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一、提供必要的感觉材料,是揭示事物特有属性的基础小学生的思维是从具体形象思维向抽象逻辑思维逐步发展的.要帮助学生理解概念,必须有一定的感性材料.有了感性材料,引导学生认识事物的个别属性,并将这些个别属性结合起来考虑,形成一个完整的形象,这就是感知阶段.感知过的事物在脑子里的反映,就是表象.感知和表象都属干认识的感性阶段,是形成观念的基础.再通过对一类事物属性的分析、比较,认识它们共同的特有属性,舍弃它们非共同的特有属性,然后把这些属性加以概括,就形成了概念.这就是认识的理性阶段.
First, to provide the necessary sense of material, is to reveal the basis of the unique properties of things The thinking of primary school students from the concrete image of thinking to the progressive development of abstract logical thinking.To help students understand the concept, you must have some perceptual material.With the sensual material, guide Students recognize the individual attributes of things, and these individual attributes to consider together to form a complete image, this is the perception phase. Perceived things reflected in the mind is the representation. Perception and appearance are all cognitions of the perceptual stage , Is the basis for the formation of the concept.And then by analyzing the properties of a class of things, compare and recognize their common unique properties, discard their non-common and unique properties, and then summarize these properties to form a concept that is recognized Rational stage.