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学生由初中升入高中后,普遍认为数学难学。许多学生说,他们在初中数学成绩一般都较好,即使是在中考这样的大型考试中,成绩也大多在80分以上。而步入高一后,数学考试想得80分以上,常常是望尘莫及。不少学生家长也疑惑不解:数学成绩一向较好的孩子,进入高中后竟然如此之快失去了往日的“辉煌”。笔者对自己所在的学校93届两个班高一新生入学数学和高一学年度数学考试各分数段人数及其他情况做了详细统计,数据如下表(85分以上为优秀):
After rising from junior high school to high school, students generally believe that mathematics is difficult to learn. Many students say that they have generally good grades in junior high school mathematics, and even in such large-scale examinations, the scores are mostly over 80 points. After entering the first grade, the mathematics exam wants 80 points or more, which is often unmatched. Many parents of students are also puzzled by the fact that children who have always had better mathematics achievements have lost so much of their past glory after entering high school. The author has made detailed statistics on the number of participants in the 93 mathematics classes and the mathematics exams for senior high school students and their other conditions in the 93rd session of their school. The figures are as follows (over 85 points are excellent):