从事多年的小学数学教学工作使笔者感觉学生对刚刚获得的知识往往会萌生这样或那样的疑问,但有些学生尽管心中有疑,也不敢当堂直述已疑,一怕被同学耻笑,二怕被老师责怪,久而久之,当疑问越积越多,而学生自己又无法解疑时,就会对学习数学缺乏信心。岂不知疑是探究知识的起点,有了疑问才会深入探究,才能形成探究的目标,才有学习的积极性和 Engaged in many years of primary school mathematics teaching work to make the author feel that students often just get the knowledge of this or that kind of doubt, but some students in spite of suspicion, did not dare to be straightforward suspect, afraid of classmates ridiculed, fear of The teacher blames, over time, when more and more questions, and students themselves can not be solved, it will lack confidence in learning mathematics. Do not know the doubt is the starting point to explore knowledge, with the doubt will be in-depth inquiry, in order to form the goal of inquiry, only the enthusiasm of learning and