ETHNOMATHEMATIC EXPLORATION IN THE GRIND PARTY TRADITION IN SRAGI SUGAR FACTORY

Abstract

Pekalongan is a city on the path North Coast , Province of Central Java. This city is famous with various tradition and diverse culture. One annual tradition inhabitant of Pekalongan is Giling Tebu Party that usual implemented by inhabitant of Sragi Subdistrict, Pekalongan Regency. This tradition aim is for express of gratitude to Allah SWT and as prayer to be given safety and smoothness while produce sugar. The first time of main program thing to do is picking sugarcane bride and next with procession bride glepung parade that followed public around, this thing is signify that Sugar Factory of Sragi is ready to Giling Tebu Party. The objective from this study is know various type of math concepts inside of Giling Tebu tradition party. Research type used is qualitative with approach ethnomathematics. The data collection process is carried out with studies field, observation, interview, and documentation. The subject in this study is the public of Sragi Village Sragi Subdistrict Pekalongan Regency. The results from this study is there is concepts of mathematics in Giling Tebu tradition party of them there are solid shape and line equation. So it is expected that this study could give benefit in contextual learning and as example of using math concepts around us .