Fajar Hamzah Kosasih, Aritsya Imswatama, Hamidah Suryani Lukman

Pengembangan LKS Matematika Berbasis RME Dengan Konteks Budaya Sunda Untuk Meningkatkan Literasi Numerasi Siswa SMP

Introduction

Pengembangan lks matematika berbasis rme dengan konteks budaya sunda untuk meningkatkan literasi numerasi siswa smp. Pengembangan LKS Matematika RME berbasis budaya Sunda untuk siswa SMP terbukti efektif tingkatkan literasi numerasi. Valid dan praktis, mendukung pembelajaran optimal.

Abstract

This study aims to develop a Student Worksheet (LKS) based on Realistic Mathematics Education (RME) with a Sundanese cultural context to enhance students' numeracy literacy skills. The research background stems from the low numeracy literacy of students, attributed to conventional mathematics teaching methods that have not optimally developed these competencies. The research method employs Research and Development (R&D) using the ADDIE development model (Analysis, Design, Development, Implementation, Evaluation). Validation results by material experts indicate that the LKS is highly feasible, with an average score of 90.53%, while validation by teaching material experts yields an average score of 95.42% (also categorized as highly valid). The practicality of the LKS was assessed based on teacher evaluations, scoring an average of 93.33%, and student questionnaire responses, with an average score of 82.78%. Effectiveness tests conducted at SMPN 3 Sukabumi City demonstrated a significant improvement in students' numeracy literacy, marked by an average n-gain score of 60%. Based on these findings, it is concluded that the RME-based LKS with a Sundanese cultural context is feasible and effective as a learning support tool to enhance students' numeracy literacy

Review

This study presents a timely and relevant endeavor to address the persistent challenge of low numeracy literacy among junior high school students. The researchers propose an innovative solution through the development of a Student Worksheet (LKS) grounded in Realistic Mathematics Education (RME) principles and enriched with a Sundanese cultural context. This approach is commendable as it seeks to move beyond conventional teaching methods by making mathematics more relatable and meaningful for students, leveraging their cultural background to foster deeper engagement and understanding. The explicit aim of enhancing numeracy literacy through such a culturally sensitive and pedagogically sound tool is well-articulated and holds significant promise for educational practice, particularly in contexts striving for culturally responsive pedagogy. The methodological rigor of this Research and Development (R&D) study, utilizing the ADDIE model, provides a systematic framework for the LKS's creation and evaluation. The validation phase yielded robust results, with material experts scoring the LKS at 90.53% for feasibility and teaching material experts providing an even higher 95.42% for validity, both categorized as 'highly feasible/valid'. These high scores attest to the quality and instructional soundness of the developed materials. Furthermore, the practicality assessments demonstrated strong acceptance from both teachers (93.33%) and students (82.78%), suggesting that the LKS is well-received and user-friendly in a classroom setting, a crucial factor for successful implementation. The effectiveness testing conducted at SMPN 3 Sukabumi City provides compelling evidence for the LKS's impact. A significant improvement in students' numeracy literacy was observed, quantified by an average n-gain score of 60%. This result strongly supports the authors' conclusion that the RME-based LKS with a Sundanese cultural context is both feasible and effective as a learning support tool for enhancing numeracy literacy. While the findings are very encouraging, future research could explore the long-term retention of these gains and the generalizability of this approach to other cultural contexts or subject areas. Nevertheless, this study offers a valuable contribution to the field of mathematics education, showcasing a successful model for integrating local culture and RME to address a critical educational need.

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