【精品】五年级下册数学第一单元测试卷_沪教版（含答案）.docx

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1、五年级下册数学第一单元测试卷一、单选题1.解方程．x＋x＝6x＝（  ）A.7B.C.30D.502.a×100=b÷0.01，则a（　　）b（a、b都是不等于0的数）A. ＜                                             B. ＞                                             C. =3.方程“1.2＋x－2.5=0.9”的解是（  ）A. x=21.5                                 B. x=2.2                   

2、              C. x=0.3                                 D. x=1.74.一个数减去4.4与5的积，差是16，这个数是(用方程解)（  ）A. 41                                        B. 38                                        C. 1.8                                        D. 0.75.35.7除以0.7的商，加上12.5与4.8的积，和是（  ）A.  111  

3、                                 B. 110                                   C. 304.8                                   D. 30.486.解方程6x＋1.5x=9x=（  ）A. 7.5                                       B. 1.4                                       C. 1.2                                       D

4、. 0.67.6.5减3.5的差，除以0.2.商是（  ）A. 29                                         B. 11                                         C. 13                                         D. 158.“0.5○0.8”,比较大小，在○里应填的符号是（  ）A. ＞                                          B. ＜                             

5、             C. =                                          D. ÷9.方程0.8＋4x=3.2的解，是（  ）A. x=5                                        B. x=0.4                                        C. x=0.610.4x＋25＝125的解为（     ）A. x＝25                                 B. x＝50                         

6、        C. x＝10                                 D. x＝50二、判断题11.小数都小于整数．（判断对错）12.判断对错．大于0而小于1的两个因数，它们的积比每个因数都小．13.判断对错比2小的自然数只有1．14.判断对错.   0、1、2、3、4是五个连续自然数．15.位数多的小数比位数少的小数大。三、填空题16.在○里填运算符号，在□里填数⑴x＋46=57  ⑵x÷18=90x＋46－46=57○□x÷18×18=90○□17.解方程x＋65=150x=________18.计算，能简算的要简算．29－(

7、1.4－1.4×0.5)=________19.计算．71.4÷3.5÷0.16=________20.计算．30.8÷[4×(7.34－5.59)]=________21.直接写出方程的解．x－0.6=1x=________22.解方程．12x＋56－4x=112x=________23.算一算，比一比．8.1÷4.5÷0.2=________8.1÷(4.5×0.2)=________24.0.9288÷[(7.5-6.9)×0.6]＝________25.填上“＞”“＜”或“=”．20元________2.30元5.06元________6.00元1

8、.23米________2.31米26.计算6.3×[(0.9＋1