话题中宋老师的课堂是尊重学生犯错权利的民主课堂,所以课堂上学生才敢想、敢疑、敢说、敢问。学生的学习是个不断创新与发展的过程,那么,在教学中我们遇到这样的情况,又该怎么办呢?实践中,我们可以借力发力,将学生提出的问题抛给学生,引导学生进行探究。如宋老师的学生提出问题后,教师可以追问学生:“对呀!他说得似乎也有道理呀!你能谈谈你的想法吗?”生:分母不能相加,因为分母相加分数单位会越来越小。 The topic of the teacher’s class in the song is to respect the students’ right to make mistakes in the classroom, so students dare to think in class, dare to doubt, dare to say, dare to ask. Students learn is a process of continuous innovation and development, then, in teaching we encounter such a situation, what should we do? In practice, we can leveraging the power of the students put questions raised to the students, to guide students Explore. If the teacher Song students ask questions, the teacher can ask the students: “Yes! He said it seems reasonable! Can you talk about your ideas?” Health: denominator can not be added, because the denominator of the score The unit will be smaller and smaller.