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Tian Abdul Aziz

Universitas Negeri Jakarta

Author-ID : 2781329

Religion Arts Humanities Biochemistry, Genetics & Molecular Biology Chemistry Computer Science & IT Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Energy Engineering Environmental Science Health Professions Immunology & microbiology Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Mathematics Public Health Social Sciences Other

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Profil Kesulitan Siswa dalam Menyelesaikan Masalah SPLDV ditinjau dari Computational Thinking Skill dan Self-Confidence Khoirunnisa, Mustika; Hakim, Lukman El; Aziz, Tian Abdul
Media Pendidikan Matematika Vol. 13 No. 2 (2025): J-MPM
Publisher : Universitas Pendidikan Mandalika (UNDIKMA)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/mpm.v13i2.18405

This study aims to identify students’ difficulties in solving Two-Variable Linear Equation System (SPLDV) problems in terms of their computational thinking skills and levels of self-confidence. The study incorporates four indicators of computational thinking combined with students’ self-confidence levels to examine their patterns of difficulty more comprehensively. A qualitative case study approach was employed, involving two ninth-grade students from MTsN Muaradua who were selected based on the results of a self-confidence questionnaire and a computational thinking test. Data were collected through questionnaires, written tests, and semi-structured interviews. The findings show that students with high self-confidence were able to solve SPLDV problems across all four indicators through logical, reflective, and systematic steps. In contrast, students with low self-confidence experienced difficulties at the abstraction stage and particularly at the generalization stage when required to formulate a general equation from the obtained results. Low self-confidence led to hesitation in connecting relationships between variables and hindered reflective thinking. These findings indicate the need to strengthen affective aspects alongside the development of computational thinking in SPLDV learning.

Pengaruh Pembelajaran Berdiferensiasi Terhadap Pemahaman Konsep Pecahan Ditinjau dari Motivasi Belajar Siswa SD Nopiana Yuda, Nina; Abdul Aziz, Tian; Yumiati, Yumiati
Jurnal Impresi Indonesia Vol. 4 No. 12 (2025): Jurnal Impresi Indonesia
Publisher : Riviera Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58344/jii.v4i12.7129

Penelitian ini bertujuan menganalisis pengaruh pembelajaran berdiferensiasi terhadap kemampuan pemahaman matematis konsep pecahan ditinjau dari tingkat motivasi belajar siswa kelas V sekolah dasar. Latar belakang penelitian adalah rendahnya pemahaman siswa terhadap pecahan, sebagaimana ditunjukkan hasil AKM dan tes sumatif di Kabupaten Karawang, di mana lebih dari 60% siswa masih berada di bawah standar. Metode penelitian yang digunakan adalah kuantitatif dengan pendekatan kuasi eksperimen desain pretest-posttest non-equivalent control group, melibatkan 80 siswa kelas V SDN Duren III yang terbagi ke dalam kelas eksperimen (40 siswa) dengan pembelajaran berdiferensiasi berbasis gaya belajar (visual, auditori, kinestetik) dan kelas kontrol (40 siswa) dengan pembelajaran konvensional. Instrumen penelitian meliputi tes pemahaman matematis, kuesioner motivasi belajar, lembar observasi, dan pedoman wawancara yang telah teruji validitas isi (Gregory = 1,0) serta reliabilitas (Cronbach Alpha 0,452–0,566). Analisis data menggunakan uji-t dan ANOVA dua arah. Temuan penelitian menegaskan bahwa pembelajaran berdiferensiasi memberikan peningkatan signifikan pada pemahaman konsep pecahan dibandingkan pembelajaran konvensional (p < 0,05), dengan kenaikan nyata pada seluruh rentang kemampuan siswa. Analisis ANOVA menunjukkan tidak adanya interaksi antara pembelajaran dan motivasi belajar, yang berarti diferensiasi efektif bagi siswa bermotivasi tinggi, sedang, maupun rendah. Dengan karakter adaptif-inklusifnya, strategi ini direkomendasikan sebagai pendekatan instruksional yang dapat diterapkan secara luas untuk memperkuat numerasi siswa sekolah dasar.

THE EFFECT OF THE MAKE A MATCH COOPERATIVE LEARNING MODEL ASSISTED BY WINGEOM ON STUDENTS’ MATHEMATICAL CONCEPTUAL UNDERSTANDING Fajrianto, Trian; Putri, Larasati Rizky; Hakim, Lukman El; Aziz, Tian Abdul
JME (Journal of Mathematics Education) Vol 10, No 2 (2025): JME (Jul - Dec)
Publisher : Universitas Sembilanbelas November Kolaka

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31327/jme.v10i2.2615

This study aims to analyze the effectiveness of Wingeom application in cooperative learning type Make A Match to improve students’ mathematical conceptual understanding. The study was motivated by the low performance of Indonesian students in mathematics as reported in PISA 2022 (OECD, 2022). The research employed a quasi-experimental method with a posttest-only control group design. The sample consisted of 72 eighth-grade students of SMP Negeri 25 Kota Tangerang, divided into an experimental class (using Make A Match with Wingeom) and a control class (conventional learning). The research instrument was an essay test consisting of 11 items that had been validated and tested for reliability. The study provides strong evidence of measuring genuine improvement in students’ mathematical conceptual understanding, as reflected in the significant difference between the experimental group’s mean post-test score of 28.78 and the control group’s mean score of 22.69, supported by a large effect size of 0.893. Therefore, the Wingeom application proved effective in improving students’ mathematical conceptual understanding through cooperative learning type Make A Match.

Eksplorasi Kesalahan Siswa pada Materi Aljabar di SMP: Systematic Literature Review Vivied Eka Pratiwi; Sampoerno, Pinta Deniyanti; Aziz, Tian Abdul
Griya Journal of Mathematics Education and Application Vol. 5 No. 4 (2025): Desember 2025
Publisher : Pendidikan Matematika FKIP Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/griya.v5i4.975

An educator must conduct error analysis to determine the extent to which students understand the lesson. Furthermore, student error analysis can also be used as evaluation material and as a consideration in subsequent learning. The purpose of this study was to review literature related to error analysis in junior high school algebra material. This research is a Systematic Literature Review. Data collection was conducted by reviewing articles that have the research topic of error analysis theory in junior high school algebra problems. Data collection came from journals indexed by Sinta for the past 5 years. The obtained articles were 16 articles that met the criteria. Based on the search results, it was found that the analysis theory frequently used to conduct error analysis in algebra material is the costalan theory with three indicators: conceptual errors, procedural errors, and technical errors. The types of errors that appear range from misinterpreting algebraic elements to misapplying correct concepts. Therefore, a possible solution is to create learning activities that emphasize active student involvement to help students understand the concepts of algebra

The Influence of Game-Based Learning on Mathematical Creative Thinking Ability and Self-Efficacy Ade Dwi Oktaviani; Tian Abdul Aziz; Lukman El Hakim
Bibliotheca: Journal of Philosophy Vol. 1 No. 2 (2025)
Publisher : Penerbit Hellow Pustaka

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61166/bibliotheca.v1i2.31

This study aims to describe and evaluate the impact of implementing Game Based Learning (GBL) on students’ mathematical creative thinking skills and self-efficacy. The method used in this study is a Systematic Literature Review (SLR), conducted through a search of relevant national and international scientific articles from several databases such as Google Scholar, ScienceDirect, DOAJ, and Jayapangus Press, with a publication range from 2020 to 2025. The search results yielded 10 primary articles that met the inclusion criteria and were analyzed based on the authors, year, journal, research method, and main findings. The analysis results indicate that the implementation of Game Based Learning has a positive effect on improving various aspects of students’ abilities, particularly in mathematical creative thinking, self-efficacy, learning motivation, problem-solving skills, and collaborative abilities. The use of digital learning media such as Kahoot!, Quizwhizzer, Gimkit, Wordwall, and Android-based games has proven effective in creating an interactive, competitive, and engaging learning environment. Most of the studies showed significant improvements with p < 0.05, indicating the high effectiveness of the GBL model in enhancing learning outcomes and student engagement.

Desain Pembelajaran Materi Sistem Pertidaksamaan Linear Dua Variabel dengan Model Problem Based Learning (PBL) untuk Siswa SMA Nur Puji Lestari Lestari; Tian Abdul Aziz
Jurnal Riset Pendidikan Matematika Jakarta Vol. 7 No. 2 (2025): Jurnal Riset Pendidikan Matematika Jakarta Volume 7, Nomor 2, Tahun 2025
Publisher : Universitas Negeri Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21009/jrpmj.v7i2.26920

This paper presents the development of the learning design for the Two Variable Linear Inequality System (SPLtDV) material using the Problem Based Learning (PBL) learning model for high school students. To find out the suitability of the learning model with the teaching material, student analysis, needs analysis, and task analysis are discussed in detail. PBL learning stages consist of 5 phases, namely 1) student orientation to problems; 2) organize students to learn; 3) guide individual and group investigations; 4) develop and present the work; and 5) analyze and evaluate the problem solving process. The results and discussion are discussed in detail to determine the suitability of the selection of teaching materials with the chosen learning objectives and how the learning activities support the learning objectives. Then to determine the effectiveness of the PBL design, it is necessary to evaluate both formative evaluation and summative evaluation.Keywords : Problem Based Learning (PBL), learning design, design learning

Optimizing the Use of Geogebra on Students' Communication Skills in Mathematics Learning Faizah Tasya Nabila; Lukman El-Hakim; Tian Abdul Aziz
Examinations: Jurnal Pendidikan Guru Sekolah Dasar Vol. 1 No. 2 (2025)
Publisher : Penerbit Presisi Pustaka

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.65118/exam.v1i2.23

Mathematical communication skills are essential skills that connect students understanding of concepts with the ability to express ideas systematically. This study aims to explain the optimization of the use of Geogebra in improving students mathematical communication skills in mathematics learning. The research method used is a systematic literature review (SLR) of 10 articles published in the 2021-2025 range. The literature search strategy is carried out through the Google Scholar, Research Date, and Publish or Perish databases. The results of the analysis show that the use of Geogebra as a learning medium is effective in improving students mathematical communication skills, both verbally and in writing. Geogebra helps students to visualize abstract concepts, encourage interaction in the classroom, and increase interest in learning through dynamic mathematical objects. It is concluded that the integration of Geogebra in the mathematics learning process has a significant impact on students ability to convey mathematical ideas, both verbally and non-verbally.

Pengembangan Desain Pembelajaran dengan Pendekatan Gamifikasi sebagai Strategi Menumbuhkan Motivasi Belajar Siswa Prasetyo, Rizky Budi; Aziz, Tian Abdul
YASIN Vol 5 No 5 (2025): OKTOBER
Publisher : Lembaga Yasin AlSys

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58578/yasin.v5i5.6582

The low level of student motivation in learning matrix material in Grade XI of senior high school caused by the abstract nature of the topic and the use of conventional teaching methods forms the background of this study. The objective is to develop a gamification-based instructional design to enhance students’ learning motivation. This research adopts the Research and Development (R&D) method using the Four-D model (Define, Design, Develop, Disseminate), limited to the Develop stage. The research subjects consisted of 24 Grade XI students. Data were collected through a learning motivation questionnaire based on the ARCS model (Attention, Relevance, Confidence, Satisfaction) and validated using the V-Aiken index. The findings indicate that the gamification-based instructional design is valid and feasible for use. A limited trial showed that this approach is effective in fostering learning motivation, with 75% of students expressing a positive response toward the model. The study provides important implications for teachers in integrating gamification elements as an interactive teaching strategy to enhance student engagement in mathematics learning.

Profil Kesalahan Siswa dalam Menyelesaikan Soal Cerita Matematika SMP Ditinjau Dari Kemampuan Berpikir Kritis Restie Amelia; Lukman El Hakim; Anny Sovia; Ellis Salsabila; Tian Abdul Aziz; Flavia Aurelia Hidajat
Supermat : Jurnal Pendidikan Matematika Vol 9 No 2 (2025): Supermat : Jurnal Pendidikan Matematika
Publisher : Program Studi Pendidikan Matematika

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33627/sm.v9i2.3959

This study was motivated by the low level of critical thinking skills among junior high school students in solving mathematical word probleims, as evident from previous studies and the researcher's initial observations in the field. This study aims to describe the profil of junior high school students' errors in solving mathematical story problems in terms of critical thinking skills. The method used is qualitative descriptive with 32 seventh-grade students as subjects at a public junior high school in South Tambun in the 2024/2025 academic year. The research instrument was an essay test containing five story problems developed based on critical thinking ability indicators, including providing simple explanations, providing further explanations, determining strategies and techniquies, and drawing conclusions. The data were analyzed through the stages of reduction, presentation, and conclusion drawing. The results showed that most students were in the low critical thinking ability category (63%) and the rest were in the moderate category (37%), while no students reached the high category. Students with low critical thinking abilities tended to make mistakes in almost all indicators, while students with moderate abilities were able to meet most of the indicators but were not consistent, especially in determining solution strategieis and drawing conclusions. These findings indicate that the main weakness of students lies in the aspects of strategy planning and drawing conclusions, so mathematics learning that emphasizes the development of critical thinking skills through non- routine story problems and the use of targeted assessment rubrics is needed.

Rasch Model Analysis: Validity and Reliability of Context-Based Geometry Performance Assessment Instruments Jakarta Cultural Heritage Bayu Gunawan; Wardani Rahayu; Tian Abdul Aziz
EduMa: Mathematics education learning and teaching Vol. 13 No. 2 (2024)
Publisher : Jurusan Tadris Matematika UIN Siber Syekh Nurjati Cirebon

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24235/eduma.v13i2.18136

The objective of this study is to examine the validity and reliability of performance evaluation rubrics when applied to Jakarta's cultural heritage structures, specifically focusing on the geometrical material. The Rasch Model, namely the Winstep version 3.73, will be utilized for analysis. The Rasch model offers benefits due to its ability to provide more precise estimations and identify flaws within the model. The rubric-based performance evaluation instrument is utilized to evaluate students' problem-solving abilities, with each problem being assigned a distinct rubric. A total of 381 students were sampled from two distinct schools located in North Jakarta and East Jakarta. The study's results indicate that the Cronbach's alpha value attained is 0.96, which is classified as excellent. The individual's dependability score is 0.91, which falls inside the excellent range. Similarly, the item's reliability score is 0.94, also classified as excellent. The item fit test conducted on the instrument indicates that there is no need to reject any items. The components in this performance evaluation instrument have strong validity and reliability, rendering it appropriate for evaluating student performance

Co-Authors Abdul Karim Abdul Karim ABDUL MANAF Ade Dwi Oktaviani Adinda Cahyani Adinda Fuadillah Oktafiani Agung Purwanto Albab, Novita Ullil Amarta Prayuti Amarta Prayuti Ambarwati, Lukita Andita Sulistyaningrum Anggita, Ritzi Anny Sovia Anny Sovia Arsyaf, Fahira Aulia Kartika Syari Aurelia, Flavia Baginda Edward Siagian Bayu Gunawan Chairunnisa Inayatusufi Contillo, Gerry Dwi Antari Wijayanti Dwi Jeanita Sengkey Efendi Napitupulu Eko Siswanto El Hakim, Lukman Ellis Salsabila, Ellis Elvi Nurhayati Selian Ester Sinaga Esti Ambar Nugraheni, Esti Ambar Fadillah Al Amin Fahira Arsyaf Faiza Izzati Mufti Faizah Tasya Nabila Fajrianto, Trian Faoza Saaroh Febriawan, Dimas Flavia Aurelia Flavia Aurelia Hidaja Flavia Aurelia Hidajat, Flavia Aurelia Flavia Aurelia Hidayat Gesti Marsaulina Br. Pakpahan Gesti Marsaulina Pakpahan Gunawan, Bayu Haeruman, Leny Dhianti Hakim, Lukman El Hasna Afifah Indiyah, Fariani Hermin Irfan Wahyu Prananto Janna Sri Bina Br Barus Juniarisandy Saragih Karimah, Nabilah Nurul Khoirunnisa, Mustika Kisworowati Kms. Muhammad Amin Fauzi Kurniasih, Meyta Dwi Lamsihar Gandauli Ritonga Larasati Rizky Putri Lastri Hutagalung Lubis, Risa Nursamsih Lukita Ambarwati Lukman El Hakim Lukman El Hakim Lukman El-Hakim Makmuri Makmuri Makmuri Martinus Didik Setyawan Masitah Shahrill, Masitah Maysun, Maysun Meiliasari Meyta Dwi Kurniasih, Meyta Dwi Miftahul Jannah Muh. Ilham Dhani Muiz Ghifari Muiz Ghifari Mulia, Tri Cahya Mustafa Buğra Akgül Mutiah Muzakki Tamami Nabillah, Rokhmatun Niken Sulfayanti Nita Adelyn Nopiana Yuda, Nina Nur Puji Lestari Nur Puji Lestari Lestari Nurafni Oktaviani Oktafiani, Adinda Fuadillah Pakpahan, Gesti Marsaulina Br. Pasri Pinta Deniyanti Pinta Deniyanti S Pinta Deniyanti Sampoerno Pinta Deniyanti Sampoerno Pramudiani, Puri Prasetyo, Rizky Budi Puri Pramudiani Puri Pramudiani Puri Pramudiani Puri Pramudiani RA Seravika Primasari Rahayu, Wardani Rahmi, Usma Junia Ratna Juwita Restie Amelia Rhaudiya Azahra, Salsabila Riam Nurussilmah Rila Septia Pratama Putri Rila Ritzi Anggita Robiah Adawiyah Rokhmatun Nabillah Rosa Yuliana Rosari, Veni Rotua Simbolon Samosir, Ernika Saraswati, Emiliana Septi Nur Fauziya Shafa Khairunnisa Shofa, Gharitza Zahira Silih Warni Simbolon, Rotua Sofyan Husein Nasution Sri Adi Widodo Sri Adi Widodo Suardi, Suparli Suparli Suardi Supiat Supiat Swida Purwanto Syahdatunnisa, Anis Amalia Tamami, Muzakki Tita Rosita Vera Maya Santi Vivied Eka Pratiwi Wardani Rahayu Yohanes Soenarto Yoppy Wahyu Purnomo Yulia Saraswati Yuliana, Rosa Yumiati YUYUN ELIZABETH PATRAS, YUYUN ELIZABETH

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