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在课堂教学中,教学情境瞬息万变、错综复杂,随时都有可能发生意想不到的情况,教师需要随机应变,运用教学机智,灵活解决偶发事件,让课堂的一次次意外变成一次次精彩。下面笔者以吴正宪老师执教的人教版二年级数学上册《搭配》一课为例,谈谈面临复杂的教学情境,如何准确判断、妥善处理、捕捉生成、因学利导、拓展延伸。一、超预设,捕捉生成“凡事预则立,不预则废。”只有事先经过充分预计,课堂教学才能临阵不乱,
In classroom teaching, the teaching situation is changing rapidly and intricately, unexpected situations may occur at any time. Teachers should adapt themselves to the circumstances and make use of teaching tactics to flexibly solve occasional incidents so as to make the class unexpected accidents become wonderful again and again. The following author to Wu Zhengxian coached PEP 2 grade mathematics on the book “with” a class as an example, to talk about the face of complex teaching situations, how to accurately judge, properly handle, capture generation, due to academic guidance, extension and extension. First, the super preset, to capture the generation of “everything preconditions, without prejudice.” Only fully anticipated beforehand, classroom teaching can be temporary chaos,