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All Journal Journal of Mathematics Education and Application (JMEA) AKSIOMA: Jurnal Program Studi Pendidikan Matematika EDUTECH: Jurnal Ilmu Pendidikan dan Ilmu Sosial NUMERICAL (Jurnal Matematika dan Pendidikan Matematika) AL ISHLAH Jurnal Pendidikan JURNAL PENDIDIKAN TAMBUSAI Jurnal Cendekia : Jurnal Pendidikan Matematika JURNAL MATHEMATIC PAEDAGOGIC Indonesian Journal of Education and Mathematical Science Budapest International Research and Critics Institute-Journal (BIRCI-Journal): Humanities and Social Sciences Akrab Juara : Jurnal Ilmu-ilmu Sosial Jurnal Penelitian, Pendidikan dan Pengajaran: JPPP Journal of Education and Teaching Learning Journal Mathematics Education Sigma [JMES] Cybernetics: Journal of Research and Educational Studies Edu Cendikia: Jurnal Ilmiah Kependidikan Indo-MathEdu Intellectuals Journal EduMatika: Jurnal MIPA Jurnal Ilmiah Mahasiswa Pendidikan Eduvest - Journal of Universal Studies Jurnal Inovasi Pembelajaran dan Pendidikan Islam IHSAN : Jurnal Pendidikan Islam Indonesian Journal of Science, Technology, and Humanities Jurnal Pendidikan Matematika QOSIM: Jurnal Pendidikan, Sosial & Humaniora Tut Wuri Handayani : Jurnal Keguruan dan Ilmu Pendidikan Jurnal Media Akademik (JMA) Hikamatzu Journal of Multidisciplinary Research AT-TAKLIM: Jurnal Pendidikan Multidisiplin Education Curiosity An Najah (Jurnal Pendidikan Islam dan Sosial Keagamaan)
Ellis Mardiana Panggabean
Universitas Muhammadiyah Sumatera Utara
Religion Aerospace Engineering Arts Humanities Biochemistry, Genetics & Molecular Biology Chemistry Computer Science & IT Economics, Econometrics & Finance Education Health Professions Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Library & Information Science Mathematics Medicine & Pharmacology Neuroscience Physics Social Sciences Other

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Journal : Indo-MathEdu Intellectuals Journal

 1 
Penerapan Pendekatan Matematika Realistik (PMR) pada Materi Trigonometri untuk Meningkatkan Pemahaman Konsep Lubis, Mindo Juliani Kelly; Panggabean, Ellis Mardiana; Tambunan, Hardi
Indo-MathEdu Intellectuals Journal Vol. 6 No. 1 (2025): Indo-MathEdu Intellectuals Journal
Publisher : Lembaga Intelektual Muda (LIM) Maluku

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54373/imeij.v6i1.2743

Abstract

This study aims to determine the improvement of students' ability to understand mathematical concepts by using the Realistic Mathematics Approach (PMR). This study is a pseudo-experimental research with posttest only control group design. The population of this study is all students of grade XI SMK Negeri 6 Medan even semester of the 2025 school year with a total of 280 students and distributed into 8 classes. The sample of this study is class X Accounting 1 with a total of 36 students as an experimental class and class X Accounting 2 with a total of 35 students as a control class. Data were collected using tests and statistically analyzed to find out the differences between the two classes. The results of the hypothesis test with the Mann Whitney U test, it is known that the value of Z-count = 1.879 is more than Z-critical = 1.645. This shows that the median concept understanding of students who follow learning with the PMR Approach is higher than the median concept understanding that follows regular learning. The average value of students' concept understanding in the class applying the PMR approach x ̅=62 was higher than the class that followed the usual learning where x ̅=53. Thus, it can be concluded that the understanding of mathematical concepts of students who participate in learning with the PMR approach is higher than the understanding of mathematical concepts of students who follow ordinary learning
Implementasi Model Project Based Learning (PjBL) pada Materi Pola Bilangan untuk Meningkatkan Pemecahan Masalah Siswa SMP Negeri 1 Pantai Cermin Sihombing, Heldon; Panggabean, Ellis Mardiana; Naibaho, Tutiarny
Indo-MathEdu Intellectuals Journal Vol. 6 No. 5 (2025): Indo-MathEdu Intellectuals Journal
Publisher : Lembaga Intelektual Muda (LIM) Maluku

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54373/imeij.v6i5.4058

Abstract

This study aims to determine the effect of the Project Based Learning (PjBL) model on students' mathematical problem-solving abilities. This research uses a quantitative approach with a quasi-experimental method. The research sample consists of two eighth-grade classes at SMP Negeri 1 Pantai Cermin, each consisting of 30 students. Class VIII-1 serves as the experimental class treated with the PjBL model, while class VIII-2 serves as the control class using conventional methods. Data were collected through pretest and posttest, then analyzed using normality test, homogeneity test, and t-test. The test results indicate that the data is normally distributed and homogeneous. The t-test shows a significance value < 0.05, which means there is a significant difference between the two classes. The average posttest score of the experimental class (86) is higher than that of the control class (72). These results suggest that the PjBL model has a positive effect on improving students' problem-solving skills.
Co-Authors Akhir Andika Aritonang Alfauzan Ramadhanny Simangunsong Anastasya, Wanda Aprilia, Maelani Asriko Muhsi Aulia, Virna Ayu Najmita Binti Ir Zulkarnain Ayu Najmita Binti Ir Zulkarnain Dina Safira Hutabarat Eggy Monicasari Famella, Ajeng Feri Haryati Giawa, Sentosa Gultom, Limasso Hartati, Triayuni Hasanah, Annisa Nur Hendrik Hendrik Hesti Asmika Ibrahim Indra Maryanti Indra Risky Mahesa Irvan Irvan Irvan, Irvan Izdahara, Dini Kamaruddin Kamaruddin Kumala, Putri Linda Syah Putri Lisa Anggeraini Lubis, Mindo Juliani Kelly Mahyuni Maria Magdalena Mawariah, Mawariah Meyly Andyny Naibaho, Tutiarny Naila Fauziah Niska Bonitasia Zendrato Novita, Anggi Nuri Irmayani Pamungkas, Bimantara Tri Pamungkas, Sugeng Adi Putri, Tiara Zakiah Rahmah, Annisa Ramadhan, M. Fajri Ramadhani, Esa Laila Ramadhani, Nisa Sahira, Perisha Elsa Sarida Pulungan Selamet Sihombing, Heldon Sinaga, Agustina Mayen Rilen Sitorus, Niken Ananda Sri Hastuti Sri Wahyuni Sri Wahyuni SRI WAHYUNI Syafi’I Tamba, Sri Rejeki Tambunan, Hardi Tamrin Manurung Triadi, Muhammad Arief Triayuni Hartati Tua Halomoan Tua Halomoan Harahap Tua Halomoan Harahap Tua Halomoan Harahap, Tua Halomoan Ulfa, Fathia Utari Prantika Hasibuan Zahara, Hafifa Zenfiqa Aditya Ramadhani Br Sitepu Zulfah Marpaung Zulfah Marpaung