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在日常教学中,虽然精心设计,但是却经常发生一些意想不到的事情。作为教师不仅应该能按预设进行教学,更应用自己的智慧去解决那些突发的生成事件,使其成为课堂的闪光之处,成为教师展示智慧的舞台。一天,数学课上我正在讲解钟表时针的问题,在课后题中有这样一道判断题:当3时30分时,时针与分针的夹角不是90°。当我用多媒体将问题打在大屏幕上时,同学们立即展开了激烈的争论,有的同学说:“当然是90°,因为如果时针指
In daily teaching, although carefully designed, but often something unexpected happened. As teachers, they should not only teach by default, but also apply their own wisdom to solve those emergent incidents so that they become the flash of the classroom and become the stage where teachers show wisdom. One day, in the math class, I was explaining the clock hour problem. After the class questions, I had a judgment question: When 3:30, the angle between the hour hand and the minute hand was not 90 °. When I used multimedia to hit the big screen, the students started an intense debate immediately. Some of them said: ”Of course, it is 90 °, because if the hour hand