This study aims to develop a valid and feasible IPAS student worksheet (LKPD) based on the Turun Mandi tradition for fourth-grade students of SDN 005 Rawang Sari. This research is categorized as research and development (R&D). The development model used in this study is the ADDIE model, which consists of five stages: Analyze, Design, Development, Implementation, and Evaluation.The study wa…