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一提到教学要启发,一些教师就摇头。或曰:内容简单、无需启发;或曰:内容过难、启而不发。抱有这种看法的同志,往往对启发式教学思想领会不深,也缺乏“善启”的功力。笔者曾听过两位富有经验的老师的讲授,对照之下颇受教益。现各摘其一段,以飧同行。(一)内容:初二物理“测量”一节。课堂上,师生围绕这样一道习题展开了讨论。题目:怎样用步测法测量你家到学校的距离?学生:先测出一步的距离,然后测出家到学校的总步数。步距乘以步数,即得所测的距离。教师:那么,“一步”怎样测呢?学生:迈出一步,用直尺量出后脚尖(或脚跟)
When it comes to teaching to inspire, some teachers shook their heads. Or say: the content is simple, without inspiration; or saying: the content is too difficult, Kai without hair. Comrades holding this view often do not have deep understanding of heuristic teaching ideas and lack the skill of “good initiation”. I have heard the teaching of two experienced teachers, under the guidance of teaching. Now each pick a paragraph to 飧 counterparts. (A) Content: The first two physical “measurement” section. In class, teachers and students talked about such a problem. Topic: How to measure the distance between your home and school by walking test? Student: First measure the distance and then measure the total number of steps from home to school. Multiply the step by the number of steps to get the measured distance. Teacher: So, what about “one step”? Student: Take one step and measure the tiptoe (or heel) with a ruler