学生由初中升入高中后,普遍认为数学难学,尽管很多学生很努力,但成绩平平,甚至落伍掉队.为什么会出现这种现象呢?在初中的课堂教学中,由于内容少、难度小,老师可以反复讲、学生反复练;而高中每堂课的内容都较多、难度也较大,教师的讲解不可能面面去到,只能做到重点讲解、难点突出,然后由学生自己去 Students from junior high school to high school, generally considered mathematics difficult to learn, although many students work hard, but the results were mediocre, and even outdated team.Why this phenomenon? In junior high school classroom teaching, due to less content, less difficult, The teacher can repeatedly say, the students repeatedly practice; and high school each lesson more content, more difficult, the teacher can not explain the face to go, only to make the key to explain the difficulties highlighted, and then by the students themselves