International Journal of Academic and Applied Research (IJAAR)   Year: 2023 | Volume: 7 | Issue: 7 | Page No.: 4-8 Module Development Leaflet Ethno Mathematics Based In Bamboo Woven Crafts Space Building Materials for Class V Students at Sdn Curahpoh 1 Bondowoso Download PDF Aprilia Suhartini, M. Sulthon Masyhud, Ridho Alfarisi Abstract: This study aims to describe the module development process leaflet based on ethno mathematics in woven bamboo crafts and to determine the validity, effectiveness and practicality of the module leaflet based on ethno mathematics for fifth grade elementary school students. This research is a type of development research (research and development) Bord and Gall model consisting of 10 stages. However, this research only reached the 8th stage, namely testing the effectiveness of the product. The subjects of this study were fifth grade students at SDN Curahpoh 1 Bondowoso. Data collection techniques in this study used tests, student response questionnaires, and documentation. The data collection instrument used interview guides, test sheets, questionnaires and validation sheets. The data in this study were analyzed using product validation, relative effectiveness and practicality. Based on the calculation results of the validation test, relative effectiveness test through independent sample t-test and ER, as well as practicality test, it can be concluded that module development leaflet based on ethno mathematics on woven bamboo crafts, the spatial material has met valid, effective and practical aspects so that it is very suitable to be used as a companion teaching material in fifth grade mathematics learning in elementary schools.