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挖掘教材中某些典型例(习)题的潜在功能,师生一道共同剖析,并注意积极引导学生从不同角度分析解题思路,沟通教材内在联系,对于培养学生求异思维能力,克服僵化模式及定势思维等消极因素的干扰,将会产生积极的作用。现就一道课本习题,谈谈我们进行课外教学活动的做法和粗浅体会。求证:1+1/2~(1/2)+1/3~(1/2)+…+1/n~(1/2)>n~(1/2)(n>1)(高中《代数》第二册(甲种本)P.112第11题)
Digging out the potential functions of some typical examples in the textbooks, teachers and students together to analyze, and pay attention to actively guide students to analyze problem-solving ideas from different angles, communicate the internal links of teaching materials, to train students to think differently and overcome the rigid mode Interference with negative factors such as stereotyped thinking will have a positive effect. Now on a textbook exercise, talk about our extracurricular teaching activities and superficial experience. Proof: 1+1/2~(1/2)+1/3~(1/2)+...+1/n~(1/2)>n~(1/2)(n>1)(High School Algebra II (A type) P.112 Problem 11)