二年级数学上册第5单元观察物体(一)观察物体(综合练习)教案新人教版.doc

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1观察物体综合练习教学目标:1、对“从不同位置观察物体形状”进行巩固练习,使学生能正确理解。 2、从具体、形象、直观的物体中形成表象,培养空间想象能力。 3、培养学生的观察、操作能力及想想能力。教学重点:体会从不同位置观察物体所看到的形状可能不同,培养空间。教学难点:培养学生的观察、操作能力及想想能力。教学准备:测试题教学过程:一、知识园 512= 323= 416= 230= 508= 728= 245= 56+24= 156= 262= 208= 293=二、智慧园1、下面各幅图分别是从哪个方向看到的图形( ) 面( ) 面 ( ) 面( ) 面( ) 面22、下面的立体图形从上面看到的分别是什么形状?请连一连。3、找一找 。有三个立体图形,从上面看到的图形是 的,请在它的下面画“” ;从侧面看到是 的,请在它的下面画“” 。三、仔细看图,填图号. (21 分) ( ) 面 ( ) 面 ( ) 面( ) 面 ( ) 面3 (1)从正面看到的是 C 的有( )(2)从侧面看到的是 B 的有( )()从上面看到的是的有( )四、请说出下面四张照片分别是在房子的哪一面拍的。( ) 面 ( ) 面 ( ) 面五、下面的物体分别从正面、侧面、上面看到的形状分别是什么?请你在方格纸上画出来。 (18 分) ( ) 面( ) 面4( ) 面5

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