三年级数学上册第3单元《测量》整理与复习教案新人教版.doc

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1、1测量整理与复习课时编号课 题测量整理与复习课 时教学目标 1、让学生自主地对测量的知识进行创造性地回顾、整理、交流,梳理成知识网络,并初步掌握。2、通过多种形式的学习活动,促进认知结构的进一步生成,并培养创新意识。3、加强数学与生活的密切联系,培养学生的实践能力和用知识解决问题的能力。重 难 点 通过分类整理,系统掌握长度、质量计量单位及单位间的换算关系。能灵活的运用测量的知识解决实际问题。准 备教学过程1.我们学习了“测量”这一单元,大家了解了有关测量的哪些知识?请按照一定的顺序,整理在下面的方框内。1千米、米、分米、厘米、毫米都是( )单位,千克、克、吨都是( )单位。2小青走 800

2、米用了 8 分钟,平均每分钟走( )米。3 5 厘米=( )毫米 3000 千克=( )吨500 毫米=( )厘米 4300 千克=( )吨( )千克4 学校运动场的跑道一圈长 400 米,两圈长( )米,还差( )米是 1 千2米。5一根蜡烛长 1 分米 2 厘米,点燃一会后燃去了 5 厘米,还剩( )厘米。1.苗苗的身高是 142( ) 。 A 厘米 B 分米 C 米2.一个鸡蛋约重 70( ) 。 A 吨 B 克 C 千克3.1 千克和 1 千米比较( ) 。 A1 千克大 B1 千米大 C 无法比较4.数学课本的宽是 147( ) 。 A 毫米 B 厘米 C 分米5.一辆卡车的载重量是 4000( ) 。A:克 B:吨 C:千克1.熊妈妈给小熊出了一道题:有一根 80 厘米长的铁丝,让小熊按每段 8 厘米的要求剪,在剪之前要先算一算,可以剪多少段?要剪几次?2.刘星离开家到学校上学,已经走了 380 米,还有 620 米就到学校了,刘星家离学校多少米?合多少千米?3.电梯的载重量是 1 吨,现在有 20 名顾客,平均体重为 60 千克,他们能同时乘坐电梯吗?课后反思3

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