一年级数学下册第1单元《认识图形(二)》习题1新人教版.doc

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1认识图形(二)填一填1. 把各种图形的序号填在( )里。( ) ( ) ( ) ( ) ( ) 2. 选一选,拼一拼。(1)下面哪两个长方形可以拼成一个正方形?(填序号) ( )和( )(2)左边的图形是由右边哪两个图形拼成的?(填序号) ( )和( )3.有( )个, 有( )个,有( )个, 有( )个。4.缺了( )块 。连一连1看看从上面哪个物体上可以画出下面的图形。22.答案和解析填一填1. ( 、 ) (、) ( ) ( 、 ) ( ) 2. (1) 和 (2) 和 3. 有( 1 )个, 有( 2 )个,( 5 )个, 有( 4 )个。4. 7连一连略。

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