The Development of Ethnomathematics-Based Learning Devices of Sulur Godong Batik Using Digital Manipulatives on Geometry Transformation to Improve Students Creative Thinking Abilities

Abstract : The research conducted aims to create learning devices that can be declared valid, practical, and effective, especially on the subject of Geometric Transformation. The development of this learning device is carried out with the aim of improving students’ creative thinking skills. This research is a type of research and development with the 4-D Thiagarajan development model. The stages of 4-D Thiagarajan include define, design, develop, and disseminate. Data collection is carried out using observation, test, and questionnaire techniques. The results of the Ethnomathematics-based development research using digital manipulatives are classified into valid, practical, and effective. The level of validity can be seen from the validity value of each teaching module of 3.78, LKPD of 3.87, and test of 3.92 which are included in the valid category. The practicality value is obtained from the results of observations of the implementation of learning devices and the results of observations of student activities of 92.25% and 93.08%, respectively. The effectiveness value is seen from the learning outcome data obtained 83.0% completed classically with the category of very creative and creative thinking and the student response questionnaire has a positive value of 88.2%. Suggestions for teachers are expected to use learning devices more often because they can train students’ creative thinking skills and can be used as a guideline in a more varied and innovative learning process. Not only that, other researchers can reach wider research subjects and different materials in the development of further learning devices.