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2009年初,南京市教研室对全市八年级学生进行了一次调研性测试,测试的内容为苏科版数学教科书八年级上册的学习内容及《数学课程标准》(实验稿)中的相关内容.本次测试恰当的评价了学生的基础知识、基本技能和解决问题的能力,得到了教师们较高的评价.但是在本次测试之后的阅卷过程中,笔者发现有一道难度较小试题的得分率与命题者的预估得分率差异较大,并引起了不少教师的关注和议论.
In early 2009, the Nanjing Teaching and Research Section conducted a research test for the eighth graders in the city. The content of the test was the content of the eighth grade of Su Ke edition and the relevant content of the “Mathematics Curriculum Standard” (experimental draft). The test appraised the students' basic knowledge, basic skills and the ability to solve the problems properly, and got the higher appraisal from the teachers.But in the marking process after this test, I found that there is a difficult problem with the score rate and Proponent's estimated score is quite different, and attracted a lot of teachers attention and discussion.