Inovasi Pembelajaran PjBL untuk Meningkatkan Kemampuan Pemecahan Masalah Matematika Siswa

Zainal Abidin; Syahrir Syahrir; I Ketut Sukarma; Masjudin Masjudin

doi:10.36312/panthera.v5i4.754

Authors

Zainal Abidin Program Studi Pendidikan Matematika, Fakultas Sains, Teknik, dan Terapan, Universitas Pendidikan Mandalika, Jalan Pemuda Nomor 59A, Mataram, Nusa Tenggara Barat 83125, Indonesia
Syahrir Syahrir Program Studi Pendidikan Matematika, Fakultas Sains, Teknik, dan Terapan, Universitas Pendidikan Mandalika, Jalan Pemuda Nomor 59A, Mataram, Nusa Tenggara Barat 83125, Indonesia
I Ketut Sukarma Program Studi Pendidikan Matematika, Fakultas Sains, Teknik, dan Terapan, Universitas Pendidikan Mandalika, Jalan Pemuda Nomor 59A, Mataram, Nusa Tenggara Barat 83125, Indonesia
Masjudin Masjudin Program Studi Pendidikan Matematika, Fakultas Sains, Teknik, dan Terapan, Universitas Pendidikan Mandalika, Jalan Pemuda Nomor 59A, Mataram, Nusa Tenggara Barat 83125, Indonesia

DOI:

https://doi.org/10.36312/panthera.v5i4.754

Keywords:

Problem-Solving Skills, Mathematics, Concrete Media, Learning Tools, Project-Based Learning

Abstract

This study aims to develop a Project-Based Learning (PjBL) instructional device integrated with concrete media to enhance students' mathematical problem-solving abilities. This research uses the Research and Development (R&D) method with the 4D model (Define, Design, Develop, Disseminate), conducted at SMPN 3 Kopang, involving 25 seventh-grade students. The developed devices include Lesson Plans (RPP), Student Worksheets (LKS), and Mathematical Problem-Solving Ability Tests. The results of validation by two validators show that the devices are highly valid, with average Skores exceeding 90%. The practicality of the device, based on teacher responses, shows a Skore of 92.5%, indicating that the device is easy to use in teaching. The effectiveness of the device was measured through pretest and posttest problem-solving ability Skores, with an N-Gain of 71.66%, demonstrating a significant improvement in students' mathematical problem-solving skills. Based on these results, it can be concluded that the PjBL instructional device integrated with concrete media is valid, practical, and effective in enhancing students' mathematical problem-solving abilities. This study is expected to contribute to the development of more interactive and applied mathematics learning.

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