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Didik Sugeng Pambudi
Pendidikan Matematika FKIP Unej
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Analisis Koneksi Matematis Siswa dalam Menyelesaikan Soal Setara TIMSS Ditinjau dari Locus of Control Sutrisno, Nurul Auliyah; Pambudi, Didik Sugeng; Martikusuma, Randi Pratama
Edumatika Vol 3 No 1 (2020): Mei 2020 Edumatika : Jurnal Riset Pendidikan Matematika
Publisher : Fakultas Tarbiyah dan Ilmu Keguruan IAIN Kerinci

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (399.074 KB) | DOI: 10.32939/ejrpm.v3i1.500

Abstract

This study aims to describe the students’ mathematical connections in terms of the locus of control. The mathematical connection indicators in this study are writing down the mathematical concepts that underlie the answers, recognize the relationship of various mathematical ideas and mathematical topics that can be related to problems of everyday life, and understand how to solve mathematical ideas that are interrelated and underlie each other to obtain an integrated whole. Data collection methods in this study were questionnaires, tests, and interviews. The subjects of this study were six seventh-grade students at MTs Negeri 7 Jember. The data analyzed by qualitative descriptive analysis. Based on the tests and interviews analysis, we known that students with internal locus of control could write mathematical concepts as a two variable linear equation system (TVLES). Students can connect TVLES material with problems, for example, represented the object in variables x and y. Students can also solved the problems related to TVLES material by using common examples, elimination and substitution methods. While the students’ with external locus of control also can write the mathematical concepts as a TVLES. But the students did not write in detail the relationship between TVLES material and the problem. Students can not solve problems by using TVLES solutions such as elimination and substitution, but students only use estimates in finding solutions.
Proses Berpikir Kreatif Siswa dalam Pemecahan Masalah Open-Ended Berdasarkan Teori Wallas Ditinjau dari Adversity Quotient Jatmiko, Dhanar Dwi; Andriana, Lutfi; Pambudi, Didik Sugeng; Trapsilasiwi, Dinawati; Hussen, Saddam
Jurnal Cendekia : Jurnal Pendidikan Matematika Vol 7 No 1: Jurnal Cendekia: Jurnal Pendidikan Matematika Volume 7 Nomor 1 Tahun 2023
Publisher : Mathematics Education Study Program

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/cendekia.v7i1.1993

Abstract

Proses berpikir kreatif siswa dapat diketahui dengan cara memberikan siswa masalah open-ended. Penyelesaian soal open-ended memerlukan kemampuan pemecahan masalah yang berpengaruh terhadap upaya seseorang untuk dapat menyelesaikan masalah yang dihadapi. Kemampuan seseorang untuk menghadapi tantangan atau kesulitan biasa disebut dengan Adversity Quotient (AQ). Tujuan dari penelitian ini adalah untuk mendeskripsikan proses berpikir kreatif siswa climber, camper, dan quitter dalam pemecahan masalah open-ended. Jenis penelitian ini adalah deskriptif kualitatif. Pengumpulan data dilakukan dengan memberi angket ARP, tes open-ended, dan wawancara. Berdasarkan hasil analisis data disimpulkan bahwa siswa climber melakukan keempat tahapan proses berpikir kreatif yaitu tahap persiapan, tahap inkubasi, tahap eliminasi, dan tahap verifikasi. Siswa camper hanya melakukan tiga tahapan proses berpikir kreatif yaitu tahap persiapan, tahap inkubasi, dan tahap eliminasi. Siswa quitter hanya melakukan dua tahapan proses berpikir kreatif yaitu tahap persiapan dan tahap inkubasi, sedangkan tahap eliminasi tidak dapat terpenuhi karena hanya dilakukan pada salah satu dari yang ditanyakan pada soal.
Development of Realistic Mathematics Education (RME) Integrating Agricultural Activities to Improve Numeracy Skills Cahyadewi, Karina Cindy; Pambudi, Didik Sugeng; Lestari, Nurcholif Diah Sri; Kurniati, Dian; Kristiana, Arika Indah
Jurnal Kependidikan : Jurnal Hasil Penelitian dan Kajian Kepustakaan di Bidang Pendidikan, Pengajaran, dan Pembelajaran Vol. 11 No. 1 (2025): March
Publisher : LPPM Universitas Pendidikan Mandalika

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/jk.v11i1.14060

Abstract

This study aims to develop Realistic Mathematics Education (RME) learning tools integrated with agricultural activities, fulfilling the criteria of valid, practical, and effective to improve numeracy skills, particularly in the topics of direct and inverse proportionality. This study used the research and development with the Plomp model, comprising three phases. The first phase, preliminary research, involved 26 teachers and prospective teachers. The second phase, development or prototyping, engaged three experts and three students. The third phase, assessment, was conducted through trial testing with 31 participants in the experimental class and 31 participants in the control class. Data collection techniques included questionnaires, surveys, observations, tests, and interviews. Data processing was conducted using descriptive statistics. The results of the study indicate that the developed RME learning tools integrated with agricultural activities fulfills the criteria of valid, practical, and effective. The validity criteria were achieved with scores of 3.77 for the teaching module, 3.81 for the LKPD, 3.84 for the learning achievement test, and 3.87 for the instruction manual. The practicality criteria were met with a learning implementation rate of 95% (very good), and student activity reaching 84.9% (active). Additionally, student and teacher response questionnaires showed positive feedback, with scores of 95.48% and 100%, respectively. The effectiveness criteria were achieved with an average N-Gain score of 0.65 (moderate) and the experimental class achieved higher average scores than the control class. This study implies that RME integrated with agricultural activities can be recommended for mathematics teachers to support numeracy teaching.
An Analysis of Students' Errors in Constructing the Concept of Integer Operations Based on Assimilation and Accommodation Kurniati, Dian; A’yun, Qurrota; Jatmiko, Dhanar Dwi Hary; Pambudi, Didik Sugeng; Oktavianingtyas, Ervin; Sutarto, Sutarto; Osman, Sharifah
Tadris: Jurnal Keguruan dan Ilmu Tarbiyah Vol 10 No 2 (2025): Tadris: Jurnal Keguruan dan Ilmu Tarbiyah
Publisher : Universitas Islam Negeri Raden Intan Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24042/tadris.v10i1.26152

Abstract

Errors in constructing concepts often occur in mathematics learning, especially in the topic of integer operations. These errors arise because students tend to memorize procedures or rules without fully understanding the underlying concepts. This research aims to analyze students' errors in constructing the concept of integer operations based on assimilation and accommodation. This study uses a qualitative method with 16 students from class VII B at MTs Baitul Hikmah Tempurejo as subjects. The data collection methods in this study included tests and interviews. Data analysis was carried out through the stages of analyzing test results, conducting interviews, and triangulating the data to ensure validity. Based on the analysis and discussion of the data, it can be concluded that all subjects experienced errors in constructing the concept. Four types of concept construction errors were identified: Pseudo Construction, Construction Hole, Mis-logical Construction, and Mis-analogical Construction. Pseudo Construction occurs when a student merely memorizes phrases like "negative meets negative, the result is positive" without a deeper understanding of the concept. Construction Hole occurs when a student provides incorrect answers due to incomplete understanding or failure to comprehend the problem. Mis-logical Construction happens when a student makes an incorrect assumption or conclusion, while Mis-analogical Construction involves false analogies, such as equating the concept of adding negative numbers with adding positive numbers. The results of this study are expected to provide insights into the types and causes of errors in concept construction made by students, which can then be used as a basis for developing effective learning strategies to help students understand concepts correctly.
Self-regulation-based learning and mathematical literacy: Exploring the ability of students at singa putih munfaridin islamic boarding school in solving HOTS problems Syafitri, Risma Widya Hadi; Lestari, Nurcholif Diah Sri; Putri, Inge Wiliandani Setya; Pambudi, Didik Sugeng; Murtikusuma, Randi Pratama
Journal of Didactic Mathematics Vol 6, No 3 (2025): December
Publisher : Mahesa Research Center

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34007/jdm.v6i3.2793

Abstract

Mathematics is an important foundation in developing critical and logical thinking skills, which are reflected through mathematical literacy. However, PISA 2022 scores show that Indonesian students' mathematical literacy is still below the international average, with the main weakness in solving HOTS questions. This qualitative research aims to analyze the relationship between self-regulated learning (SRL) and students' mathematical literacy in solving HOTS problems related to System of Linear Equations of Three Variables (SPLTV) at Singa Putih Munfaridin Islamic Boarding School, Pasuruan. Data were collected through HOTS tests, SRL questionnaires, and interviews with grade X students who were grouped into three SRL categories: low, medium, and high. The results showed that students with high SRL could formulate problems efficiently, apply systematic strategies, and interpret solutions independently. Medium SRL students have difficulty in applying concepts due to inaccuracy and also fail to independently verify solutions, with conclusions often adapted from classmates. Low SRL students only reached the formulation stage and failed at the application and interpretation stages. These findings reinforce Zimmerman & Schunk's theory that SRL involves a cycle of planning, monitoring and self-evaluation.
Development of Differentiated Learning Tools with Mathematics Problem Solving Based on ESD to Improve Critical Thinking Skills of Junior High School Students Kurniati, Dian; Rosyidah, Afni Nur; Murtikusuma, Randi Pratama; Pambudi, Didik Sugeng; Lestari, Nurcholif Diah Sri; Osman, Sharifah; Sepeng, Percy
Mosharafa: Jurnal Pendidikan Matematika Vol. 15 No. 1 (2026): January
Publisher : Department of Mathematics Education Program IPI Garut

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31980/mosharafa.v15i1.2440

Abstract

Rendahnya kemampuan berpikir kritis siswa SMP dan keterbatasan perangkat pembelajaran berbasis Education for Sustainable Development (ESD) menjadi latar belakang penelitian ini. Penelitian ini bertujuan mengembangkan perangkat pembelajaran matematika pada materi perbandingan (senilai, berbalik nilai, dan skala) untuk meningkatkan kemampuan berpikir kritis siswa. Menggunakan model pengembangan 4D (Define, Design, Develop, Disseminate), penelitian dilakukan terhadap 32 siswa kelas VII C SMP Negeri 12 Jember. Instrumen pengumpulan data meliputi lembar validasi, observasi keterlaksanaan, tes hasil belajar, dan angket respons siswa. Hasil penelitian menunjukkan perangkat pembelajaran memenuhi kriteria: Valid, dengan rerata 3,92; Praktis, dengan persentase respons siswa 87% dan keterlaksanaan 100%; serta Efektif, dengan peningkatan hasil belajar melalui skor N-Gain sebesar 87%. Simpulan penelitian ini menunjukkan bahwa perangkat pembelajaran berbasis ESD layak digunakan dan berpotensi menjadi alternatif untuk meningkatkan kemampuan berpikir kritis siswa. The low critical thinking skills among junior high school students and the lack of learning resources based on Education for Sustainable Development (ESD) underpin this research. This study aims to develop mathematics learning materials on the topic of ratios—covering direct proportions, inverse proportions, and scales—to enhance students' critical thinking skills. Employing the 4D development model (Define, Design, Develop, Disseminate), the study involved 32 seventh-grade students at SMP Negeri 12 Jember. Data collection instruments included validation sheets, observation forms for instructional implementation, learning achievement tests, and student response questionnaires. The results indicate that the developed materials meet the following criteria: Valid, with an average score of 3.92; Practical, evidenced by an 87% student response rate and 100% instructional implementation; and Effective, demonstrated by an N-Gain score of 87% in learning outcomes. In conclusion, the ESD-based learning materials are feasible for classroom use and serve as a viable alternative to improve students' critical thinking skills.
Strong and Weak Mathematical Connections among Prospective Mathematics Teachers in Differential Calculus Problem-Solving Pambudi, Didik Sugeng; Shahrill, Masitah
Mathematics Education Journal Vol. 20 No. 1 (2026): Mathematics Education Journal
Publisher : Universitas Sriwijaya in collaboration with Indonesian Mathematical Society (IndoMS)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22342/mej.v20i1.pp125-144

Abstract

Differential calculus problem requires the ability to connect various mathematical ideas, making mathematical connection ability an essential skill. Research indicates that prospective mathematics teachers demonstrate varying levels of mathematical connection ability. This study aimed to describe the characteristics of prospective mathematics teachers’ mathematical connection ability when solving differential calculus problems. An exploratory qualitative approach was employed involving 61 prospective mathematics teachers enrolled in a differential calculus course at a university in Indonesia. Data were collected through a written differential calculus problem and semi-structured interviews. The written responses were analyzed using five mathematical connections indicators, each scored on a scale of 0–20, to classify participants into strong, moderate, and weak levels. Interview data were used to investigate the processes and factors underlying the emergence of different mathematical connection types. The analysis revealed four types of mathematical connections: part–whole, different representation, procedural, and implication connections. Prospective mathematics teachers with strong mathematical connection level were able to coherently integrate geometric concepts, representations, and calculus procedures by effectively connecting prior knowledge, such as right circular cone geometry and triangle similarity, with new knowledge, particularly the chain rule. In contrast, those with weak mathematical connection ability exhibited fragmented or incorrect prior knowledge, leading to inappropriate representations, flawed mathematical models, and difficulties in applying calculus concepts logically. These findings highlight that the success of differential calculus problem solving depends not only on procedural proficiency but also on the quality of mathematical connections constructed between prior and new knowledge.
Co-Authors - Hobri Abdillah Putra Maulana Abi Suwito Abi Suwito Agung Lukito AGUNG LUKITO Alfan Azizi Alim, Fathul Amaliyatul Indah Ambarwati, Reza Ana Masuda Ananda Dwi Iskarina Andriana, Lutfi Anizah, Arinatul Antonius Cahya Prihandoko Any Isroaty Arika Indah Kristiana Ati’ah, Siti A’yun, Qurrota Cahyadewi, Karina Cindy Crismono, Prima Cristi Desi Wahyuningtyas Dian Atika Sofie Dian Kurniati Dinawati Trapsilasiwi Erfan Yudianto Ervin Oktavianingtyas Evi Takrimatul Ailiyyah Faiqotul Himmah Fathimah Azzahraail Batul Febrina Lya Kartika Sari Fiqih Nur Hakiki Firmansyah, Frenza Fairuz Fitri Annisa Gantiyani, Hari Hafidhoh, Nabilatul Hanifah Rizki Mubarokah Hobri I Ketut Budayasa IDA RAHMAWATI Islamiah, Maulidi Arsih Umaroh Ivent Astiantari Jatmiko, Dhanar Dwi Jatmiko, Dhanar Dwi Hary Karina Cindy Cahyadewi Karina Cindy Cahyadewi Khumayroh, Alfatikha Anik Lestari, Nurcholif Diah Sri Lina Anggraini Lioni Anka Monalisa, Lioni Anka Mahmudah, Khoirotul Martikusuma, Randi Pratama Masitah Shahrill, Masitah Maulana, Abdillah Putra Meilysa Ajeng Kartika Putri Meilysa Ajeng Kartika Putri Misbahul Munir Mohamad Fatekurohman Nanik Yuliati Nurcholif Diah Sri Lestari Osman, Sharifah Prastika, Sulia Anis Pribadi, Maharani Hayuning Pangastuti Putri, Inge Wiliandani Setya Putri, Meilysa Ajeng Kartika Qomariyah, Dinda Nurul Rahmawati, Enggita Randi Pratama Murtikusuma Rasyid, Irwan Hainur Rezqy Ayu Devi Arafah Rohmah, Zulfiani Ainur Roni Setyawan Rosyidah, Afni Nur S Suharto S Sunardi S Susanto Saddam Hussen Seli Wahyutini Khoiriyah Sepeng, Percy Shofiah, Ulfatus Siti Ati’ah Solly Aryza Suharto Suharto Sunardi Sunardi Sunardi Sunardi Sunardi Sunardi, Sunardi Susanto Susanto Susanto Susanto Susanto Susanto Sutarto Sutarto Sutrisno, Nurul Auliyah Suwarno Suwarno Syafitri, Risma Widya Hadi Theresia Siska Rikna Sari Tilawah, Hilwatut Tina Melinda Tina Melinda Titik Sugiarti Toto Bara Setiawan Verial Rohisah Wahdana, Akfi Hikmah Wasilatul Murtafiah Wirdah Pramita N