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1.加强程序性知识的引导。一是要注意引导学生思考解题的方法和步骤,归纳解题的程序,并建立解题的模型,如在化学方程式教学中,要引导学生关注问题的关键,渗透关系式的寻找和表达;二是要加强变式训练,并精选“由例及类”的典型案例,这是建构程序性知识的关键环节。2.加强学科功能的渗透。化学计算能从量的角度加深学生对化学概念和原理
1. Enhance the guidance of procedural knowledge. First, we should pay attention to guiding students to think of ways and means of solving problems, summarizing the procedures for solving problems and establishing problem solving models. For example, in the teaching of chemical equations, the key to guiding students to pay attention to the problems and the search and expression of the infiltration relations; The second is to strengthen the variant training and selection of “cases and classes” typical case, which is the key to building procedural knowledge. 2. To strengthen the penetration of disciplinary functions. Chemistry can deepen students’ understanding of chemistry concepts and principles from a quantitative point of view