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2014年春季开学,徐州市在全市中小学推进了“学讲计划”的教学改革。我县以丰县实验小学为教改龙头,开展了多种多样的助推“学讲计划”实施的教学教研活动。“长方体的认识”这一内容的两节异构研讨课,就是在这一背景下进行的。众所周知,“长方体棱的特征”是“长方体认识”中的重难点之一。这一环节的教学,历来老师们都舍得花较多的时间和精力,设计出动手操作的内容,让学
The spring of 2014 school, Xuzhou City, primary and secondary schools in the city to promote “lecture program ” teaching reform. Fengxian County Experimental Primary School for the reform of education leading to carry out a wide range of boost “lecture plan ” implementation of teaching and research activities. It is in this background that two heterogeneous seminars on the content of “the understanding of the cuboid” are carried out. As we all know, “the characteristics of cuboid edges ” is one of the most difficult and difficult points in the This part of the teaching, teachers have always been willing to spend more time and energy, design hands-on content, so that learning