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All Journal MEDIA KOMUNIKASI TEKNIK SIPIL JOURNAL OF HEALTHCARE TECHNOLOGY AND MEDICINE Al-Jabar : Jurnal Pendidikan Matematika Gondang: Jurnal Seni dan Budaya Dinamisia: Jurnal Pengabdian Kepada Masyarakat Al-Hayat: Journal of Islamic Education SIKLUS: Jurnal Teknik Sipil Batoboh : Jurnal Pengabdian Pada Masyarakat Laga-Laga: Jurnal Seni Pertunjukan Beta: Jurnal Tadris Matematika Martabe : Jurnal Pengabdian Kepada Masyarakat JURNAL PENDIDIKAN TAMBUSAI axial : jurnal rekayasa dan manajemen konstruksi Care : Jurnal Ilmiah Ilmu Kesehatan Jurnal Pendidikan Teknologi Informasi dan Vokasional Jurnal Ilmiah Pendidikan Matematika Al Qalasadi Science Midwifery BERNAS: Jurnal Pengabdian Kepada Masyarakat Jurnal Kinerja Kependidikan (JKK) MAHESA : Malahayati Health Student Journal Journal of Community Development Interdisciplinary Social Studies Green Intelligent Systems and Applications Al-Hijr: Journal of Adulearn World Journal Of Human And Education (JAHE) Dinamika Kesehatan: Jurnal Kebidanan dan Keperawatan Musik Etnik Nusantara AKSARA: Jurnal Bahasa dan Sastra Edumatica: Jurnal Pendidikan Matematika SAINSTEK Eduvest - Journal of Universal Studies Innovative: Journal Of Social Science Research Pena Dimas: Jurnal Pengabdian Masyarakat Buletin Pengabdian IndoMath: Indonesia Mathematics Education Femina Jurnal Ilmiah Kebidanan Polyhedron International Journal in Mathematics Education International Journal of Sustainable Building, Infrastructure and Environment Journal Of Medicine And Health Sciences (Medisci) Jurnal Teknik Sipil Jurnal Polimesin Journal of Social Work and Science Education The Indonesian Journal of Computer Science Indonesian Trust Health Journal Jurnal Abdimas Kesehatan The International Journal of Mathematics and Sciences Education Jurnal Pendidikan MIPA Arshaka: Pedagogy and Learning Review
Elizar Elizar, Elizar
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Journal : jurnal pendidikan mipa

 1 
Abilities and Difficulties of Ninth-Grade Students in Solving Geometry Transformation Problems Trisna, Tasya Aprilla; Ikhsan, M; Elizar, Elizar
Jurnal Pendidikan MIPA Vol 23, No 4 (2022): Jurnal Pendidikan MIPA
Publisher : FKIP Universitas Lampung

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Abstract

Geometry is one of the challenging subjects for students. This study aimed to determine the ability of students to solve geometric transformation problems, the difficulties they experienced, and the causes. This research employed a mixed method with a sequential explanatory design. Eight Year 9 students were the subjects of this study. Data were collected through tests and interviews. The data were analyzed quantitatively, followed by qualitative analysis involving reducing data, presenting data, and concluding. The results indicated that the student's ability to solve geometric transformation problems was moderate. Students found it difficult to solve geometric transformation problems. The student's difficulties included determining the translation when a starting point and an image point were given and determining the image of a point/curve by a transformation. Students had not fully mastered the schemes in the geometric transformation, were not proficient in using formulas, and were not precise in their calculations.Keywords: students’ difficulty, transformation, translation, rotation, dilatation.DOI: http://dx.doi.org/10.23960/jpmipa/v23i4.pp1724-1737
Design Research on an RME-Based Mathematics Module for Teaching Data Collection and Handling in Primary Schools Yuhasriati, Yuhasriati; Elizar, Elizar; Fatimah, Siti; Anwar, Anwar
Jurnal Pendidikan MIPA Vol 27, No 2 (2026): Jurnal Pendidikan MIPA
Publisher : FKIP Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jpmipa.v27i2.pp847-866

Abstract

Elementary school mathematics education is critical to fostering students' intellectual skills and problem-solving capacities; however, early learners tend to view mathematics, including early conceptions about statistics, data collection, and analysis, as an abstract subject with negligible practical applications to their real lives. Realistic Mathematics Education (RME) would be one remedy, involving students' immersion in rich real-world contexts; however, empirical support for its application to early statistical learning remains limited. This study developed, implemented, and validated an RME-based instructional module on data collection for third-grade students using a design-research methodology (preliminary research, prototyping, assessment) conducted collaboratively with teachers. The module was trialed in two urban primary schools, with evidence gathered from standardized tests, classroom observations, teacher surveys, and student interviews. Quantitative analysis also demonstrated a substantial increase in data-handling ability with mean scores rising from 58% pre-test to 78% post-test, t(51) = 6.72, p < .001, mean difference = 20.0 percentage points (SE = 2.98; 95% CI [14.02, 25.98]), Cohen's dz = 0.93, an effect size reflecting a large effect. In addition, the McNemar test showed a significant increase in the proportion of students meeting the minimum mastery-learning criteria following the intervention. Qualitative observations indicated increased engagement, more balanced collaborative problem-solving, and improved mathematical exposition. The teacher's response showed relevance and practicality but also raised concerns about time management and a preference for more differentiated tasks for advanced learners. These findings confirm the value of RME in enhancing early pupils' statistical ability, but also reveal a continuing need for iterative design supported by active contributions from teachers. Future work should examine long-term retention and scalability across diverse school contexts. Keywords: RME, mathematics module, data collection, primary students.
Co-Authors A Admiral A'la, Nurul Abdul Kudus Adhyaksa, Faisal Faridh Adriati, Yolly Agnesa, Erna Agung Prihatmojo, Agung Ahmadi, Heri Alvionida, Fitra Anas Puri, Anas Andela, Jhori Anggreana, Vella Anwar Anwar Ardiansyah, Rony Arnailis Arnailis Asmaul Husna Astryna, Syarifah Yanti Asyraful Ihsan Azhari, Rizki Azra, Ery badawi - Badawi, Badawi Berta Apriza Bintang Zaura Cut Morina, Zubainur Deddy Purnomo Retno Deprizon Syamsunur, Deprizon Dewi Sri Kuning, Dewi Sri Dewi, Sri Hartati Dewita Dewita Ediwar Ediwar edy susanto ERNAWITA ERNAWITA Farhan, Dani Fathurrahman Fathurrahman Fatiyani Firdaus Firdaus Firman Firman Fithriany Fitraniar, Iin Fitridawati Soehardi, Fitridawati Gustiana Gustiana, Gustiana Hafizhah, Mira Hamzaini, Hamzaini Harahap, Amal Risky Hartati Dewi, Sri Heltha, Fahri Hendri Rahmat, Hendri Herlinda Mansyur Ilahi, Rendi Kurnia Imam Muslim, Imam Irma Seriana Irnawati Irnawati Iswani, Rayana Jasmiati Jasmiati, Jasmiati Jasmiati, Jamiati Jasmiyati, Jasmiati Kartinazahri, Kartinazahri Kartini Putri, Hendrika Wijaya Keumalahayati Kuning, Dewi Lutfi, Mutia M Ikhsan Mahadi Kurniawan Mailizar Mailizar Maiprillia, Puja Makulua, Korlina Malahayati, M. Marlaily Idris Marta Dinata Martis, Martis Mega Fatimah Rosana Meilina, Rulia Melinda Melinda Mikaresti, Pamela Miko , Ampera Mildawati, Roza Mirdan Kurniawan, Mirdan Mochammad Imron Awalludin Muhardiffa, Azzahra Muhiban, Muhiban MUHIBBAN, MUHIBBAN Muhklis, Defri Ahmad Muttaqin, Muchammad Zaenal Nazira Nazira Nurmalena, Nurmalena Nurmila, Nurmila Nurrochmi, Endang Pandia, Betharia Sembiring Panjaitan, Yohana Pinta Uli Pattiruhu, Claudia Monique Pebryatie, Elit Prayuda, Novandra Prihati, Nova Sumaini Prihatin, Nova Sumaini Puspa Ningrum Putra, Rio Eko Putri, Hendrika Wijaya Kartini Putri, Hendrika Wijaya Katrini Putri, Hendrika Wijaya Kusuma Putri, Rika Murida Putri, Tasya Rahmadani Putri, Tasya Rahmadani Putrid Rafiloza, Rafiloza Rahmadhany, Rezky Aulia Retno, Deddy Purnomo Rosdiana, Eva Rosdiana, Yanti Rosyita, Rosyita Rosyta, Rosyta Rusdha Muharar, Rusdha Sarah Alwiah, Sy Sari, Yusra Aulia Siti Fatimah Sopandi, Agus Tatang Sugeng Wiyono Suryawati Suryawati Susanti, Neny Syafniati, Syafniati Syahminan, Mochammad Syahminan, Mohamad Syahyadi, Rizal Syamsul Asril Syofia, Ninon Thalib, Najdah Toyeb, Muhammad Trisna, Tasya Aprilla Wahida Wahyuni Wahyu Rahmadhan, Wahyu Yuhasriati, Yuhasriati Yunidar Yuniwati, Cutyuniwati Yusnaini Yusnaini Zulfahmi Zulfahmi Zulkifley, Mohammad Asyraf