四年级数学下册4.2《我说你搭》课件2北师大版.ppt

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1、下面这些图分别是从哪 个方向上看到的?,正面,左面,上面,2、将拍摄位置的编号填在 相应的图形下。,3、连一连。,从右面看,从正面看,从上面看,2、两个正方体可以拼成一个( )体, 它有( )个面是正方形,有( )个面是长方形。,1、一个长方体每次最多能看到( ) 个面。,填一填。,3,长方,两,四,3、至少需要( )个小正方体可以拼成一个大正方体。,8,4、观察 从它的上面看到的是( )形。,圆,观察下面三幅图分别是从什么方向看到的?,上面,左面,正面,笑笑搭了一个立体图形,淘气按笑笑的指令,搭出同样的立体图形。看一看,说一说,做一做。,淘气用3个正方体又搭出了一个立体图形,从正面看是 ,第三个正方体能放在什么位置?,1.请你按照淘气的指令搭一搭。,2.笑笑用3个正方体搭立体图形,从正面看是2个正方形。请试着用两种方法搭出来,并分别画出你从正面、右面和上面看到的图形。,

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