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运动型问题的数学知识综合度高,是考查学生创新能力的重要题型,因而是中考命题的热点和难点问题。教学中需要引导学生用运动变化的眼光观察和研究图形,把握图形运动与变化的全过程,抓住其中的等量关系和变量关系,并特别关注一些不变量、不变关系或特殊关系。
The high comprehensiveness of the sports knowledge of mathematics is an important question for examining the students’ innovative ability. Therefore, it is the hot and difficult issue of the senior high school entrance examination. In the teaching, students should be guided to observe and study the graphics with the change of the movement, to grasp the whole process of the movement and change of the graphics, to grasp the relationship between the equal and variable variables, and pay special attention to some invariants, invariant relations or special relations.