This research is a study on the geometric aspects of Assuriní body painting and its use in geometry teaching, in Indigenous School Warara awa Assuriní, the Trocará Village in Tucuruí, Pará, from the pedagogical practice of two indigenous teachers of their own village. The survey was conducted in two groups of lower elementary school in geometry lessons with the intention to verify the intersection between mathematical knowledge and indigenous and traditional knowledge also in classes, one of the times when the body painting is developed. Interest in the subject was given from my professional experience from June 2006 until August 2011 at the Municipal Office of the City of Tucuruí Education, have contact with the Indigenous Education. The research is supported by the views of D'Ambrosio (1990; 1997; 2002; 2011); Vergani (2007); Gerdes (1992); Sebastiani Ferreira (1993, 1994) and Almeida (2010). Considering the body painting as an important symbolic aspects of Assuriní culture, and in this respect, the cultural determinants of the geometry of the paintings, as these elements are considered in math classes, particularly in the teaching of geometry in the lower elementary school, to be the child's gateway to the school. From the pedagogical practices of indigenous teachers at the school, was made based on Ethnomathematics, a reflection on the teaching of geometry and the geometry of the body painting. By doing a comparative study of the practices of the teachers, there are two educational paths, one that values and uses aspects of indigenous culture, and others that dissociates in teaching these aspects. In this sense, the study points out of school geometry teaching opportunities from the geometry of the paintings, because this is an important symbolic aspects of Assuriní culture, and in Elementary Education Minor for being indigenous child's gateway to the School. This implies the redefinition of geometry classes, with the appreciation of the history indigenous culture of this ethnic group, favoring the context of indigenous knowledge in the teaching of mathematics, as well as in conjunction with other areas of knowledge.
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