggi; Idris, Mustamin; Ayuningtias, Fitriani; Salam, Abdul
Sinergi International Journal of Education Vol. 3 No. 2 (2025): May 2025
Publisher : Yayasan Sinergi Kawula Muda

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61194/education.v3i2.764

Abstract

The problem in this research is how to instill religious character in group B1 children through the animated audio visual media Nussa and Rara. This research is Classroom Action Research (PTK) which applies audio-visual media in cultivating children's religious character. Subject this research is child group B1 TK ABA Tirtajaya Regency Banggai Which amounted to 10 child, 5 man And 5 Woman. Study This done in two cycle Which each consists from two meeting session. Activity learning consists from four level that is planning, implementation activity, observation And reflection. Method collection data through interview, sheet observation And documentation. After that, data analyzed with method descriptive-qualitative And descriptive-quantitative. At the pre-action stage, the percentage of classical completeness obtained was 10% or consisted of 1 child who was included in the BSB (Very Well Developed) category and as many as 9 children did not meet these criteria. Furthermore, the classical completeness percentage was obtained at 30% or 3 children in the BSB (Very Well Developed) category and 7 children had not met these criteria in the first cycle of action, meeting I, then the researcher carried out the first cycle of meeting II and obtained classical completeness of 50%, which means they did not meet the standard of classical learning completeness set at 75% and caused the researcher to continue the research action to the next cycle. In the second cycle of the first meeting, the researchers found that there were 7 children included in the BSB (Very Well Developing) category with a percentage of classical completion obtained of 70%, while in the second cycle of the second meeting the researchers found 9 children included in the BSB (Very Well Developing) category and 1 child in the BSH (Developing According to Expectations) category. It can be concluded that the application of audio visual media can instill religious character in the children of group B1 TK ABA Tiertajaya, Banggai Regency.
Analysis of Students' Errors in Solving Algebraic Story Problems Based on Newman's Procedure: A Case Study in Junior High School Saputra, Sandy; Anggraini, Anggraini; Sugita, Gandung; Idris, Mustamin
Jurnal Pendidikan MIPA Vol 26, No 1 (2025): Jurnal Pendidikan MIPA
Publisher : FKIP Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jpmipa.v26i1.pp305-326

Abstract

This study aims to obtain a description of student errors in solving algebraic form story problems based on Newman's procedure in junior high school. This type of research is descriptive using a qualitative approach. This research uses Newman's error analysis. The subjects of this study were three students, each of whom had high mathematical ability (ST), medium mathematical ability (SS), and low mathematical ability (SR) selected from class VIII W.R Supratman based on the report card value of mathematics class VII odd semester 2023/2024. The results of this study are as follows: Students with high mathematical ability (ST) tend to make mistakes at the reading stage by not reading the problem completely, especially the symbol "Rupiah," and at the writing/notation (encoding) stage by not writing the conclusion and the symbol "Rupiah". Students with moderate mathematics ability (SS) made mistakes at the comprehension stage by not writing and mentioning the question information completely, the transformation stage by making an incorrect mathematical model, and the writing/notation (encoding) stage by not writing the "Rupiah" symbol. Students with low mathematics ability (SR) made mistakes at almost all stages: reading by not mentioning the Rupiah symbol and not reading the complete problem, comprehension by not writing and mentioning the problem information completely, transformation by making an incorrect mathematical model, process skills with calculation errors, and writing/notation (encoding) by not writing the Rupiah symbol and the correct conclusion. This research shows the importance of understanding the problem thoroughly, making the right mathematical model, and writing complete notations and conclusions in solving mathematical problems, the results of this study are expected to contribute to the improvement of the mathematics learning process, both from the teacher and student side, so as to improve students' mathematical problem solving skills, especially in the material of algebraic form story problems.       Keywords: problem solving errors, math skills, algebraic story problems, newman procedure.
Penerapan Pendidikan Inklusif Terhadap Perkembangan Sosial Emosional Anak Di TK Aisyiyah 1 Baolan Kabnpaten Toli-Toli Eka; Mustamin Idris; Nurhaeda
ECEIJ (Early Childhood Education Indonesian Journal) Vol. 6 No. 2: Mei 2023
Publisher : ECEIJ (Early Childhood Education Indonesian Journal)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31934/eceij.v6i2.8136

Abstract

Penerapan ini bertujuan untuk Mendeskripsikan Penerapan Pendidikan Inklusif Terhadap Perkembangan Sosial Emosional Anak Di TK Aisyiyah 1 Baolan Kabupaten Toli-Toli. Penelitian ini menggunakan metode penelitian kualitatif. Subjek sasaran penelitian ini yaitu kepala sekolah TK Aisyiyah 1 Baolan Kabupaten Toli-toli, pendidik kelompok B3 TK Aisyiyah 1 Baolan Kabupaten Toli-toli dan wali murid peserta didik kelompok B3 TK Aisiyah 1 Baolan Kabupaten Toli-toli. Teknik pengumpulan data dalam penelitian ini dilakukan melalui observasi, wawancara, dan dokumentasi. Teknik analisis data menggunakan analisis deskriptif. Berdasarkan hasil penelitian dapat disimpulkan bahwa : pendidikan Inklusif sangat penting terhadap perkembangan sosial emosional anak, untuk mendorong anak-anak berinteraksi dengan teman sebaya tanpa memandang perbedaan. Anak-anak dalam pendidikan inklusif lebih cenderung menunjukkan empati, kerja sama, dan kemampuan berinteraksi dengan teman sebaya secara positif. Selain itu mereka juga lebih mampu mengenali dan mengungkapkan emosi mereka sendiri serta emosi orang lain. Penelitian ini menyimpulkan bahwa penerapan pendidikan inklusif memiliki dampak positif yang signifikan terhadap perkembangan sosial emosional anak.
Differences in the Application of Problem-Based Learning and Discovery Learning Models on Students’ Mathematical Problem-Solving Abilities from Mathematic Initial Abilities Students of 1 Mamosalato State Senior High School Djafar, Yuniarti H; Rochaminah, Sutji; Idris, Mustamin
Numerical: Jurnal Matematika dan Pendidikan Matematika Vol. 8 No. 1 (2024)
Publisher : Universitas Ma'arif Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25217/numerical.v8i1.4116

Abstract

This research was intended to clearly describe the differences in mathematical problem-solving abilities about initial mathematical abilities by applying the Problem-Based Learning and Discovery learning models. The research design employed a quantitative approach. The sample of this research was students of SMA Negeri 1 Mamosalato, Grade XI MIA 1, as the first and second experiment classes were XI MIA 2. This research applied an experimental method with a factorial design of 2 x 3. The instrument was administered to collect data to test initial mathematic ability and mathematical problem-solving abilities—data was analyzed in two ways: ANOVA and Tukey test (LSD test). The findings of the research were (1) there were differences in mathematical problem-solving abilities by applying the Problem-based Learning Model and Discovery Learning Model, (2) there was no interaction between the learning model and initial mathematical abilities on mathematical problem-solving abilities, (3) there was difference in students mathematical problem-solving abilities by applying Problem-based Learning Model and Discovery learning Model, especially to high initial mathematical abilities, middle initial mathematical abilities, as well as low initial mathematical abilities.
Co-Authors Abdul Munir Aditya, Ahmad TaufiK Ahmad Ahmad Ahmad Ahmad Ainun Mardiah M. Liname Aisun, Putri Alfisyahra Alfisyahra Alfisyahra Alfisyahra, Alfisyahra Amelia, Reski Amik, Zakiah Magfiratul Amrah Hazanah Andryanto Tahir Anggraini Anggraini Anggraini Anggraini Anggraini Anggraini Anggun Nurfaadilla Annisa Marpudin Annisa, Marsiana Dwi Arsyad Said Aryanto Aryanto Asis, Nurasia Asri Hente Baharuddin Paloloang Baharuddin Paloloang Bahraeni Bakri M Bakri Mallo Bakri Mallo Busra Busra Busra Busra Busra Busra, Busra Darmiati Darmiati Dasa Ismaimuza Dasa Izmaimusah Daud Karel Walanda Dewi, Arum Resiana DIAN APRIANI Didit Dermawan Djafar, Yuniarti H Dwi Permatasari Eka Elisabet Linda Mariana Kayan Fachri Fajriani Fitriani Ayuningtias Gandung Sugit Gandung Sugita Gita Destiana Hamka Haryati Ruslan Holyness Nurdin Singadimedja I Gede Darma Wisilayasa I Nyoman Murdiana I Nyoman Murdiana I Nyoman Murdiana Ibni Hadjar Ibnu Hajar Ike A Budiman Indah Suarni Ira Kusnia Vani Jaeng, Maxinus Jaeng, Maxinus Kadong, Ekslesya Evangelin Karniman, Tegoeh S. Lembang, Ulvina Tangke Linawati Linawati Lumi, Jesica Lupna, Lupna Maisaroh Maisyarah Maisyarah Maisyarah Marinus Barra Tandiayuk Masruri Masruri Masruri Maxinus Jaeng Meggi Rahayu Meilando, Reksy Meinarni, Welli Meldawati Simaa Mery Napitupulu Miftahul Mifta Mirnawati Mirnawati Mirnawati Muin Moh. Zain Muh Hasbi Muh Hasbi Muh. Hasbi Muh. Hasbi Muh. Rizal Muh. Rizal Muh. Rizal Muh. Rizal Muhammad Azwar Muhammad Rivai Muin, Mirnawati Nisa, Ainun Norma Norma Norma Nur Afni Nur Awalia Nur Hayatin Nur Inayah Nur Safitri Nurfadilah Nurfadilah Nurhaeda Nurhaliza, Saripa Nurhayadi Nurhayadi Nurhayadi Nurhayadi Nurmala Nurmala Nurmasita M. Saahi Nurpaida Nurpaida Nurul Afiyah Nurul Agmita L Nurul Alfahira Nurul Hikmah Oktaviani Nurlinda Sari Pathuddin Pildayani Pildayani, Pildayani Qitra Sandi Rahim, Nur Mei Sakin Rahma Nasir Rahma Nasir Rahma Nasir Rahma Nasir Rahmamina Minarahma Ramadhan Asilaka Reksy Meilando RENAWATI, RENAWATI Reski Amelia Richard Albert Walanda Rifai, Mohammad Rifal, Mohammad Riska Riska Riska Rita Lefrida Rita Lefrida Rizal, Muh Rizal, Muh Rohmah, Zakiah Ropang, Marlita Rosyidah, Anni Syakhiyatur Ruslan, Haryati Sali, Elisabet Salsabila Aski SANDY SAPUTRA Sari, Triana Meida SATRIYAS ILYAS SITTI ZAHRA Sri Mastuti Suarni, Indah Suciati, Indah Sukayasa Sutji Rochaminah Syakinah Novia Putri Pontoh Tahir, Andryanto Tegoeh S Karniman Tegoeh S Karniman Teguh Purnomo Teguh Purnomo, Teguh Tika Widiani Triana Meida Sari Ulvina Tangke Lembang Vani, Ira Kusnia Welli Meinarni Widiastuti, Ira Yuni Rahma Tanti Yuyun Selasti Zain, Moh. Zakiah Rohmah Zidan H.L, Moh. Zuhaina