【摘 要】
：
教学中,学生的思维生成对教师来说可分为“意料生成”和“意 外生成”两种。“意料生成”是指师生在学习互动中形成的过程和 结论在教师预设的期望之内,如教学“长方形面积的
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教学中,学生的思维生成对教师来说可分为“意料生成”和“意 外生成”两种。“意料生成”是指师生在学习互动中形成的过程和 结论在教师预设的期望之内,如教学“长方形面积的计算”, 当学 生面对“用什么方法测量出一张长方形照片的面积”这一问题,想 出用透明纸蒙上格子,用小正方形摆,甚至于量出长和宽后相乘等 方法,这些都是教师的预料之中,都是“意料生成”。教学过程中, 要想“意料生成”达成教学目标,我认为教师应做到:
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