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Journal : Jurnal Didactical Mathematics

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 ', Syofni ', Yasmainar ', Zuhri D Adityawarman Hidayat Adli, Ariful Ainul Mardiah Anggaini, Rini Dian Arisman Adnan Astuti, Putri Puji Atika, Nur Azira, Mimi Bana Goerbana Kartasamita Daim, Zuhri Dewi Yuliani, Dewi Elfis Suanto Elmawati, Elmawati Endang, Endang Sri Sartika Evi Zahara, Evi Zahara Farra, Fathimiyah Al Fristania, Miranda Gumanti, Gumanti Harianja, Friska Hasanah, Ayu Siti Hasanah, Shintatri Hasniati, Amalia Hermawindiana, Atikah Husna, Miftahul Ilyas, Emil Yasid Indah Fitriani Indri Yani, Indri Jozua Sabandar Kartini Kartini Karuniakhalida, Puji Khairani, Bella Putri Laia, Harun Onesimus Laylatul Rahmi, Laylatul Maimunah Maimunah, Maimunah Manalu, Agatha Friendsi Mentari, Dyah Muliyana, Dewi Nadeak, Devi Irawaty Nadia Nadia Nahor Murani Hutapea Ningsih, Fadriati Ningsih, Fadriati Nuraini Nurhayeti, Nurhayeti Pratiwi, Aci Ayu Putri Yuanita Putri, Nadyati Qatrunnada, Auliya Widad Rahayu, Elsya Rahmadani, Heni Rahman, Mia Riani Rini Dian Anggraini Safrita, Helfi Sakur, Sakur SAPUTRO, AGUS Saragih, Soni Ezra Ridwana Sartika, Endang Sri Sehatta Saragih Siahaan, Yuni Hariati Siti Maisaroh Sri Wahyuni Sriyanti Mustafa Subekti, Hafizah Syahrani Susda Heleni Syaifar, Mukhlisatul Humaira Syarifah Nur Siregar Tafari, Nadya Tajrumi, Atha Nadiyah Thahir, Musa Tuti Alawiyah Uswatun Hasanah Wahab A, Abdul Wahyunaningsih, Hesti Wigbertus Ngabu Yani, Casmi F Yani, Casmi Fitri Yanti Yanti Yaya S. Kusumah Yenita Roza Yeyen, Vioskha Yodiatmana, Yodiatmana Yuliantini, Cewang Yusa Putra Zuhri D, Zuhri D Zulkarnain Zulkarnain