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Dadan Dasari

Univeritas Pendidikan Indonesia

Author-ID : 2838049

Religion Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Library & Information Science Materials Science & Nanotechnology Mathematics Mechanical Engineering Physics Public Health Social Sciences Transportation Other

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Systematic Literature Review: Identitas Matematika dalam Pembelajaran Matematika Ridho, Muhamat Hidayatul; Dasari, Dadan
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.v7i1.1989

Identitas dalam penelitian pendidikan semakin banyak dimanfaatkan khususnya dalam mendeskripsikan dan mengeksplor kegigihan seorang peserta didik dalam memahami suatu materi. Kaitannya dengan konteks matematika, Identitas merupakan hasil deskripsi dari bagaimana seorang peserta didik dipandang sebagai seseorang yang ‘memiliki matematika’ (math person) oleh orang lain ataupun diri individu itu sendiri. Dengan demikian, siswa dan guru membutuhkan peningkatan identitas matematika agar mendapatkan karakter matematika yang kuat dan abadi dalam mengaplikasikan konsep-konsep matematika. Artikel ini menyajikan systematic literature review (SLR) tentang identitas matematika yang diterbitkan dalam lima tahun terakhir. Penelitian ini telah mengumpulkan informasi dan hasil studi peneliti dari seluruh dunia untuk memberikan gambaran umum tentang penelitian identitas matematika dalam pembelajaran matematika di sekolah. Pertanyaan kunci dalam penelitian ini adalah bagaimana artikel ini didistribusikan berdasarkan tahun publikasi, jenjang pendidikan, metode, kerangka konseptual identitas matematika, dan ukuran tingkatan identitas matematika. Penelitian ini berpedoman pada Preferred Reporting Items for Systematic Review and Meta-Analysis (PRISMA) yang menghasilkan artikel penelitian untuk ditinjau secara sistematis. Hasil penelitian menunjukkan bahwa studi terkait identitas matematika pada tahun 2019 dan 2020 merupakan masa berkembangnya publikasi artikel terkait identitas matematika di jurnal internasional yang bereputasi, para peneliti lebih tertarik untuk melakukan penelitian identitas matematika di tingkat sekolah dasar, sebagian besar studi tentang identitas matematika menerapkan metode kualitatif menggunakan wawancara sebagai instrumen kunci dalam mengungkap dan mendeskripsikan identitas matematika seseorang.

Development of Mathematics Didactic Design with Integration of Peer Instruction Regarding Representational Ability of High School Students Komala, Elsa; Suryadi, Didi; Dasari, Dadan
JTAM (Jurnal Teori dan Aplikasi Matematika) Vol 5, No 2 (2021): October
Publisher : Universitas Muhammadiyah Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31764/jtam.v5i2.5172

This study focuses on the ability of representation with the integration of peer instruction which was developed through didactic design development research. The purpose of this research is to develop a didactic design in the form of learning tools, which are referred to in this study, namely: Lesson Plans, Teaching materials in the form of Student Worksheet in the form of student guides containing material information, sample questions, and practice questions. According to the problems experienced by students related to the ability of representation. The process of developing learning tools using Didactical Design Research (DDR), consists of didactic situation analysis, metapedadidactic analysis, and retrospective analysis. The didactic design developed was validated by 3 experts, namely 1 mathematics education lecturer and 2 high school mathematics teachers. The results showed that the learning plans were obtained in the form of a didactic design in the form of lesson plans that integrated peer instruction and worksheets for 8 meetings with the overall results of each aspect of the learning device being analyzed descriptively by revising the didactic design based on input and notes from the validator. Mathematics didactic design in high school to minimize learning obstacles related to students' representational abilities, includes 1) The material begins with the introduction of problems that are suitable for the situation and even related to the context of daily life, providing an overview of the benefits of the material to be studied, 2) Strengthening the material prerequisites presented at the first meeting, 3) Integrating peer instruction in the implementation of mathematics learning, 4) Providing scaffolding at the time of learning, 5) Student work and assignments are corrected and confirmed directly. In addition, the process of strengthening the visual representation process, modeling or mathematical expression, and the process of making written words presented on the worksheets is also carried out. Thus, the mathematical didactic design with the integration of peer instruction has provided appropriate learning activities; the purpose, depth and accuracy of the concepts and materials presented are traceable, communicative, the clarity of the images and spelling is appropriate, there is no correction given by the validator, so it can be implemented with the aim of developing students' mathematical representation abilities.

Uncovering Key Educational Predictors of GPA in Mathematics Education Undergraduates: A Decision Tree Classification Study Andriatna, Riki; Dasari, Dadan
Jurnal Pendidikan MIPA Vol 26, No 4 (2025): Jurnal Pendidikan MIPA
Publisher : FKIP Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jpmipa.v26i4.pp2267-2282

Student academic achievement in the form of Grade Point Average (GPA) is one of the measures to assess the quality of learning. Not only are individual cognitive factors a determinant of students' high GPAs, but other non-cognitive factors can affect GPA achievement. Therefore, this study aims to examine the factors that influence academic achievement, as measured by GPA. This study was a descriptive quantitative study involving 63 mathematics education student respondents, to identify the factors that influence the GPA achievement of students in the mathematics education study program. The data was analyzed descriptively and tested using a decision tree. Based on the decision tree algorithm, the results showed that learning methods were the dominant factor in classifying student GPA achievements, specifically whether the GPA of 3.50 or higher or less than 3.50. Students with a GPA of 3.50 or higher tend to benefit positively from discussion-based learning methods, while those with a GPA of less than 3.50 tend to engage more with traditional learning approaches. In addition to learning methods, factors such as the reason for choosing the study program, parents’ educational background, and the duration of independent study time also contribute to strengthening or weakening students’ GPA achievements. In the model evaluation results, the decision tree algorithm showed good predictive performance, demonstrating its effectiveness in classifying students based on their GPA achievement levels. Therefore, the results of this study can serve as a reference for educators and educational institutions to design more effective pedagogical strategies that not only strengthen cognitive skills but also foster the holistic development of students in mathematics education programs. Keywords: classification, decision tree, grade point average, mathematics education.

Implementasi Media Android Kepada Calon Guru, Guru SMA dan MA di Kabupaten Indramayu Gunadi, Farid; Dadang Juandi; Rizki Dwi Siswanto; Sholikhakh, Rizqi Amaliyakh; Saputri, Veni; Kusumah, Yaya S.; Dasari, Dadan
Jurnal SOLMA Vol. 14 No. 3 (2025)
Publisher : Universitas Muhammadiyah Prof. DR. Hamka (UHAMKA Press)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22236/solma.v14i3.19408

Background: Based on observations and interviews with teachers and grade XII students, it was found that students still have difficulty understanding mathematics. This is due to the lack of creativity of teachers in creating technology-based learning media. Method: This community service activity aims to provide solutions through simulations and focus group discussions (FGD) on the use of Android-based learning media. FGD participants consisted of 11 teachers and 3 prospective teachers from high schools and Islamic high schools in Indramayu. The activity was carried out through direct simulations and discussions, with data collection using questionnaires that were analyzed through the validity test of the Aiken and Atlas-ti indexes. Results: The results showed that Android media met the aspects of content quality, learning, and technical aspects with the category of "feasible" (average score of 3.454). Conclusion: The application was declared feasible for use in learning, although it still needs further development according to participant input.

Penelitian berpikir kritis calon guru pendidikan matematika Di Indonesia (2015-2023): Tinjauan bibliometrik Muhammad, Ilham; Siahaan, Erika Yohanna Seventina; Dasari, Dadan; Maharani, Swasti
Jurnal Math Educator Nusantara: Wahana Publikasi Karya Tulis Ilmiah di Bidang Pendidikan Matematika Vol 9 No 1 (2023): Jurnal Math Educator Nusantara
Publisher : Program Studi Pendidikan Matematika, Universitas Nusantara PGRI Kediri

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29407/jmen.v9i1.19734

Critical thinking involves being mentally organized and participating in a judgmental process to solve problems. The purpose of this study is to look at the focus of research related to critical thinking of pre-service teacher teachers of mathematics education, especially in Indonesia from 2015 to 2023. The method used in this study is a descriptive bibliometric analysis method. The Scopus database is used to obtain the necessary data. The results of the research show that publications related to the critical thinking of pre-service teacher teachers of mathematics education in Indonesia have increased from 2018 to 2020. Most of the publications were published in conference papers and some were in Q2 journals. The research focus is divided into 4 sections, namely, 1) mathematics teacher , mathematical problems , algebra , and qualitative research ; 2) critical thinking skills , mathematics education , and learning systems ; 3) problem based learning and STEM; 4) data analysis techniques, information analysis. The material that is the focus of research is algebra. New themes for this field are experimental research, digital platforms, quantitative methods, and group theory. The keywords of critical thinking skills are not directly connected with these new themes

Enhancing Mathematics Comprehension: A Decision Tree Analysis Using Orange Data Mining Ariyanti Jalal; Dadan Dasari
AL-ISHLAH: Jurnal Pendidikan Vol 17, No 2 (2025): JUNE 2025
Publisher : STAI Hubbulwathan Duri

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35445/alishlah.v17i2.6433

Comprehension skills are essential in mathematics learning, as students' understanding is influenced by various internal and external factors. Recognizing these factors is crucial for educators to design effective teaching strategies. This study aims to classify and predict students' mathematical comprehension based on gender, attitude, learning styles, and self-confidence. A total of 53 eleventh-grade students from SMA Negeri 8 Ternate participated. Primary data were analyzed using data mining techniques—specifically, classification and prediction using the Decision Tree method via Orange Data Mining software. The analysis identified learning style as the most influential factor in students’ mathematical comprehension. The Decision Tree's root node represented comprehension data from 31 students, of which 19 students (61.3%) were classified as having understood the material. The internal node revealed two branches: students with an auditory learning style (8 students) showed a 100% understanding rate, whereas students with kinesthetic or visual styles (11 students) demonstrated a 47.8% understanding rate. The model's prediction accuracy based on the four attributes was 65%. Findings highlight the significance of tailoring instruction to students' learning styles. The relationship between visual, auditory, and kinesthetic learning preferences—when considered alongside gender, attitude, and self-confidence—can offer valuable insights into learning patterns. This study provides a practical reference for educators in developing effective and personalized teaching methods. By leveraging insights into learning styles and associated factors, instructional approaches can be optimized for improved mathematical comprehension.

Knowledge reduction in Indonesian and Japanese textbooks on the concept of area in elementary school: A didactical transposition study Muhaimin, Lukman Hakim; Suryadi, Didi; Dasari, Dadan; Juandi, Dadang; Pahmi, Samsul; Yulianti, Sri
Indonesian Journal of Science and Mathematics Education Vol. 8 No. 3 (2025): Indonesian Journal of Science and Mathematics Education
Publisher : Universitas Islam Negeri Raden Intan Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24042/ijsme.v8i3.29466

The concept of area is fundamental to geometry and essential for applications in various fields, including physics, engineering, and data analysis. This study examines the gap between mathematicians’ views on area and its presentation in Indonesian and Japanese elementary textbooks, as well as its impact on student learning. Using the Anthropological Theory of Didactics and a qualitative phenomenological design, the analysis focuses on chapters discussing the area, applying a three-stage content analysis to identify conceptual components, formula presentations, shape variations, and task types. This analysis is supported by quantitative indicators, such as the task variation index and proportions of exploratory versus procedural tasks. The findings indicate that Japanese textbooks employ a more systematic and comprehensive didactic approach, offering a range of tasks, exploratory methods, and logical sequencing that promote independent learning. In contrast, Indonesian textbooks rely on repetitive, limited cut-and-paste methods, which may lead to a rigid understanding and learning obstacles. The study suggests the need for a critical evaluation of textbooks and more conceptually coherent learning designs, aligned with mathematical principles. It recommends task designs that integrate exploration and reasoning, consistent formula derivation, and broader variations of shapes to reduce learning barriers.

Analisis Kemampuan Penalaran Matematis Siswa SMP dengan Menggunakan Pembelajaran Berbasis Masalah pada Materi Sistem Persamaan Linier Dua Variabel Susilowaty, Nora; Dasari, Dadan
Jurnal Pendidikan Matematika Unpatti Vol 6 No 3 (2025): Jurnal Pendidikan Matematika Unpatti
Publisher : Program Studi Pendidikan Matematika Fakultas Keguruan dan Ilmu Pendidikan Universitas Pattimura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30598/jpmunpatti.v6.i3.p178-186

Kemampuan penalaran matematis (KPM) merupakan aspek penting yang harus dikembangkan dalam pembelajaran matematika karena berperan dalam membantu siswa memahami konsep, memecahkan masalah, dan mengambil keputusan secara logis. Penelitian ini menyajikan analisis terhadap kemampuan penalaran matematis yang dimiliki siswa melalui pembelajaran berbasis masalah berdasarkan level kemampuan siswa yang diklasifikasikan ke dalam kategori tinggi, sedang, dan rendah dalam materi sistem persamaan linier dua variabel. Dalam penelitian ini digunakan desain penelitian kualitatif dengan pendekatan deskriptif. Partisipan dalam penelitian ini terdiri dari 13 siswa kelas VIII di SMP Advent Parongpong, sedangkan subjek utama dalam analisis mendalam diambil 3 siswa. Data diperoleh melalui pelaksanaan tes tertulis dan sesi wawancara. Hasil penelitian ini menggambarkan bahwa siswa dengan kemampuan KPM pada kategori tinggi mampu memenuhi ketiga indikator yang diukur secara menyeluruh. Sebaliknya, KPM siswa pada kategori sedang hanya mampu menyelesaikan soal yang mencakup satu indikator, yang disebabkan oleh tingkat ketelitian yang masih rendah dalam proses pengerjaan. Adapun KPM siswa pada kategori rendah tidak menunjukkan keberhasilan dalam menyelesaikan seluruh indikator secara tepat, yang disebabkan kurangnya penguasaan terhadap konsep dasar, aturan, serta prosedur penyelesaian yang tepat. Di samping itu, rendahnya ketelitian turut menjadi faktor utama yang menghambat pencapaian mereka.

Integrating Realistic Mathematics Education (RME) in E-Comic Media: A Novel Approach to Foster Mathematical Creativity Siswanto, Rizki Dwi; Kusumah, Yaya S; Dasari, Dadan; Juandi, Dadang; Hendriyanto, Agus; Bayuaji, Luhur
Journal of Educational Technology and Learning Creativity Vol. 3 No. 2 (2025): December
Publisher : Cahaya Ilmu Cendekia Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37251/jetlc.v3i2.2492

Purpose of the study: This study aims to examine the effectiveness of integrating Realistic Mathematics Education (RME) into e-comic media for junior high school students in Jakarta in order to foster mathematical creativity and improve students’ ability to connect mathematical concepts with real-life situations. Methodology: This study employed a Research and Development (R&D) design using the ADDIE instructional model to develop RME-based e-comic media. The product was implemented with junior high school students in Jakarta, and data on mathematical creativity and learning responses were collected using creativity tests, questionnaires, classroom observations, and analyzed using descriptive and inferential statistics. Main Findings: The results indicate that RME-based e-comic media significantly improved students’ mathematical creativity across all indicators, including fluency, flexibility, originality, elaboration, and insight. Students showed higher learning motivation, more active engagement in discussions, and an increased ability to relate mathematical concepts to daily life, while teachers reported more dynamic classroom interactions, participation, and collaboration. Novelty/Originality of this study: This study introduces an innovative integration of Realistic Mathematics Education with interactive e-comic media to foster mathematical creativity in junior high school students. It advances mathematics education by demonstrating how context-rich, visually engaging digital narratives can transform conventional instruction into student-centered, creativity-oriented learning experiences and provides a scalable model for technology-enhanced, creativity-focused mathematics instruction.

Students’ Difficulties in Solving AKM Numeracy Problems in Algebra: An Analysis Based on Learning Styles Shafa Salsabila; Endang Cahya Mulyaning Asih; Dadan Dasari
MATHEMA: JURNAL PENDIDIKAN MATEMATIKA Vol. 7 No. 2 (2025): MATHEMA
Publisher : Universitas Teknokrat Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33365/jm.v7i2.84

This study explores junior high school students’ numeracy skills in solving AKM-equivalent algebra problems based on their learning styles: visual, auditory, and kinesthetic. Using a qualitative case study design, nine students were selected through a learning style questionnaire and a numeracy test. Data were gathered using tests, interviews, and document analysis. The findings reveal that students with different learning styles demonstrate distinct strengths and challenges at each cognitive level (knowing, applying, and reasoning). High-proficiency students were able to solve problems across all levels, often using strategies aligned with their learning preferences. Moderate-proficiency students commonly faced difficulties in applying-level tasks due to conceptual misunderstandings, while low-proficiency students struggled across all levels, particularly with comprehension and focus. Despite these difficulties, students employed various successful strategies such as sketching, verbalizing, or imagining scenarios. The study highlights the importance of adaptive instruction that integrates learning style-based strategies. Practical recommendations are provided for educators to design inclusive numeracy instruction that enhances students’ mathematical understanding and problem-solving abilities.

Co-Authors Aan Hasanah Abdul Wahab A Abdurrahman do muhamad Naser Abdurrahman Do. Muhamad Naser Agus Hendriyanto Ahmad Lutfi AHMAD LUTFI Ahmad Mukhibin Ahmad Mukhibin, Ahmad Alliseu Umiyati Ambarwati, Dela Ariyanti Jalal Aswin Aswin Atika Defita Sari Bahar, Afipa Amalia bambang avip Priatna Budi Rianto Christina Monika Christina Monika Samosir Cut Nadia Rachmi Dadang Juandi Dadang Juandi Dadang Juandi Dadang Junadi Dameria Elisabeth Simanjuntak Darhim Darhim Dela Ambarwati Desy Lusiyana, Desy Dewi, Niken Shofiana Didi Suryadi Didi Suryadi Didi Suryadi Didi Suryadi Didi Suryadi Didi Suryadi Didi Suryadi Dika Faiz Himmawan Diki Mulyana Drajat, Widi Rahmawati Edi Supriyadi Eka Khairani Hasibuan Elah Nurlaelah Elah Nurlaelah Elsa Komala Elsa Komala, Elsa Endang Cahya Mulyaning Asih Enjun Junaeti Erika Yohanna Seventina Siahaan Eyus Sudihartinih Fadhil Zil Ikram Fatimah, Siti Fatmiyati, Novita Febrianti, Tri Sedya Febrinna Marchy Fitri, Rahmia Mulya Fitria Maghfiroh, Fitria Fitria, Nida Fitriani agustina Fitriasari, Putri Fitriyah, Yuni Freddy Prasetyo Freddy Prasetyo, Freddy Gita Rani Putri Mangiri Gita Safitri Gunadi, Farid Hafilah, Putri Harahap, Maulana Al Aziz Hasya Nur Auliya Hendriyanto, Agus Hidayat, Azhar Majid Himmawan, Dika Faiz Husna Fatwana Ilham Muhammad Ilham Muhammad Inayah, Clara fadhilah Inayah, Sarah Jajang Rahmatudin Jarnawi Afgani Dahlan Jarnawi Afgani Dahlan Jozua Sabandar Kakoma Luneta Khofifa Romaito Siregar Laia, Harun Onesimus Lethulur, Nelma Dortje Lia Ardiansari Lia Arista Lina Nurhayati Lomri, Yani Astika Lubis, Asep Ridwan Lucky Heriyanti Jufri, Lucky Heriyanti Luhur Bayuaji, Luhur Lukman hakim muhaimin Lukman Lukman Lutfi, Jasmine Salsabila Luthfiyati Nurafifah Ma'ulfi Kharis Abadi Magdalena Wangge Mansyur, Azizul Jabbar Marchy, Febrinna Mardliyah, Syifa Marhami Marhami Marhami, Marhami Maria Stella Yosefina Galus Maria TSN Ma’ulfi Kharis Abadi Mitrayana - Mufarrido Husnah Muhaimin, Lukman Hakim Muhammad Fajar Anugrah Mulia Putra N. Nurjanah Nadyati Putri Nanang Priatna Nar Herrhyanto Naser, Abdurrahman Do. Muhamad Neza Zakiya Arili ningrum, yunia jumita Nisa Azzahra Nora Susilowaty Novita Fatmiyati Nurafni Nurdiani, Nunung Nurdiani, Nunung Nurhayati, Hanifah Nurhayati, Lina Pahmi, Samsul Palupi Sri Wijayanti Palupi Sri Wijayanti, Palupi Sri Panjaitan, M. Azhari Patrisius Afrisno Udil, Patrisius Afrisno Pieter Zakarias Tupamahu Pujia Siti Balkist Putri, Mei Radia Rafi Kamindra Rahma Adinda Sartika Rahmat Fitra Rahmat Kusharyadi Raisya Hizkiya Syabina Ramdhan Fazrianto Suwarman Rani Sugiarni Rasilah Rasilah Rasilah, Rasilah Rayinda Khaerul Wiladah Bahrun Rianto, Budi Ridho, Muhamat Hidayatul Riki Andriatna Rita Novita Ritmayanti, Indah Rahmania Rizqi Dwi Maharani Rusyid, Husnul Khatimah Saffanah Pertiwi Safitri, Gina safitri, gita Samosir, Christina Monika Sani Sahara Saputra, Andari Saputri, Veni Sari, Atika Defita Sari, Merisa Ammelia Savitri, Gina Scristia, Scristia Shafa Salsabila sholikhakh, Rizqi Amaliyakh Siahaan, Erika Yohanna Seventina Silitonga, R. H. Yanti Simanjuntak, Sinitta Simbolon, Asep Siswanto, Rizki Dwi Siti Fatimah Solehudin Solehudin Sri Hastuti Noer Sri Yulianti Sufyani Prabawanto, Sufyani Surya Kurniawan Swasti Maharani, Swasti Syafdi Maizora Syafdi Maizora Syaiful Syifa Mardliyah Syufyani Prabawanto Tarmudi, Tarmudi Tatang Herman, Tatang Tia Purniati Tri Nova Hasti Yunianta Trysa Gustya Manda Turmudi Tuti Hartati Wahab A, Abdul Wangge, Magdalena Widyastuti Widyastuti Yani Astika Lomri Yaya S Kusumah Yaya S. Kusumah Yaya S. Kusumah Yaya S. Kusumah Yaya Sukjaya Kusuma Yaya Sukjaya Kusumah Yuce Sandra Yuni Fitriyah Yunia Jumita Ningrum

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