(完整word版)2018最新苏教版四年级下册数学第二单元测试卷.pdf

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(完整word版)2018最新苏教版四年级下册数学第二单元测试卷.pdf

第二单元演练一、填空题。1.比最大的六位数大1 的数是(),它的最高位是()位。2.十个一万是();十个()是一亿;由三十个万和三十个千组成的数是()。3.一个五位数,最高位和千位上都是3,这个数最小是();一个数是由 6 个万、3个千和 6 个百组成的,这个数是()。4.用 5 个 3 和 3 个 0 组成的 8 位数中,只读一个零的八位数是(),最大的八位数是(),读作:()。5.把 550000 改写成用“万”作单位的数是();肥城市去年桃花节的旅游收入是300000000 元,改写成用“亿”作单位的数是()元。二、判断题。(对的画“”,错的画“?”)1.计数单位和数位的意义一样。()2.七千五百零八万零五百写作:75085000。()3.400000000 改写成用“亿”作单位的数是4 亿。()4.60006000 中的 6 个 0 都不读出来。()5.100 张纸大约厚 1 厘米,1000000 张纸大约厚 100 米。()6.最大的八位数比最大的七位数多九千万。()三、选择题。(把正确答案的序号填在括号里)1.由 2 个百万、3 个千和 7 个一组成的数是()。A.五位数B.六位数C.七位数2.一亿四千零五万零二写作()。精品资料-欢迎下载-欢迎下载名师归纳-第 1 页，共 4 页 -A.14050002B.140050002C.1405000203.使 9 8765000 最接近 9 亿时,可填()。A.0 B.4 C.54.下面的数中,最大的是()。A.77000B.707000C.70 万5.一个数由 8、4、1 和 5 个 0 组成,这个数最大是()。A.84100000B.81400000C.148000006.在 5 和 6 中间添()个 0,这个数才能成为五亿零六。A.6B.7C.8四、按照从大到小的顺序排列下面各数。1.793847794837793807794056002.500500050500005500000 505000五、按要求改写数。1.把下面各数写成用“万”作单位的数。89000000=784000 509000 2.把下面各数写成用“亿”作单位的数。500000000=9958200000 7421305678 六、里最大能填几?74995 74 万749950000 75 亿56505055049365874021 365875 万精品资料-欢迎下载-欢迎下载名师归纳-第 2 页，共 4 页 -文档编码:CE6P3J1G6R4 HS9S1V9B9D9 ZK7D2A2Q10R3文档编码:CE6P3J1G6R4 HS9S1V9B9D9 ZK7D2A2Q10R3文档编码:CE6P3J1G6R4 HS9S1V9B9D9 ZK7D2A2Q10R3文档编码:CE6P3J1G6R4 HS9S1V9B9D9 ZK7D2A2Q10R3文档编码:CE6P3J1G6R4 HS9S1V9B9D9 ZK7D2A2Q10R3文档编码:CE6P3J1G6R4 HS9S1V9B9D9 ZK7D2A2Q10R3文档编码:CE6P3J1G6R4 HS9S1V9B9D9 ZK7D2A2Q10R3文档编码:CE6P3J1G6R4 HS9S1V9B9D9 ZK7D2A2Q10R3文档编码:CE6P3J1G6R4 HS9S1V9B9D9 ZK7D2A2Q10R3文档编码:CE6P3J1G6R4 HS9S1V9B9D9 ZK7D2A2Q10R3文档编码:CE6P3J1G6R4 HS9S1V9B9D9 ZK7D2A2Q10R3文档编码:CE6P3J1G6R4 HS9S1V9B9D9 ZK7D2A2Q10R3文档编码:CE6P3J1G6R4 HS9S1V9B9D9 ZK7D2A2Q10R3文档编码:CE6P3J1G6R4 HS9S1V9B9D9 ZK7D2A2Q10R3文档编码:CE6P3J1G6R4 HS9S1V9B9D9 ZK7D2A2Q10R3文档编码:CE6P3J1G6R4 HS9S1V9B9D9 ZK7D2A2Q10R3文档编码:CE6P3J1G6R4 HS9S1V9B9D9 ZK7D2A2Q10R3文档编码:CE6P3J1G6R4 HS9S1V9B9D9 ZK7D2A2Q10R3文档编码:CE6P3J1G6R4 HS9S1V9B9D9 ZK7D2A2Q10R3文档编码:CE6P3J1G6R4 HS9S1V9B9D9 ZK7D2A2Q10R3文档编码:CE6P3J1G6R4 HS9S1V9B9D9 ZK7D2A2Q10R3文档编码:CE6P3J1G6R4 HS9S1V9B9D9 ZK7D2A2Q10R3文档编码:CE6P3J1G6R4 HS9S1V9B9D9 ZK7D2A2Q10R3文档编码:CE6P3J1G6R4 HS9S1V9B9D9 ZK7D2A2Q10R3文档编码:CE6P3J1G6R4 HS9S1V9B9D9 ZK7D2A2Q10R3文档编码:CE6P3J1G6R4 HS9S1V9B9D9 ZK7D2A2Q10R3文档编码:CE6P3J1G6R4 HS9S1V9B9D9 ZK7D2A2Q10R3文档编码:CE6P3J1G6R4 HS9S1V9B9D9 ZK7D2A2Q10R3文档编码:CE6P3J1G6R4 HS9S1V9B9D9 ZK7D2A2Q10R3文档编码:CE6P3J1G6R4 HS9S1V9B9D9 ZK7D2A2Q10R3文档编码:CE6P3J1G6R4 HS9S1V9B9D9 ZK7D2A2Q10R3文档编码:CE6P3J1G6R4 HS9S1V9B9D9 ZK7D2A2Q10R3文档编码:CE6P3J1G6R4 HS9S1V9B9D9 ZK7D2A2Q10R3文档编码:CE6P3J1G6R4 HS9S1V9B9D9 ZK7D2A2Q10R3文档编码:CE6P3J1G6R4 HS9S1V9B9D9 ZK7D2A2Q10R3文档编码:CE6P3J1G6R4 HS9S1V9B9D9 ZK7D2A2Q10R3文档编码:CE6P3J1G6R4 HS9S1V9B9D9 ZK7D2A2Q10R3文档编码:CE6P3J1G6R4 HS9S1V9B9D9 ZK7D2A2Q10R3文档编码:CE6P3J1G6R4 HS9S1V9B9D9 ZK7D2A2Q10R3文档编码:CE6P3J1G6R4 HS9S1V9B9D9 ZK7D2A2Q10R3文档编码:CE6P3J1G6R4 HS9S1V9B9D9 ZK7D2A2Q10R3文档编码:CE6P3J1G6R4 HS9S1V9B9D9 ZK7D2A2Q10R3文档编码:CE6P3J1G6R4 HS9S1V9B9D9 ZK7D2A2Q10R3文档编码:CE6P3J1G6R4 HS9S1V9B9D9 ZK7D2A2Q10R3文档编码:CE6P3J1G6R4 HS9S1V9B9D9 ZK7D2A2Q10R3文档编码:CE6P3J1G6R4 HS9S1V9B9D9 ZK7D2A2Q10R3文档编码:CE6P3J1G6R4 HS9S1V9B9D9 ZK7D2A2Q10R3文档编码:CE6P3J1G6R4 HS9S1V9B9D9 ZK7D2A2Q10R39999998()()。2.用 0、1、2、3、4、5、6、7、8、9 可以组成一个十位数(每个数字不重复)。如果千万位和千位上的数字分别是9 和 6,那么这 10 个数字组成的十位数最大是();最小是()。3.用 0、0、0、1、2、3、4、5、6、7 这十个数字组成一个十位数,所有的 0 都不读出来。()。八、解决问题。1.爸爸的存折密码是一个六位数。一天他把密码忘记了,只记得密码从左往右念与从右往左念是一样的,还记得最高位上的数字是1,万位上的数字是最大的自然数,千位上的数字是最小的自然数。你能猜出爸爸存折的密码吗?2.一个八位数中的一个数字被墨水遮挡住了,现在只能看到“700 1234”。已知读这个数时一个“零”也不读出来,你知道这个数是多少吗?请你读出来。精品资料-欢迎下载-欢迎下载名师归纳-第 3 页，共 4 页 -文档编码:CE6P3J1G6R4 HS9S1V9B9D9 ZK7D2A2Q10R3文档编码:CE6P3J1G6R4 HS9S1V9B9D9 ZK7D2A2Q10R3文档编码:CE6P3J1G6R4 HS9S1V9B9D9 ZK7D2A2Q10R3文档编码:CE6P3J1G6R4 HS9S1V9B9D9 ZK7D2A2Q10R3文档编码:CE6P3J1G6R4 HS9S1V9B9D9 ZK7D2A2Q10R3文档编码:CE6P3J1G6R4 HS9S1V9B9D9 ZK7D2A2Q10R3文档编码:CE6P3J1G6R4 HS9S1V9B9D9 ZK7D2A2Q10R3文档编码:CE6P3J1G6R4 HS9S1V9B9D9 ZK7D2A2Q10R3文档编码:CE6P3J1G6R4 HS9S1V9B9D9 ZK7D2A2Q10R3文档编码:CE6P3J1G6R4 HS9S1V9B9D9 ZK7D2A2Q10R3文档编码:CE6P3J1G6R4 HS9S1V9B9D9 ZK7D2A2Q10R3文档编码:CE6P3J1G6R4 HS9S1V9B9D9 ZK7D2A2Q10R3文档编码:CE6P3J1G6R4 HS9S1V9B9D9 ZK7D2A2Q10R3文档编码:CE6P3J1G6R4 HS9S1V9B9D9 ZK7D2A2Q10R3文档编码:CE6P3J1G6R4 HS9S1V9B9D9 ZK7D2A2Q10R3文档编码:CE6P3J1G6R4 HS9S1V9B9D9 ZK7D2A2Q10R3文档编码:CE6P3J1G6R4 HS9S1V9B9D9 ZK7D2A2Q10R3文档编码:CE6P3J1G6R4 HS9S1V9B9D9 ZK7D2A2Q10R3文档编码:CE6P3J1G6R4 HS9S1V9B9D9 ZK7D2A2Q10R3文档编码:CE6P3J1G6R4 HS9S1V9B9D9 ZK7D2A2Q10R3文档编码:CE6P3J1G6R4 HS9S1V9B9D9 ZK7D2A2Q10R3文档编码:CE6P3J1G6R4 HS9S1V9B9D9 ZK7D2A2Q10R3文档编码:CE6P3J1G6R4 HS9S1V9B9D9 ZK7D2A2Q10R3文档编码:CE6P3J1G6R4 HS9S1V9B9D9 ZK7D2A2Q10R3文档编码:CE6P3J1G6R4 HS9S1V9B9D9 ZK7D2A2Q10R3文档编码:CE6P3J1G6R4 HS9S1V9B9D9 ZK7D2A2Q10R3文档编码:CE6P3J1G6R4 HS9S1V9B9D9 ZK7D2A2Q10R3文档编码:CE6P3J1G6R4 HS9S1V9B9D9 ZK7D2A2Q10R3文档编码:CE6P3J1G6R4 HS9S1V9B9D9 ZK7D2A2Q10R3文档编码:CE6P3J1G6R4 HS9S1V9B9D9 ZK7D2A2Q10R3文档编码:CE6P3J1G6R4 HS9S1V9B9D9 ZK7D2A2Q10R3文档编码:CE6P3J1G6R4 HS9S1V9B9D9 ZK7D2A2Q10R3文档编码:CE6P3J1G6R4 HS9S1V9B9D9 ZK7D2A2Q10R3文档编码:CE6P3J1G6R4 HS9S1V9B9D9 ZK7D2A2Q10R3文档编码:CE6P3J1G6R4 HS9S1V9B9D9 ZK7D2A2Q10R3文档编码:CE6P3J1G6R4 HS9S1V9B9D9 ZK7D2A2Q10R3文档编码:CE6P3J1G6R4 HS9S1V9B9D9 ZK7D2A2Q10R3文档编码:CE6P3J1G6R4 HS9S1V9B9D9 ZK7D2A2Q10R3文档编码:CE6P3J1G6R4 HS9S1V9B9D9 ZK7D2A2Q10R3文档编码:CE6P3J1G6R4 HS9S1V9B9D9 ZK7D2A2Q10R3文档编码:CE6P3J1G6R4 HS9S1V9B9D9 ZK7D2A2Q10R3文档编码:CE6P3J1G6R4 HS9S1V9B9D9 ZK7D2A2Q10R3文档编码:CE6P3J1G6R4 HS9S1V9B9D9 ZK7D2A2Q10R3文档编码:CE6P3J1G6R4 HS9S1V9B9D9 ZK7D2A2Q10R3文档编码:CE6P3J1G6R4 HS9S1V9B9D9 ZK7D2A2Q10R3文档编码:CE6P3J1G6R4 HS9S1V9B9D9 ZK7D2A2Q10R3文档编码:CE6P3J1G6R4 HS9S1V9B9D9 ZK7D2A2Q10R3文档编码:CE6P3J1G6R4 HS9S1V9B9D9 ZK7D2A2Q10R3第二单元答案一、1.1000000百万2.十万千万3300003.33000636004.3333030033333000三千三百三十三万三千5.55 万3 亿二、1.?2.?3.4.5.6.三、1.C2.B3.A4.B5.A6.B四、1.794056007948377938477938072.550000050500005005000505000五、1.8900 万78 万51 万2.5 亿100 亿74 亿六、496984七、1.(1)4852000(答案不唯一)(2)4850002(答案不唯一)(3)4080052(答案不唯一)(4)4080502(答案不唯一)(5)2000458200(6)8542000(7)8542000854020085400202.879543621010923465783.1023405670(答案不唯一)八、1.1900912.70001234读作:七千万一千二百三十四精品资料-欢迎下载-欢迎下载名师归纳-第 4 页，共 4 页 -文档编码:CE6P3J1G6R4 HS9S1V9B9D9 ZK7D2A2Q10R3文档编码:CE6P3J1G6R4 HS9S1V9B9D9 ZK7D2A2Q10R3文档编码:CE6P3J1G6R4 HS9S1V9B9D9 ZK7D2A2Q10R3文档编码:CE6P3J1G6R4 HS9S1V9B9D9 ZK7D2A2Q10R3文档编码:CE6P3J1G6R4 HS9S1V9B9D9 ZK7D2A2Q10R3文档编码:CE6P3J1G6R4 HS9S1V9B9D9 ZK7D2A2Q10R3文档编码:CE6P3J1G6R4 HS9S1V9B9D9 ZK7D2A2Q10R3文档编码:CE6P3J1G6R4 HS9S1V9B9D9 ZK7D2A2Q10R3文档编码:CE6P3J1G6R4 HS9S1V9B9D9 ZK7D2A2Q10R3文档编码:CE6P3J1G6R4 HS9S1V9B9D9 ZK7D2A2Q10R3文档编码:CE6P3J1G6R4 HS9S1V9B9D9 ZK7D2A2Q10R3文档编码:CE6P3J1G6R4 HS9S1V9B9D9 ZK7D2A2Q10R3文档编码:CE6P3J1G6R4 HS9S1V9B9D9 ZK7D2A2Q10R3文档编码:CE6P3J1G6R4 HS9S1V9B9D9 ZK7D2A2Q10R3文档编码:CE6P3J1G6R4 HS9S1V9B9D9 ZK7D2A2Q10R3文档编码:CE6P3J1G6R4 HS9S1V9B9D9 ZK7D2A2Q10R3文档编码:CE6P3J1G6R4 HS9S1V9B9D9 ZK7D2A2Q10R3文档编码:CE6P3J1G6R4 HS9S1V9B9D9 ZK7D2A2Q10R3文档编码:CE6P3J1G6R4 HS9S1V9B9D9 ZK7D2A2Q10R3文档编码:CE6P3J1G6R4 HS9S1V9B9D9 ZK7D2A2Q10R3文档编码:CE6P3J1G6R4 HS9S1V9B9D9 ZK7D2A2Q10R3文档编码:CE6P3J1G6R4 HS9S1V9B9D9 ZK7D2A2Q10R3文档编码:CE6P3J1G6R4 HS9S1V9B9D9 ZK7D2A2Q10R3文档编码:CE6P3J1G6R4 HS9S1V9B9D9 ZK7D2A2Q10R3文档编码:CE6P3J1G6R4 HS9S1V9B9D9 ZK7D2A2Q10R3文档编码:CE6P3J1G6R4 HS9S1V9B9D9 ZK7D2A2Q10R3文档编码:CE6P3J1G6R4 HS9S1V9B9D9 ZK7D2A2Q10R3文档编码:CE6P3J1G6R4 HS9S1V9B9D9 ZK7D2A2Q10R3文档编码:CE6P3J1G6R4 HS9S1V9B9D9 ZK7D2A2Q10R3文档编码:CE6P3J1G6R4 HS9S1V9B9D9 ZK7D2A2Q10R3文档编码:CE6P3J1G6R4 HS9S1V9B9D9 ZK7D2A2Q10R3文档编码:CE6P3J1G6R4 HS9S1V9B9D9 ZK7D2A2Q10R3文档编码:CE6P3J1G6R4 HS9S1V9B9D9 ZK7D2A2Q10R3文档编码:CE6P3J1G6R4 HS9S1V9B9D9 ZK7D2A2Q10R3文档编码:CE6P3J1G6R4 HS9S1V9B9D9 ZK7D2A2Q10R3文档编码:CE6P3J1G6R4 HS9S1V9B9D9 ZK7D2A2Q10R3文档编码:CE6P3J1G6R4 HS9S1V9B9D9 ZK7D2A2Q10R3文档编码:CE6P3J1G6R4 HS9S1V9B9D9 ZK7D2A2Q10R3文档编码:CE6P3J1G6R4 HS9S1V9B9D9 ZK7D2A2Q10R3文档编码:CE6P3J1G6R4 HS9S1V9B9D9 ZK7D2A2Q10R3文档编码:CE6P3J1G6R4 HS9S1V9B9D9 ZK7D2A2Q10R3文档编码:CE6P3J1G6R4 HS9S1V9B9D9 ZK7D2A2Q10R3文档编码:CE6P3J1G6R4 HS9S1V9B9D9 ZK7D2A2Q10R3文档编码:CE6P3J1G6R4 HS9S1V9B9D9 ZK7D2A2Q10R3文档编码:CE6P3J1G6R4 HS9S1V9B9D9 ZK7D2A2Q10R3文档编码:CE6P3J1G6R4 HS9S1V9B9D9 ZK7D2A2Q10R3文档编码:CE6P3J1G6R4 HS9S1V9B9D9 ZK7D2A2Q10R3文档编码:CE6P3J1G6R4 HS9S1V9B9D9 ZK7D2A2Q10R3

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