初中生特别是初一的学生,年龄一般在十二三岁左右,这个时期是他们思想、性格、人生观的重要转型期。由于年龄小,生活实践经验少,他们的思维深度和广度还存在缺陷。根据他们的这些特点,从初一第一学期的代数转到第二学期的几何的学习,学生大都感到迷茫困惑,也是教学的一个难点。首先是研究对象发生了变化,学生已经习惯于数的运算,一下转为研究平面图形,不太适应;其次是学习方法发生了变化,由“运算”转 The junior high school students, especially the first students, are generally 12 or 13 years old. This period is an important transition period for their thinking, personality and outlook on life. Due to their small age and little practical experience in life, their depth and breadth of thinking are still flawed. According to these characteristics, from the first semester of the first semester algebra to the second semester of geometry learning, most students feel confused and confused, but also a difficult teaching. The first is the study of the object has changed, the students have been accustomed to the number of operations, look at the study of plane graphics, not adapted; followed by changes in learning methods, by the “operation” turn