【人教版】三年级上册数学第六单元达标检测试卷 含答案.doc

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1、第六单元测试卷一、选择题1.3□×3的积是两位数，□里能填(   )。A. 3                                              B. 4                                              C. 52.要使126×的积是三位数，里最大应该填（   ）。A. 8                                              B. 6                                              C. 73.最大的一位数与最小的三位数的乘积是（   

2、 ）。A. 999                                          B. 900                                          C. 1004.213的3倍是（     ）。A. 339                                      B. 639                                      C. 693                                      D. 3195.102乘2等于(    )A. 240            

3、                              B. 204                                          C. 2006.4和120相乘，积是（   ）A. 480                                       B. 408                                       C. 不能确定7.201×3和102×4相比较（   ）A. 前者大                                      B. 后者大                        

4、              C. 一样大8.估算48×6时，一般把48看成(   )。A. 40                                            B. 45                                            C. 509.520×8的积是（     ）位数。A. 4                                              B. 5                                              C. 610.0×81=（     ）A. 0    

5、                                       B. 1                                           C. 2                                           D. 311.3×999的积与3000相比，(  )。A. 多7                                           B. 少7                                           C. 少3二、判断题12.因数中间有0，积的中间一定也有0．（  ）13.

6、309里面有13个3。（  ）14.0乘以任何一个两位数的积都是两位数。（  ）15.两位数乘一位数的积一定比三位数乘一位数的积小。（  ）16.780×5的积是四位数。（  ）三、填空题17.6个10是________；7个100是________。18.800×5的积的末尾有________个0。19.□□6×9，要使积是三位数，百位上只能填________，十位上只能填________．20.12的3倍是________，5个11是________。21.42+42+42+42=________×________=________22.大货车每小时行87千米，4小时大约行_

7、_______米。23.5个18的和是________；35乘2的积是________。24.一辆卡车一次可以运走58袋水泥，估一估，这辆卡车9次大约能运走________袋水泥．25.280×5的积是________位数，积的末尾有________个0．26.用2、3、4、5四个数字组成三位数乘一位数的算式，要使乘积最大算式是________，乘积最小算式是________．四、计算题27.口算：13×2=      31×3=     11×9=    41×2=    24