Development of Realistic Mathematics Education-Based Learner Worksheets (LKPD) to Enhance Higher-Order Thinking Skills in Grade IV Students of SD/MI
Abstract
This study aims to determine the development procedures, feasibility, and effectiveness of mathematical worksheets based on realistic mathematics education to develop high-order thinking skills of fourth-grade students in SD/MI. This research is a research and development (R&D) research using a 4D research model consisting of 4 stages, namely the Define, Design, Development, and Disseminate. The data instruments used in this study were interview observations. The subjects of this study were the fourth-grade students of SDN Sukatani VI, totaling 35 students. The data analysis was qualitative and quantitative. Qualitative data analysis was obtained from observations and interviews, while quantitative data analysis was obtained from expert validation, teacher response questionnaires, and student response questionnaires. The validation results of mathematic education experts, with a percentage of 83%, were categorized as "Good/Valid". Based on the teacher's response, the research results obtained 96% categorized as "Very Good/Decent," and student responses obtained by the assessment results with a percentage of 90.28% categorized as "Very Good" to use. From the results of development trials to assess effectiveness with pretest and posttest get a score of 88.5 above the KKM or a percentage of 82.8% can be categorized as "Very Effective" to use, as well as the recapitulation of pretest and posttest results using the N-Gain test got a score of 0.82 students experienced the development and improvement of learning outcomes.
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