Abstract
This research is motivated by the problems found in SD Negeri Tapir, namely learning media that are less varied, limited media in the learning process and learning materials that are not yet contextualized. This study aims to develop eto-mathematical-based animated video media in class 3 flat shapes, which are valid and practical as learning media products to maximize the learning process. This type of research is Research and Development (R&D) using the ADDIE development model, which includes 5 stages of research, namely analysis, design, development, implementation, evaluation. This research was conducted at SDN Tapir using expert validation sheet instruments and student and teacher response questionnaires to collect data. The results of this study are animated video media that meet the validity standard with a percentage of 96.88% in the media validation stage and 91.67% in the material validation stage so that it is included in the very valid category. At the practicality test stage the media met the practical criteria with a percentage of 94% for small group trials and 97.5% for large group trials from teachers and 90.17% from students so that they were included in the very practical category. Based on all stages of the development carried out, the ethnomathematics-based animated video media in class 3 flat shapes material is valid and practical.
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