试谈课前准备练习谢振兴小学数学教学，应根据数学知识的内在联系、儿童的年龄特征和认识规律，按照由浅入深，由已知到未知的数学原则进行。为使学生尽快地掌握新知识，在新课教学之前。除了进行基本功的训练之外，可根据教学内容，恰当地安排课前练习，让新旧知识自然衔... Try to talk about class preparation exercises Xie Zhenxing’s primary school mathematics teaching should be based on the inherent relationship between mathematics knowledge, children’s age characteristics and cognition rules, according to the shallow depth, from known to unknown mathematical principles. To enable students to master new knowledge as soon as possible, before the new lesson is taught. In addition to the training of basic skills, according to the teaching content, it is possible to properly arrange pre-class exercises so that the old and new knowledge will naturally be titled...