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Ubiratan “Ubi” D’Ambrosio is considered by many to be “the intellectual father of
ethnomathematics”. He defined and popularized the term as “the art or technique of
explaining, knowing, and understanding diverse cultural contexts” (D’Ambrosio,
1990). He formed the International Study Group on Ethnomathematics (ISGEm) and
has been instrumental in helping to make sure that the socio-cultural context of
mathematics and its teaching and learning are considered in conferences,
publications and the day to day work of thousands of mathematics education around
the world.
Key words: Ubirtan D’Ambrosio, Ethnomathematics, Sociocultural Contex