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Syarifah Nur Siregar
Universitas Riau
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Journal : Jurnal Didactical Mathematics

 1 
Implementation of Problem-Based Learning Model to Improve Mathematical Problem-Solving Skills of Grade XI-2 Students of SMAN 19 Pekanbaru Siahaan, Yuni Hariati; Siregar, Syarifah Nur; Murni, Atma
Jurnal Didactical Mathematics Vol. 8 No. 1 (2026): April 2026
Publisher : Program Studi Pendidikan Matematika, Universitas Majalengka

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31949/dm.v8i1.17437

Abstract

This study aimed to improve students’ mathematical problem-solving ability through the implementation of the Problem-Based Learning (PBL) model in mathematics instruction. The study employed a collaborative Classroom Action Research (CAR) design conducted in two cycles involving planning, implementation, observation, and reflection stages. The participants consisted of 41 students of Grade XI-2 at SMAN 19 Pekanbaru during the odd semester of the 2025/2026 academic year. Data were collected through classroom observation and mathematical problem-solving ability tests based on four indicators adapted from Polya’s problem-solving framework, namely understanding the problem, planning the solution, carrying out the solution, and checking back. Data analysis was conducted quantitatively and qualitatively to examine the progression of students’ mathematical problem-solving performance and classroom learning activities across cycles. The findings revealed that the implementation of PBL contributed positively to improving both the learning process and students’ mathematical problem-solving ability. The average class score increased from 33.90 in the initial test to 67.80 in Cycle I and further improved to 73.41 in Cycle II. Improvement was also observed across all problem-solving indicators, particularly in the planning and checking back indicators, indicating stronger strategic reasoning and reflective evaluation skills among students. In addition, students demonstrated increased participation, collaborative engagement, analytical discussion, and confidence in communicating mathematical ideas during learning activities. These findings suggest that Problem-Based Learning can create a more inquiry-oriented and cognitively engaging mathematics learning environment that supports the development of higher-order mathematical thinking and reflective problem-solving skills.
Co-Authors ', Armis ', Helmawati ', Jalinus ', Juliana ', Kartini ', Syofni ', Syofni ', Zulkarnain ', Zulkarnain Achid Albintani Ade Suci Ramadhani Aini, Fahratul Alisya Syalasatun Thoibah Anggi Sugesty Anisa Shaliha Arifin, Jefani Ariful Khairi Arinda Pratini Armis Armis ' Armis Armis Astuti, Putri Puji Atma Murni Atma Murni Atma Murni Aztari, Annisa Rosa Baroqah, Lailatul Bima Firmantara, Bima Dewi Susanti Dhea Ika Putri Dwinda, Tasya Syafa Elfis Suanto Elmawati, Elmawati Evi Suryawati Evi Suryawati Farra, Fathimiyah Al Fitri Aldresti Geovani Meiwanda Geovani Meiwandad Halimirnawati Halimirnawati Harfal, Zaldi Hasanah, Ajroni Hasanah, Shintatri Hasanah, Yulia Hasniati, Amalia Haya, Padia Hesty Marwani Siregar Hidayah, Ayu Rahmah Indah Syafitri Indri Yani, Indri Istiqoidah, Anita Jalinus Jalinus Karisma, Romi Kartini ' Kartini Kartini Kartini, Kartini Kasih, Sutra Khairani, Elvia Kurnia, Isoka Amanah Leliyana Nurqolbi Maimunah Maimunah Maimunah, Maimunah Metti Sukri Muhamad Julfianto Nadhilah Andriani Nahor Murani Hutapea Nainggolan, Sabrina Niadika Ayu Putri Noviana Noviana Nur Hajizah Nurhayeti, Nurhayeti Nurul Hidayati Puspita, Sri Putri Yuanita Qatrunnada, Auliya Widad Rahmi Juli Juli Rahmi Mutia Rahmita Budiartiningsih Ramadhan Permadikusuma Nugraha Raufany, Gema Resti Dwi Junita Rini Dian Anggraini Rossanti Runanda, Istifariani Runanda, Istifariani Safrita, Helfi Sakur Sakur Sakur, Sakur Saragih, Soni Ezra Ridwana Sari Bangun Putri Dewi Sartika Ardina Sehatta Saragih Setiyaningsih, Wiwik Siahaan, Yuni Hariati Siti Aisyah Syahrul Siti Maisaroh Subekti, Hafizah Syahrani Sudiarti, Mira Sukri, Metti Sukri, Metti Susanto, Elfis Susda Heleni Syadevi, Aulya Revicka Dwi Syofni ' Syofni Syofni Syofni Syofni Syofni Syofni Syofni, Syofni Titi Solfitri Triandini, Bella Tut Wuri Handayani, Tut Wuri Tuti Alawiyah Tuti Alawiyah Vevi Anggia W. Eggy Yufentya Wigbertus Ngabu Yasvialan Arianta Yenita Roza Yosi Putri Yuliantini, Cewang Yusa Putra Zaldi zaldi Zea Sarah Tantri Irani, Zea Sarah