小学三年级下册人教版数学期中测试题及答案

......alleviationcrucialfurtherdevelopmenttoacceleratetheprocessofwell-offsocietyhascreatedagreatopportunity.18sincetheCentralandprovincialpovertyalleviationanddevelopmentintotheoverallstrategicplanning,priorityandfirstproject,formulatedaseriesofpoliciesnowfocus,developmentmeasureshaveallbeenclear.Wewanttoseizetheopportunity,precisionapplicationstrategy,focuspunch,breaksupport...,Supportsthedevelopmentofoldrevolutionaryandaseriesofpolicymeasuresinareassuchasinfrastructure,publicservices,promotinghighstandards,support,andmoreopportunitiesforustoacceleratedevelopment,providegreatersupport.Fromprovincespolicyorientedsee,1236povertystorming,and6873trafficbreakthrough,and6363waterguarantees,majoractionspeedupimplementation,ecologicalsecuritybarrier,andlongEastenergychemicalbaseconstruction,majorstrategyintensiveintroduced,andprovincialeightachange,andeightabothandmunicipalsixainto,andsixbigsupportofdecisiondeployment,三年级数学下册人教版期中模拟试卷一、直接写出下面各题的得数（5分）420150750250729991007023万32万36018270030030566015789万79万二、填空题（20分）1.我们学过的数级有（）级，（）级和（）级，每一级都有（）个数位。2.读作（）六千零三万写作（）3.用三个0、二个1、一个9写出数最大的六位数是（），最小的六位数是（）。4.在（）里填上合适的数字，使它最接近686万。686（）450≈686万685（）900≈686万5.80分=（）小时（）分钟6.2009年的2月份有（）天，全年有（）天。7.被除数=除数×（）一个因数=（）÷（）8.根据450÷15=30列出一道乘法算式和一道除法算式。（）（）9.写成用“万”作单位的数是（）三、判断题（10分）1.每年的七月、八月一共有62天。（）2.六百零五十万零八十写作：（）3.一天是12小时（）4.最大的七位数加1是（）5.在除法里，0作除数无意义。（）四、选择题（10分）1.读这个数，要读（）A.2个零B.3个零C.4个零2.12581258（）A.64B.1C.0D.163.1年半=（）个月A.15B.17C.184.省略万后面的尾数，≈（）A.21万B.22万C.217万D.20万5.1999年的一、二、三月共有（）天。A.91B.90......alleviationcrucialfurtherdevelopmenttoacceleratetheprocessofwell-offsocietyhascreatedagreatopportunity.18sincetheCentralandprovincialpovertyalleviationanddevelopmentintotheoverallstrategicplanning,priorityandfirstproject,formulatedaseriesofpoliciesnowfocus,developmentmeasureshaveallbeenclear.Wewanttoseizetheopportunity,precisionapplicationstrategy,focuspunch,breaksupport...,Supportsthedevelopmentofoldrevolutionaryandaseriesofpolicymeasuresinareassuchasinfrastructure,publicservices,promotinghighstandards,support,andmoreopportunitiesforustoacceleratedevelopment,providegreatersupport.Fromprovincespolicyorientedsee,1236povertystorming,and6873trafficbreakthrough,and6363waterguarantees,majoractionspeedupimplementation,ecologicalsecuritybarrier,andlongEastenergychemicalbaseconstruction,majorstrategyintensiveintroduced,andprovincialeightachange,andeightabothandmunicipalsixainto,andsixbigsupportofdecisiondeployment,五、计算题（共22分）1.用简便方法计算（12分）1253264058653989441022.脱式计算（10分）(3536045)200399751740145六、列式计算（9分）6.720与180的和，除以18与5的积，商是多少？7.672是哪个数的84倍？8.一个数乘以18，积是1152，这个数是多少？七、应用题（1—3各6分，4题6分共24分）6.一个工程队修一条公路，6天修了960米，照这样计算修完3840米需要多少天？2......alleviationcrucialfurtherdevelopmenttoacceleratetheprocessofwell-offsocietyhascreatedagreatopportunity.18sincetheCentralandprovincialpovertyalleviationanddevelopmentintotheoverallstrategicplanning,priorityandfirstproject,formulatedaseriesofpoliciesnowfocus,developmentmeasureshaveallbeenclear.Wewanttoseizetheopportunity,precisionapplicationstrategy,focuspunch,breaksupport...,Supportsthedevelopmentofoldrevolutionaryandaseriesofpolicymeasuresinareassuchasinfrastructure,publicservices,promotinghighstandards,support,andmoreopportunitiesforustoacceleratedevelopment,providegreatersupport.Fromprovincespolicyorientedsee,1236povertystorming,and6873trafficbreakthrough,and6363waterguarantees,majoractionspeedupimplementation,ecoolgicalsecuritybarrier,andlongEastenergychemicalbaseconstruction,majorstrategyintensiveintroduced,andprovincialeightachange,andeightabothandmunicipalsixainto,andsixbigsupportofdecisiondeployment,2.学校图书室里有2800本故事书，平均借给10个班后，还剩400本，平均每班借了多少本故事书？3.商店运来2400千克的白菜，卖了一些后，还剩250千克，卖了多少千克白菜？4.王小兰和李小鹏两个爱集邮，王小兰集邮票86张，李小鹏集邮票的张数是王小兰集邮票张数的3倍少34张，两人一共集邮多少张？*爷爷的年龄是爸爸的2倍，爸爸的年龄是儿子的7倍，已知爷爷的年龄是70岁，儿子的年龄是几岁？3......alleviationcrucialfurtherdevelopmenttoacceleratetheprocessofwell-offsocietyhascreatedagreatopportunity.18sincetheCentralandprovincialpovertyalleviationanddevelopmentintotheoverallstrategicplanning,priorityandfirstproject,formulatedaseriesofpoliciesnowfocus,developmentmeasureshaveallbeenclear.Wewanttoseizetheopportunity,precisionapplicationstrategy,focuspunch,breaksupport...,Supportsthedevelopmentofoldrevolutionaryandaseriesofpolicymeasuresinareassuchasinfrastructure,publicservices,promotinghighstandards,support,andmoreopportunitiesforustoacceleratedevelopment,providegreatersupport.Fromprovincespolicyorientedsee,1236povertystorming,and6873trafficbreakthrough,and6363waterguarantees,majoractionspeedupimplementation,ecologicalsecuritybarrier,andlongEastenergychemicalbaseconstruction,majorstrategyintensiveintroduced,andprovincialeightachange,andeightabothandmunicipalsixainto,andsixbigsupportofdecisiondeployment,【试题答案】一、直接写出下面各题的得数（5分）420150=570750250=5007299=171910070=13023万32万=55万36018=202700300=93056=18306015=900789万79万=710万二、填空题（20分）1.我们学过的数级有（个）级，（万）级和（亿）级，每一级都有（四）个数位。2.读作（二百八十四万）六千零三万写作（）3.用三个0、二个1、一个9写出数最大的六位数是（），最小的六位数是（）。4.在（）里填上合适的数字，使它最接近686万。686（1）450≈686万685（6）900≈686万5.80分=（1）小时（20）分钟6.2008年的2月份有（29）天，全