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概念是人脑对客观事物本质属性的反映,任何事物的本质都是通过一定现象表现出来的,而现象并非都是本质,假象也是事物本质的一种表现,但它是事物本质的一种歪曲和颠倒了的表现。采用变式进行教学有助于我们透过现象揭示事物的本质。下面谈谈我在教学中的一些认识。 一、利用变式帮助学生把握概念本质 在教学中,如果教师能注意变换感性材料出现的形式,即从概念的外延中,选取最有典型意义的实例使概念的非本质属性进行变化,本质属性多次重复出现,有助于帮助学生形成准确的概念。
Concept is the reflection of the nature of objective things by the human brain. The essence of any thing is manifested by certain phenomena. The phenomenon is not all essential. The illusion is also a manifestation of the nature of things, but it is a distortion of the nature of things. And reversed performance. Teaching with variants helps us to reveal the nature of things through phenomena. Let’s talk about some of my understanding in teaching. First, the use of variants to help students grasp the nature of the concept In the teaching, if the teacher can pay attention to the form of the appearance of the transformation of the emotional material, that is, from the extension of the concept, select the most typical instance of the concept of the non-essential nature of the concept of change, the essential attributes Repeatedly appearing several times helps to help students form accurate concepts.