学贵知疑 疑中求进

Learn from Your Doubts,Seek Progress in Doubt

本文从教材中的一道例题出发,通过改编此题,引导学生产生思维冲突,鼓励学生敢于质疑,使学生在不断的质疑中理解知识内涵,厘清相邻知识的异同,让学生乐于质疑,在“无疑—有疑—无疑”的循环转化过程中逐步完善数学知识网络,培养学生善于质疑的精神。

This article starts from a sample question in the textbook,and adapts this question to guide students to think conflicts,encourage students to dare to question,so that students can understand the connotation of knowledge in continuous questioning,clarify the similarities and differences between adjacent knowledge,and make students willing to question.In the process of"undoubted-doubtful-undoubted"circular transformation,gradually improve the mathematical knowledge network and cultivate students'spirit of questioning.