“我听见了,但可能忘掉;我看见了,有可能记住;我做过了,便真正理解了。”这是美国华盛顿国立图书馆门前一块标牌上的内容。现在教学论强调:“要让学生动手做科学,而不是用耳听科学。”实践表明,重视数学实践活动教学的有效开展,对于培养学生动手“做”数学的实践与创新能力、增强团结协作精神具有十分重要的意义。一、课前预设——充分实践准备1.明确规范实践表明,良好的常规是保证动手操作顺利进行的前提,也是培养学生良好的 “I heard it, but I might forget it; I saw it, I remembered it; I did it, I really understood it. ” This is a sign on the front of the Washington National Library in the United States. Teaching theory now emphasizes: “Let students do science, rather than listening to science.” Practice shows that the emphasis on effective teaching practice of mathematics activities, for students to practice “doing ” mathematical practice and innovation ability It is of great significance to enhance the spirit of solidarity and cooperation. First, the pre-class pre-set - full practice preparation 1 clear specification Practice shows that good practice is to ensure the smooth operation of the premise, but also to train students to good