Disponível em: http://www.sbem.com.br/ojs/index.php/ripem/article/view/48/35The objective of this study is to analyze the potentiality of the history of mathematical education to the complex field of the education of the basic education Mathematics teacher. Considering that the historical knowledge is of great importance for the education of this professional, this text has been organized in three segments: the first deals with the absence/presence of history in the education of the Mathematics teacher; the second treats the norms and practices that give meaning to the school mathematics; the third focuses on the professional past of the Math teacher. At the end, it emphasizes the role of the history of mathematical education in the reconstitution of the professional identity of the math educator.