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“给我一个支点,我就能撬起地球!”类比,是一种强有力的学习工具,它是根据两类事物或两个对象间存在的一些相同或相似的属性,猜测它们之间也可能具有其他一些相同或相似属性的一种思维方法。让学生掌握类比,既温故而知新,又能帮助学生贯通知识间的联系,形成系统的知识体系,逐步构建良好的认知结构,进而提高学生的数学素养,培养学习兴趣。因而,在教学中应积极运用类比教学,达到“授之以鱼,不如授之以渔”的目的。
“Give me a fulcrum, I can pry Earth! ” Analogy is a powerful learning tool, it is based on two types of things or two objects exist between some of the same or similar attributes, guess them There may also be some other ways of thinking that share the same or similar attributes. Let students master the analogy, which not only helps students learn new knowledge, but also helps students to get through the connection between knowledge to form a systematic knowledge system and gradually build a good cognitive structure, thereby improving students’ mathematical literacy and cultivating their interest in learning. Therefore, in teaching should be actively using analog teaching to achieve “To give the fish, it is better to grant the purpose of fishing ”.