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扈老师精心设计课时目标。各课时依此为开启课、种子课、生长课、衍展课和盘点课。分别对应图形的拼组和图形的大小比较、平行四边形的面积、三角形的面积、梯形的面积、组合图形的面积和有联系的面积公式。
开启课,为后续割补、倍拼等新图形转化为旧图形进行面积单位计数的方法积累必要的思维经验。种子课,掌握平行四边形的面积计算公式,会解决相关实际问题,体会用转化思想推导公式的方法。生长课,掌握三角形、梯形面积计算公式,会解决相关实际问题,形成初步的用转化思想推导公式的方法。衍展课,掌握补、割的方法进行多边形面积的计算,会解决实际问题,进一步形成转化的思想和方法。盘点课,探究多边形面积计算方法间的关联,感受数学知识间、数学研究方法间的一致性和可迁移性。同时,各课时均高度注意渗透中国传统数学文化。
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扈老师精心设计课时目标。各课时依此为开启课、种子课、生长课、衍展课和盘点课。分别对应图形的拼组和图形的大小比较、平行四边形的面积、三角形的面积、梯形的面积、组合图形的面积和有联系的面积公式。
开启课,为后续割补、倍拼等新图形转化为旧图形进行面积单位计数的方法积累必要的思维经验。种子课,掌握平行四边形的面积计算公式,会解决相关实际问题,体会用转化思想推导公式的方法。生长课,掌握三角形、梯形面积计算公式,会解决相关实际问题,形成初步的用转化思想推导公式的方法。衍展课,掌握补、割的方法进行多边形面积的计算,会解决实际问题,进一步形成转化的思想和方法。盘点课,探究多边形面积计算方法间的关联,感受数学知识间、数学研究方法间的一致性和可迁移性。同时,各课时均高度注意渗透中国传统数学文化。
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梁才中心学校小学部数学组全体教师珍惜学习的机会,认认真真记笔记,力争理解新课标的理念,理解上课教师的设计意图,并把所学知识理念运用到自己的课堂教学当中,能真正促进学生核心素养的发展。","text_center":0,"text_color":0,"text_large":0,"text_strong":0,"type":1},{"ext":{"unique_id":"a7a022be3a8a656eba788ae525d7d82e"},"sale_price":"0.00","sell_key":"9323f0181703620b44e5a66d21dbc40d","text":"( 图片:各年级备课组 文字:各年级备课组
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