Design development of Batik Tulis Daun Singkong Bondowoso motifs with combination of fractal objects as material for student worksheets with ethnomathematical-based

Ethnomathematics is the integration of mathematics with culture that is applied by certain cultural groups. Ethnomathematics can be used as a teaching reference in order to make it easier for students to understand because the material they learn is in accordance with the context of their daily life. The research method used in this study is a development research type in which a batik motif design is developed combined with fractal objects to become an ethnomathematics-based LKPD (Student Worksheet) with data collection methods in the form of observation and documentation. Based on initial observations, it was found that the ethnomathematics of batik tulis Daun Singkong Bondowoso. The development of motifs design shows geometry transformation concept that can be used for the materials to make a student worksheets.