**THE EFFECT OF ETHNOMATHEMATICS-BASED SAVI (SOMATIC, AUDITORY, VISUALIZATION, INTELECTUALLY) APPROACH TO MATHEMATICAL COMMUNICATION SKILL oN GEOMETRY IN ELEMENTARY SCHOOL**

**Laely Farokhah**^{1}*******, Andika Arisetyawan ^{2}, Al Jupri^{3}**

*Corresponding author

**Abstract**** **

The mathematics learning process in elementary schools is still focused on the more active teachers in the classroom than students. Students are not much given the opportunity to gain direct experience in the learning process so that it causes low understanding of mathematical concepts and mathematical communication skill of students. This research aims to obtain a description of the effect of ethnomathematics-based SAVI (Somatic, Auditory, Visualization, Intellectually) approach on mathematical communication skill of students in geometry in class V State Elementary School in Serang, Banten Province, Indonesia and to gain an overview of the results of mathematical communication skill of students using ethnomathematics-based SAVI approach better than the use of conventional learning. The research adopted quantitative research and employed quasi-experiment which is nonequivalent control group design. The subjects of this research were 76 students of class A as an experimental class and class B as a control class, State Elementary School 11 Serang. The data were collected through instrument tests which is mathematical communication skill test and interviews. They were analyzed by using data processing SPSS 21 version programs. The result showed that the average of pre-test of mathematical communication skill in experimental class is 40,92 and the control class is 34,74. After given different treatment and the final mathematical communication skill test, the average value is 72,11 in experimental class and 60,53 for the control class. The mean value of gain is 0,53 in experimental class including the medium category. So based on these results, it can be concluded that the ethnomathematics-based SAVI approach affects to mathematical communication skill of students.

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Keywords**: Ethnomathematics-based SAVI, Mathematical Communication, Geometry, Elementary School

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