二年级数学下册三《生活中的大数》拨一拨课课练(无答案)北师大版.doc

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1、1拨一拨课课练1填空。(1)一万里有( )个千,一千里有( )个百。(2)3 个千,4 个十组成的数是( ) ,6028 是由( )个千, ( )个十, ( )个一组成的。(3)千位右边是( )位,左边是( )位。(4)3805 是( )位数,最高位是( )位;806 是( )位数,最高位是( )位。(5)一个数千位上的数字是 4,十位上的数是 8,其余各个数位上的数是 0,这个数是( ) 。2判断题(正确的在括号里打“” ,错误的打“” ) 。(1)6785 是一个四位数。 ( )(2)3 个一,5 个十,7 个百和 4个千组成的数是 3574。 ( )(3)与 1019相邻的两个数是 10

2、30、1031。 ( )(4)一个数从右边起,第二位是十位,第四位是千位。 ( )(5)7085 这个数中的 8表示 8个十。 ( )(6)一个数千位上是 6,十位和百位上都是 0,个位上是 4,这个数是 604。 ( )3选择正确答案的序号在括号里。(1)3685 中的 6表示( )6 个千 6 个一 6 个百 6 个十(2)由 5个千和 5个十组成的数是( )5005 5050 5500 50005(3)九千零九接着数下去的一个数是( )9019 9010 1 9011(4)6 在百位上的数是( )6827 6466 6915 76834填空。2460 45266003 25用 0、2、4、6 组成三位数(能写几个写几个) 。

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