PENGEMBANGAN LEMBAR KERJA PESERTA DIDIK (LKPD) BERBASIS PENDEKATAN PEMBELAJARAN REALISTIC MATHEMATICS EDUCATION (RME) DENGAN SCAFFOLDING UNTUK MENINGKATKAN KEMAMPUAN REPRESENTASI MATEMATIS PESERTA DIDIK

M. Azkan, Ihza Al Fasya (2026) PENGEMBANGAN LEMBAR KERJA PESERTA DIDIK (LKPD) BERBASIS PENDEKATAN PEMBELAJARAN REALISTIC MATHEMATICS EDUCATION (RME) DENGAN SCAFFOLDING UNTUK MENINGKATKAN KEMAMPUAN REPRESENTASI MATEMATIS PESERTA DIDIK. Diploma thesis, UIN RADEN INTAN LAMPUNG.

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Abstract

ABSTRAK Perkembangan teknologi digital dan transformasi informasi yang semakin pesat menuntut individu memiliki kemampuan berpikir kritis, logis, dan adaptif dalam menghadapi berbagai permasalahan.. Penelitian ini bertujuan untuk mengembangkan Lembar Kerja Peserta Didik (LKPD) berbasis pendekatan pembelajaran Realistic Mathematics Education (RME) dengan Scaffolding untuk meningkatkan kemampuan representasi matematis peserta didik. Metode penelitian yang digunakan adalah penelitian dan pengembangan (Research and Development) dengan model ADDIE yang meliputi tahap Analysis, Design, Development, Implementation, dan Evaluation. Subjek penelitian dan pengembangan ini adalah peserta didik kelas VIII di MTs Terpadu Darul ‘Ulum. Teknik yang digunakan dalam mengumpulkan data adalah wawancara, angket, dan tes kemampuan representasi matematis. Produk LKPD yang dikembangkan divalidasi oleh ahli materi dan ahli media untuk. Kepraktisan LKPD dinilai melalui angket respon peserta didik, sedangkan keefektifan LKPD ditinjau dari peningkatan kemampuan representasi matematis peserta didik melalui hasil pretest dan posttest dengan perhitungan nilai N-gain rata-rata. Hasil penelitian menunjukkan bahwa LKPD yang dikembangkan mendapat skor 80% dari segi materi dengan kriteria “valid” dan mendapat skor 84,7% dari segi media dengan kriteria “sangat valid”. Hasil respon kepraktisan peserta didik menunjukkan bahwa LKPD termasuk dalam kategori “sangat praktis” dengan skor rata-rata 85,08%. Hasil analisis N-gain menunjukkan adanya peningkatan kemampuan representasi matematis peserta didik, dengan skor N-Gain rata-rata 0,71 dengan kategori “tinggi”. Berdasarkan hasil tersebut, dapat disimpulkan bahwa LKPD berbasis RME dengan scaffolding pada materi SPLDV layak dan efektif digunakan sebagai bahan ajar untuk meningkatkan kemampuan representasi matematis peserta didik. Kata Kunci : Lembar Kerja Peserta Didik (LKPD), Realistic Mathematics Education (RME), Scaffolding, Representasi Matematis ii ABSTRACT The rapid development of digital technology and information transformation requires individuals to possess critical, logical, and adaptive thinking skills in dealing with various problems. This study aims to develop a Student Worksheet (Lembar Kerja Peserta Didik / LKPD) based on the Realistic Mathematics Education (RME) learning approach with scaffolding to improve students’ mathematical representation ability. The research method used was Research and Development (R&D) employing the ADDIE model, which consists of the stages of Analysis, Design, Development, Implementation, and Evaluation. The subjects of this development research were eighth-grade students at MTs Terpadu Darul ‘Ulum. Data collection techniques included interviews, questionnaires, and mathematical representation ability tests. The developed LKPD was validated by material experts and media experts. The practicality of the LKPD was assessed through student response questionnaires, while its effectiveness was examined based on the improvement of students’ mathematical representation ability through pretest and posttest results using the average N-gain calculation. The results showed that the developed LKPD obtained a score of 80% in terms of material validity with the “valid” criterion and a score of 84.7% in terms of media validity with the “very valid” criterion. The practicality response from students indicated that the LKPD was categorized as “very practical” with an average score of 85,08%. The N-gain analysis results demonstrated an improvement in students’ mathematical representation ability, with an average N-gain score of 0.71 categorized as “high.” Based on these findings, it can be concluded that the RME-based LKPD with scaffolding on the topic of Systems of Linear Equations in Two Variables is feasible and effective to be used as instructional material to improve students’ mathematical representation abillity. Keywords: Student Worksheet (LKPD), Realistic Mathematics Education (RME), Scaffolding, Mathematical Representation.

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