2009级成都市化学摸底考试分析

单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,2009级成都市化学“摸底考试” 分析,1,命 题 思 路,反映大纲要求，全面考查基础知识,难度控制 “摸底” ，知识难度不大，重基础及基础应用,重点考查,确定高三复习教学的基本思路,促使师生尽快进入高三复习状态,学生过手是否扎实,学科基本思路和方法,应试水平时间安排，遇到困难后的措施应对等,2,命题思路,教材 选10等,08年高考试题 选18,基础 基本概念、基本理论,如氧化还原：选13及,24（2）、26题考查程度与角度的不同,离子反应方程式：28 与选11、24（2）考查要点与水平,实验 例24题,例28题：实验设计、探究,基本操作及仪器,实验现象观察及表达（学生弱项文字表述）,实验分析及用化学用语表达离子方程式,3,表1 化学卷试题统计表（样本：39079份）,题号,答案,难度,A,B,C,D,1,A,0.72,0.28,0.22,0.15,0.35,2,D,0.24,0.05,0.14,0.05,0.76,3,B,0.48,0.13,0.52,0.19,0.15,4,C,0.3,0.02,0.09,0.7,0.18,5,B,0.32,0.08,0.68,0.12,0.12,6,A,0.43,0.57,0.06,0.1,0.27,7,B,0.2,0.05,0.8,0.1,0.05,8,D,0.43,0.04,0.16,0.23,0.57,9,C,0.39,0.08,0.14,0.61,0.17,10,A,0.49,0.51,0.23,0.16,0.09,11,B,0.55,0.12,0.45,0.09,0.33,4,表1 化学卷试题统计表（样本：39079份）,12,C,0.61,0.18,0.18,0.39,0.25,13,D,0.29,0.06,0.11,0.11,0.71,14,C,0.57,0.36,0.1,0.43,0.11,15,B,0.43,0.07,0.57,0.08,0.29,16,A,0.3,0.7,0.1,0.12,0.07,17,C,0.57,0.23,0.23,0.43,0.11,18,B,0.48,0.05,0.52,0.31,0.12,19,A,0.25,0.75,0.06,0.08,0.11,20,C,0.49,0.14,0.09,0.51,0.26,21,D,0.54,0.14,0.2,0.2,0.46,22,C,0.62,0.22,0.24,0.38,0.14,5,有关数据,表2 分科统计表（37087份,）,化 学,卷, 卷,全 卷,满 分,44,56,100,平均分,23.76,22.96,46.72,难 度,0.54,0.41,0.47,化 学,卷, 卷,全 卷,满 分,44,56,100,平均分,24.64,19.18,43.82,难 度,0.56,0.34,0.44,上届：,6,表3 化学上线统计表（样本：37087份）,学科,总分,全市合计人数,化学划线分数,化学上线人数,比例,理应高线,480分,34233,53,(55),11199,32.7,（,3472）,理往高线,480分,2854,59,（60）,1605,56.23,（5907）,理应低线,400分,34233,41,（43）,18240,53.28,（5078）,理往低线,400分,2854,46,（47）,2289,80.2,（,7671）,7,表4 化学分段统计表（样本：37087份 上届:39070份）,注：高线高分段偏软，高线中、低分段与中线均较上届强,8,几点注意,基础和难度。考纲中的知识点及组合就是“基础”，而多种因素影响难度。,有两点：,高考要求；,学生实际。根据学生实际，在课堂教学中按高考要求落实“基础”，才能有效避免考试过程中学生拿不到基础分的现状。,9,教学建议,教材、考纲 每一节课的依据,基础 每一节课落实,学案,课时目标、阶段目标、总目标 阶段性、针对性,师生任务 时间分配，学生提升度,强化训练 目的，习题量与强度，教学实施分层,优生与踩线生 提升、巩固，明确不同要求,10,谢谢!,11,