Ethnomathematics: Learning Math Based on Lombok Local Culture

This research tries to explain the mathematical objects contained in the cultural products of the people of East Lombok, and how it’s implementation in educational system. The research data were obtained from the study of cultural sites, observation, and interviews with cultural practioner and math teacher. The results of this study indicate that cultural products such as rombong gula gending, parane, kereng sesek, and caraken have mathematical objects in the form of flat and space shapes consisting of circles, cubes, tubes, squares, symmetrical shapes, and tiling. Learning mathematics by utilizing Sasak cultural products is a form of integration methodology wich is related to matematics connection. This study identified students’ mathematics connections in solving mathematics problems after participating in culture-based mathematics learning, namely understanding connection, representation connection, and justification connection.