Mathematics is one of the sciences that is often used in culture. Forms of cultural activities containing mathematical concepts are called ethnomatematics. Mathematics related to culture will make it easier for students in the learning process. The purpose of this research is to know and describe ethnomatematics on the activities of batik in Batik Production Batik Dewi Sinta Banyuwangi and as material for student worksheet. This type of research is qualitative research with ethnographic approach. The data were collected form observation and interview. The research subjects were owners and employees at the Batik Production Batik Dewi Sinta Banyuwangi. This research uses descriptive qualitative data analysis. This research showed that there were mathematical concepts on the activities of batik in Batik Production Batik Dewi Sinta Banyuwangi wich includes counting, calculating, measuring, and designing activities. The product of this research is a teaching material in the form of student worksheet for class VII which contains ethnomatematics in batik activity. Keywords: Ethnomathematics, activity of batik, Students Worksheet