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这是笔者在教学人教版课标实验教科书数学二年级上册“测量物体长度”时发生的一个真实的故事。当新课进行到十五分钟时,同学们已经通过测量了解了一部分身边物体的长度。
This is the author in teaching PEP textbook experimental textbook grade two “measuring object length” when a real story. When the new lesson went to fifteen minutes, the students learned by measuring the length of some of the objects around him.