How to Develop Multiform Geometric Vision in Schoolchildren

Different interpretations for the notion of «section» are presented followed by classification of tasks, aimed at developing ability to operate with different configurations of geometric sections by types thereof (propaedeutical tasks on geometric sections; tasks on recognizing geometric figures by their geometric sections configurations; tasks on recognizing geometric sections by configurations of a given geometric figure; tasks on constructing geometric figure by a set of its geometric sections; tasks on constructing geometric sections by configuration of a given geometric figure, mixed tasks).