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本人在教学《长方形面积的计算》（六年制人教版第六册）时 ,让学生通过实践活动 ,自主探索 ,从而掌握了求长方形面积的方法和意义。……师 :请同学们拿出１２个１平方厘米的正方形自由组合拼成一个长方形。生动手摆。师 :请同学们汇报一下 ,你是怎样摆的？生１ :我把１２个小
When I was teaching “The Calculation of the Area of a Rectangle” (Six-Year PEP, Book 6), students were allowed to explore independently through practical activities to grasp the method and significance of seeking a rectangular area. ... Division: Please students come up with 12 1 square centimeter square free combination spell into a rectangle. Vivid hand swing. Teacher: Please tell the students what is your place? Students 1: I put 12 small