The thinking of primary school students is in the transition stage from visual thinking to abstract logical thinking, their understanding of geometry mainly depends on observation, experiment and necessary hands-on operation, and then through the internalization of psychological activities to obtain the appearance, and then master the characteristics of geometry, forming the concept of space. This requires teachers to provide students with the relevant physical or model of basic graphics in the course of teaching, and guide students to give full play to the synergy of vision, hearing, touch and other senses, through the observation of specific things, operation, experiments and other activities to strengthen the appearance of the basic graphics, after they get a clear and profound appearance.
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