陈永明评议数学课（修订版）.pdf

!# 目 录 第一部分 概念课 感悟概念%%%%%%%%%%%%%%%%%%% . 剖析概念%%%%%%%%%%%%%%%%%%% - 胸中有图$胸中有例$胸中有数 概念的直观化和 具体化%%%%%%%%%%%%%%%%%%% * 教学目标要准确落实 %%%%%%%%%%%%% $- 要理解每节课在整个数学中的地位 %%%%%%% # )有思想*和)没思想*揭示数学知识的来龙去脉 % . 淡化形式 正确看待数学的严密性 %%%%%% + 概念的直接引入 %%%%%%%%%%%%%%% * 谁知盘中餐$粒粒皆辛苦 把握教材$了解学生 % . 第二部分 定理公式法则课 同课异构#勾股定理之一%%%%%%%%%%% %- 同课异构#勾股定理之二%%%%%%%%%%% %* 同课异构#勾股定理之三%%%%%%%%%%% -% 同课异构#平行四边形判定定理之一%%%%%% / 同课异构#平行四边形判定定理之二%%%%%% /- 一谈方法 通法和优法 %%%%%%%%%%% +# 启发式教学和好的导入 %%%%%%%%%%%% +% 启发式教学和好的问题 %%%%%%%%%%%% +, 读读议议 %%%%%%%%%%%%%%%%%% ,$ 一谈难点#初遇待定系数法%%%%%%%%%%% ,- 二谈难点#数学归纳法的教学%%%%%%%%%% ,, 三谈难点#)一贴二靠*好%%%%%%%%%%%% *% ! 不要为亮点而亮点 %%%%%%%%%%%%%% ** !!! !! 附#)量的目的是为了不量* %%%%%%%%%% $# 二谈方法 理解方法的深层意义 %%%%%%%