从事过初中数学教学的老师都知道,学生中考数学成绩总比平时成绩要低。那么中考数学成绩比平时数学成绩的降幅有多大呢?笔者对陕西省2009.2010和2012级等三级毕业生的初中数学成绩,做了抽样调研。1研究对象与方法:笔者将数学中考成绩划分为三种等次,中考数学成绩≥105分的为高分学生,≥96<105分的为良好学生,≥72<96分的为及格学生。笔者随机从陕西省2009级毕业生中选取高分学生3名,良好 Engaged in junior high school mathematics teaching teachers know that students in the test scores lower than usual grades. Then the entrance exam math results than usual decline in math scores how much? The author of Shaanxi Province in 2009.2010 and 2012 grade three junior high school math results, did a sample survey. 1 Subjects and Methods: The author divided the math test scores into three equal grades, the senior high school students whose senior high school entrance examination scores ≥105, good students ≥96 <105, and those who passed ≥72 <96 were eligible students. The author randomly selected from Shaanxi Province 2009 graduates 3 high score students, good