ABSTRACT
Analyzing the professional career of Everardo Adolpho Backheuser, in his relations with the educational context of the 1920s and 1930s, this study inquires about the expertise of this educator in the field of school mathematics, in the diffusion of the New School ideas under the management of Fernando de Azevedo in the Director of Public Instruction of Rio de Janeiro. Based on criteria derived from socio-historical contributions, by Hofstetter and Schneuwly; Morais; and Valente, the study concludes by affirming that the educator in question has the profile of a mathematics education expert.
Keywords
History of mathematics education; New School; Everardo Adolpho Backheuser; Primary school arithmetic;
Expert
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