人教版一年级下册数学找规律练习题
严格-杭州海底世界在哪里
人教版一年级下册数学试卷
找规律练习题
一、按规律画图
(4)仔细观察下图,接着画
(5)观察下图的变化,想一想第4幅图应画上怎样的图形?
二、找找下列各数列的规律,在括号内填上合适的数。
(1)1,3,5,(
),9
(2)1,4,( ),10,13,( ) ,( )
(3)1,5,( ),13,( ) ,( )
(4)2,4,( ),( ),12,( )
(5)1,7,(
),19,( ),31,( )’43’
(6)5,10,(
),20,( ),30,( ),35,( )
(7)3,6,9,(
),( ),18,( ),24
(8)2,6,10,( ),(
),22,( ),( ),32,( )
(9)35,30,(
),( ),15,( ),( )
(10)50,40( ),(
),( )
(11)65,60,( ),( ),( ),40,(
),( ),( )
(12)57,50,( ),( ),(
),22,( ).( ),13
(14)66,61,( ),(
),46,( ),( ),31,( )
(15)5,15,(
),( ),( ),55,( ),( )
(16)95,85,(
),( ),55,( ),( ),25,( ),( )
(17)22,20,( ),( ),( ),12,( ),(
),( ),( )