曾经听过很多“精彩”的公开课:课堂上学生的回答滴水不漏,与教师的配合天衣无缝。一堂课看似行云流水、纯熟流畅,实则所有的思维过程、矛盾冲突全部被掩盖了,教学活动成了按部就班的表演。小学生的知识背景、思维方式、情感体验和成人不同,他们的表达方式可能也不准确,在数学学习中难免 Have heard a lot of “wonderful ” open class: the classroom students answer drip leaks, seamlessly with the teacher. A lesson seems to be smooth, well-fluent, but in fact all the thinking process, all contradictions and conflicts have been covered, teaching activities have become step-by-step performances. Pupils’ knowledge background, thinking mode, emotional experience and adults are different, their expressions may not be accurate, it is inevitable in maths learning