教学中应有水到渠成的预设,但是学生却常不领情,走不进课堂。本文基于案例反思,通过中医望闻问切的诊断方式,提出重构预设的可行性建议,希望能够对小学数学课堂教学效率的提升有所帮助。 There should be a perfect preparation for teaching, but students often do not appreciate it and do not go into the classroom. This paper, based on the case reflection, puts forward the feasibility suggestion of reconstruction presupposition through the diagnosis way of Chinese traditional medicine wenwenwenwen, hoping to help improve the efficiency of primary school mathematics classroom teaching.