Desain E-LKPD Berbasis Problem Based Learning untuk Meningkatkan Keterampilan Computational Thinking pada Materi Peluang Kelas X SMA

Abstract

This study aims to develop an Electronic Student Worksheet (E-LKPD) based on Problem-Based learning to improve 10th-grade high school students' computational thinking skills in probability material. The research was conducted using the ADDIE development model, which consists of analysis, design, development, implementation, and evaluation stages. The analysis showed the need for digital teaching materials that support better understanding, increase learning motivation, and improve computational thinking skills. The E-LKPD was designed using Canva and integrated into the Wizer.me platform, featuring problem-based learning steps and integrating indicators of computational thinking: decomposition, abstraction, pattern recognition, and algorithms. Expect validation was conducted by content, design, and instrument specialists. The validation result showed that the content expert rated the product at 98.2% (very valid), while the design validity score is 75.8% (valid). In terms of practicality, the response from teachers was 88.2 % (Very Practical), and from students, 85.33 % both falling into the very practical category. Effectiveness was assessed through a computational thinking pre-test and post-test. The N-Gain was 0,82 with a high category. These results indicate that the developed E-LKPD is valid, practical, and effective in enhancing computational thinking. Moreover, the integration of problem-based learning encourages students to be more active in solving contextual mathematical problems. The product also received positive feedback for its clarity, interactivity, and alignment with students' needs, making it suitable for 21st-century mathematics learning.

Keywords: E-LKPD, Problem-Based Learning, Computational Thinking