Mastering by Students of the Second Grades of the Universal Educational Action of Classification

The article discusses the problem of the formation of a universal educational action of classification among junior schoolchildren of the second grade, which refers to intellectual operations of a cognitive nature. Three stages of the formation of the classification action are revealed: the choice of an essential basis for grouping objects; classification according to a given basis; classification on an independently chosen basis. Examples of assignments developed on the basis of the content of various elementary school subjects are given, in the process of completing which students of the second grade consistently master the logical actions of classification.