Abstract:The article deals with the actual problem of the intellectual development of primary schoolchildren by including in the work of non-standard tasks of a search nature, the use of sign-symbolic means of presenting information, which allow you to create models of the objects and processes under study. Among the non-standard are the problems with matches described by the authors in the form of visual calculating material, the search for a solution to which makes it possible to intensify the mental activity of stud… Show more
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