有这样一个常识,修造房屋时最重要的是加固其支撑性结构。以砌墙为例,有的墙不砌不要紧,但承重墙不砌,房屋就会倒塌。同样,学生在数学学习中,有的知识不学、少学或学得不好并不要紧,在后续学习中可以自我修复和完善,但核心知识理解、掌握不到位,就会影响今后主动建构学习,影响问题顺利解决,降低数学学习的质态。在这里,所谓数学核心知识,是指那些 There is such a common sense that the most important thing in building a house is to reinforce its supporting structure. To brick wall, for example, some walls do not puzzle does not matter, but the load-bearing wall is not puzzle, the house will collapse. Similarly, students in mathematics learning, some do not know the knowledge, do not learn less well or not does not matter in the follow-up study can be self-healing and perfect, but the core knowledge of understanding, not in place, it will affect the future active construction learning , Affect the smooth solution to problems, reduce the quality of mathematics learning. Here, the so-called mathematical core knowledge, refers to those