Ethnomathematics of Balinese traditional houses

The purpose of this research is to explore the Ethnomathematics of Balinese Traditional Houses primarily concerned with Balinese Traditional Carvings and Buildings. The type of this research is exploration. Objects of this research are 3 carvers and 2 builders of Balinese Traditional Houses. Ethnomathematical Data of Balinese Traditional Houses were collected through observations, questionnaires, and interviews. Observations were conducted to obtain data on the application of mathematical ideas on Balinese Traditional Carvings and Buildings while questionnaires were used to obtain data on the profile of research objects and Ethnomathematics. Interviews were conducted to verify data. Furthermore, the research data were analyzed descriptively. The result of this research is a kind of Ethnomathematics about Balinese Traditional House Carvings using a concept of similarity, shift and reflection; and Ethnomathematics of Balinese Traditional Buildings using measurements of lengkat, nyari, and rai