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“做中学”是小学数学教学倡导的一种新的教学理念,即通过设计丰富的动手操作活动,把静态的知识学习过程变为动态的操作探索过程,使学生在操作学具的过程中感悟和理解所学知识。这样既能凸显教师的主导作用,又使学生在生动活泼的课堂氛围中玩中思、思中悟,主动获取新知。现结合自己的教学实践,谈谈课堂中如何把握好动手操作的时机,提高学具操作的实效性。一、直观操作,“做”中探索知识古人云:“纸上得来终觉浅,绝知此事要躬行。”数学教
“Learning by Doing ” is a new teaching idea advocated by primary school mathematics teaching. That is, by designing a wealth of hands-on activities, the static knowledge learning process can be transformed into a dynamic operation exploration process so as to enable students to use the learning process In the perception and understanding of knowledge. This will not only highlight the leading role of teachers, but also enable students to play in the lively atmosphere of the classroom thinking, psyche, and take the initiative to obtain new knowledge. Now combined with their own teaching practice, talk about how to grasp the timing of hands-on operation in the classroom and improve the effectiveness of school operation. First, the intuitive operation, “to do ” to explore knowledge Ancients said: "