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《数学课程标准》在对第三学段(七—九年级)的教学建议中要求“对于重要的数学思想方法应体现螺旋上升的、不断深化的过程,不宜集中体现”.这就要求我们教师能在实际的教学过程中不断地发现、总结、渗透数学思想方法.一、渗透化归思想,提高学生解决问题的能力.所谓“化归”是指把待解决或未解决的问题,通过转化,归结到已经解决或比较容易解决的问题中去,最终使问题得到解决的一种思想方法.这体现
In its teaching suggestion on the third semester (grades 7-9), “Mathematics Curriculum Standard” requires that “important mathematical thinking methods should embody spiraling and deepening process, which should not be concentratedly embodied.” This requires Our teachers can constantly find, summarize and permeate the mathematical thinking and methods in the actual teaching process.One, infiltrate and return to the thinking and improve the students’ ability to solve the problem.The so-called “return to ” means to be solved or not resolved Problems, through conversion, come down to problems that have been solved or are relatively easy to solve, and ultimately a solution to the problem.