二年级数学下册六《认识图形》平行四边形同步精练北师大版.doc

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1平行四边形、欣赏与设计一、在下面的图形中,哪些是正方形,哪些是长方形,哪些是平行四边形?正方形有( );长方形有( );平行四边形有( )。 2、下面哪个图形是平行四边形?在()里画“” 。( ) ( ) ( ) ( )( ) ( ) ( ) ( )三、找规律,画一画。(1) (2) (3) 四、请你用学过的图形在下面的方格图中设计一条漂亮的花边。2参考答案一、正方形: 长方形: 平行四边形: 二、 () ( ) () ( ) () ( ) () ( )三、 四、3(答案不唯一)

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