Keyword: «junior schoolchild»

The article reveals the problem of the formation of logical thinking techniques in children of primary school age, in particular the method of classification, which indicates the urgent need for the formation of this technique in children in the process of mathematical education. The necessary psychological and pedagogical conditions under which the classification will be formed most effectively are noted. In addition, the paper presents a description of an empirical study on the formation of this technique in students of the 2nd grade.

The article discusses the features of the formation of the concept of "value" and its measurement in children of primary school age. The stages of formation of a quantity and its measurements are revealed. Experimental and experimental work on the formation of the concept of "value" and its measurement in younger schoolchildren are described.