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This research aims to: (1) knowing the positive influence of ethnomathematics-contained PBL model towards mathematical representation skill, (2) knowing the positive influence of mathematical disposition towards mathematical representation skill, and (3) knowing the positive influence of ethnomathematics-contained PBL model and mathematical disposition skill towards mathematical representation. This is a quantitative research. Four classes in fifth semester from Educational of Elementary School students of 2016/2017 became the population of this research. The sample in this research was Education of Elementary School 2 (two) as the experiment class, and class of Educational of Elementary School 1 (one) as the control class. As for data collection, the used of documentation, test, questionnaire, and observation technique was done to complete this research. The research analysis data was using SPSS 16, which is homogeneity test, normality test, simple regression test, and double regression test. The result showed that (1) there is positive influence of ethnomathematics-contained Problem Based Learning (PBI) model and mathematical disposition skill toward mathematical representation, (2) there is positive influence of mathematical disposition towards mathematical representation skill, (3) there is positive influence of Problem Based Learning (PBL) model and mathematical disposition skill toward mathematical representation.

THE INFLUENCE OF ETHNOMATHEMATICS-CONTAINED PROBLEM BASED LEARNING MODEL AND MATHEMATICAL DISPOSITION SKILL TOWARD MATHEMATICAL REPRESENTATION