练习二 (2).ppt

状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,练习二,R,五年级下册,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,1.,把中间符合条件的数填入相应的热气球里。,1,2,3,4,6,9,12,36,18,1,2,3,4,5,6,10,12,15,20,30,60,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,2.,（,1,）写出下面各数的因数。,10 17 28 32 48,10,的因数有：,1,，,2,，,5,，,10,17,的因数有：,1,，,17,28,的因数有：,1,，,2,，,4,，,7,，,14,，,28,32,的因数有：,1,，,2,，,4,，,8,，,16,，,32,48,的因数有：,1,，,2,，,4,，,6,，,8,，,12,，,24,，,48,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,2.,（,2,）写出下面各数的倍数（各写,5,个）。,4 7 10 6 9,4,的倍数有：,4,8,12,16,20,7,的倍数有：,7,14,21,28,35,10,的倍数有：,10,20,30,40,50,6,的倍数有：,6,12,18,24,30,9,的倍数有：,9,18,27,36,45,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,3.,把是,5,的倍数的星星涂上黄色。,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,4.,15,的因数有哪些？,15,是哪些数的倍数？,15,的因数有：,1,3,5,15,；,15,是,1,3,5,15,的倍数。,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,5.,下面的说法正确吗？正确的画“”，错误的画“,”。,（,1,）,1,是,1,，,2,，,3,，,的因数。,（,2,）,8,的倍数只有,16,，,24,，,32,，,40,，,48,。,（,3,）,369=4,，所以,36,是,9,的倍数。,（,4,）,5.7,是,3,的倍数。,（）,（）,（）,（）,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,6.,填空。,1,的因数有（）个，,7,的因数有（）个，,10,的因数有（）个。,1,2,4,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,7.,猜数游戏。,18,1,42,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,8.,一个数是,42,的因数，同时也是,3,的倍数，这个数可能是多少？,这个数可能是：,3,6,21,42,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,是,是,我发现：两个数分别是同一个数的倍数，这两个数的和也是这个数的倍数。,声 明,本文件仅用于个人学习、研究或欣赏，以及其他非商业性或非盈利性用途，但同时应遵守著作权法及其他相关法律的规定，不得侵犯本司及相关权利人的合法权利。,除此以外，将本文件任何内容用于其他用途时，应获得授权，如发现未经授权用于商业或盈利用途将追加侵权者的法律责任。,武汉天成贵龙文化传播有限公司,湖北山河律师事务所,