We do not just live in a social world; the social world is already within us determining how we think. At a general level, Vygotsky's sociohistorical theory has its roots in this perspective that emphasized the importance of cultural-historical context in which learning takes place and how that context has impact on what is learned. Later on, Vygotsky's followers suggested that "sociocultural" is a better term when it comes to deal with how this theory has been applied in current debates in the human sciences, at least in the West, because Western European psychologists were claiming that Vygotsky^s studies were the subject of a dispute in USSR. However, these two terms get mixed up most of the time. Therefore,1 this paper is primarily focused on examination, comparison and discussion of sociohistorical theory and sociocultural theory and instructional approaches of socio/historical-cultural theory.