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在教学中,必须调动学生多种感官协同参与,重视动手操作,让学生摸、折、围、剪、拼、搭。加强思维训练,让学生看、说、练、思。通过生动形象的感性材料和语言描述去再现知识的发生、发展过程,使抽象概括的几何知识与学生原有的认识结构建立实质性的联系,那培养学生的空间想象能力就有了依托,最终转化成学生良好的认知结构。一、在观察中促进知识与能力的协同观察是思维的触角,是学生认识事物的基础。实验发现,
In teaching, we must mobilize the students to participate in a variety of sensory collaboration, focusing on hands-on operation, so that students touch, fold, Wai, cut, fight, take. Strengthen thinking training, let students see, say, practicing, thinking. Through the vivid image and description of the language to reproduce the occurrence and development of knowledge, so that the abstract geometric knowledge and the original structure of students to establish a substantive relationship between the knowledge that the students have the ability to rely on space imagination, and ultimately Transformed into a student’s good cognitive structure. First, to observe the promotion of knowledge and ability of collaborative observation is the antenna of thinking, is the basis for students to understand things. Experiment find-outs,