第一页共11页小升初英语类数学题专项练习(一)1、Anant(蚂蚁)coversadistanceof90metresin3hours.Theaveragespeedoftheantindecimetres(分米)perminuteis____.2、3、Inacertaintownsomepeoplewereaffectedbya’flu’epidemic(流感).Inthefirstmonth20%ofthepopulationcontractedthefluwhilst80%werehealthy.Inthefollowingmonth20%ofthesickpeoplerecoveredand20%ofthehealthypeoplecontractedthedisease.Whatfraction(分数)ofthepopulationishealthyattheendofthesecondmonth?4、Mpho,Barry,Sipho,EricaandFatimaaresittingonaparkbench(公园长椅).Mphoisnotsittingonthefarright.Barryisnotsittingonthefarleft.Siphoisnotsittingateitherend(两头).EricaissittingtotherightofBarry,butnotnecessarilynexttohim.FatimaisnotsittingnexttoSipho.SiphoisnotsittingnexttoBarry.Whoissittingatthefarright?第二页共11页5、Ofthe28T–shirtsinadrawer(抽屉),sixarered,fiveareblue,andtherestarewhite.IfBobselectsT–shirtsatrandomwhilstpackingforaholiday,whatistheleastnumberhemustremovefromthedrawertobesurethathehasthreeT–shirtsofthesamecolour?6、Inanalienlanguage(外语),jalezborgfarnmeans“goodmathsskills”.Nurfklarborgmeans“mathsinharmony”anddarkoklarfarnmeans“goodingold”.Whatis“harmonygold”inthislanguage?7、Fivechildren,Amelia,Bongani,Charles,DevineandEdwina,wereintheclassroomwhenoneofthembrokeawindow.Theteacheraskedeachofthemtomakeastatement(陈述)abouttheevent,knowingthatthreeofthemalwayslieandtwoalwaystellthetruth.Theirstatementswereasfollows:Amelia:“Charlesdidnotbreakit,nordidDevine.”Bongani:“Ididn’tbreakit,nordidDevine.”Charles:“Ididn’tbreakit,butEdwinadid.”Devine:“AmeliaorEdwinabrokeit.”Edwina:“Charlesbrokeit.”Whobrokethewindow?8、Didyouknow?Apalindrome(回文数)isanumberwhichreadsthesameforwardsasbackwardse.g.35453.Theyear2002isanexampleofapalindromicnumber.Whatisthedifferencebetween2002andthenumberofthepreviouspalindromicyear?9、IfaÅb=a+3×bthenthevalueof2+2Å(3Å5)is____.第三页共11页10、TwoantsstartatpointAandwalkatthesamepace.Oneantwalksarounda3cmby3cmsquarewhilsttheotherwalksarounda6cmby3cmrectangle.Whatistheminimumdistance,incentimetres,anyonemustcoverbeforetheymeetagain?小升初英语类数学题专项练习(二)1、Didyouknow?Inthedecimalnumbersystem(base10)tendifferentdigits,0to9,areusedtowriteallthenumbers.Inthebinarynumbersystem(base2)twodifferentdigitsareused,i.e.0and1.Whichoneofthefollowingnumbersisnotavalidnumberintheoctalnumbersystem(base8)?A)128B)127C)126D)125E)1242、Thenumberofdiagonalsthatcanbedrawninaregularpolygonwithtwentysides(icosagon)is_____.翻译:正20边形的对角线有几条?第四页共11页4、Twonumbersareintheratio2:3.When4isaddedtoeachnumbertheratiochangesto5:7.Thesum(和)ofthetwooriginalnumbersis____.5、ThegreatestnumberofMondayswhichcanoccurin45consecutivedaysis____翻译:连续45天内,最多有几个星期一?6、Saulplaysavideogameinwhichhescores4forahitandlost6foramiss.After20roundshisscoreis30.Thenumberoftimeshehasmissedis____.7、ThreegirlsA,BandCrunina100mrace.WhenAfinishes,Bis10mbehindAandwhenBfinishesCis20mbehindB.HowfarinmetreswasCfromAwhenAfinished?(Let’sassumealltheathletesrunataconstantspeed)8、Theareasofthefacesofarectangularbox(长方体盒子)are84cm2,70cm2and30cm2.Thevolumeoftheboxincm3is____.第五页共11页9、Youhave3weights(砝码):1kg,3kgand9kgaswellasanequalarmbalance(天平).Howmanydifferentweightobjectscanyouweighwiththesethree?[Remembertheweightsmaybeplacedoneitherside]小升初英语类数学题专项练习(三)1.Twonumbersdifferby57.Theirsumis185.Findthenumbers.Choicesforthesmallernumber:546474.2.Abuswent318kmfartherthanacar.Thecarwentonethirdasfarasthebus.Howfardideachvehicle(车辆)travel?Choicesforthesmallernumber:1471511593.Onenumberisfourtimesanothernumber.Thelargernumberisalso87morethanthesmallernumber.Findthenumbers.Choicesforthesmallernumber:2930334.Aclown(小丑)weights60lb(磅)morethanatrapezeartist(空中飞人).Thetrapezeartistweighstwothidsasmuchastheclown.Howmuchdoeseachweigh?choicesfortheweightofthetrapezeartist:110120125第六页共11页5.TheU.S.Senate(参议院)has100members,allDemocrats(民主党人)orRepublicans(共和党人).Recentlytherewere12moreDemocratsthanRepublicans.HowmanySenatorsfromeachpoliticalpartywerethereatthattime?ChoicesforthenumberofRepublicans:3842446.Theninthgradeclasshas17moregirlsthanboys.thereare431studentsinall.howmanyboysarethere?howmanygirlsarethere?Choicesforthenumberofboys:1912022077.ElenahasoneandahalftimesasmuchmoneyasRamon.Togethertheyhave225.howmuchmoneydoeseachhave?ChoicesforRamom'samount;8090958.Westernstatecollegeis18yearsolderthansouthernstate.westernisalso2andthehalftimesasoldassouthern.howoldiseach?Choiceforsouthernstate'sage:121418第七页共11页【2015年洛阳二外小升初真题】1.Whenmydadcelebratedhis31stbirthday,Iwas8yearsold.NowmydadistwicetheageofIam.What’smyagenow?2.Abottleofjuicesellsatthepriceof1Yuan.Thejuiceisworth0.9Yuanmorethanthebottleis.Howmuchdoesanemptybottlecost?3.Canyouaddtheoperationstotheformulatomakeitcorrect?8__4__2__9=254.Pleaseputthefollowingnumbersintothecirclessothatyouget40whenyouaddallthenumbersoneachsideofthetriangle?6,18,6,9,8,7,19,4,215.Mr.andMrs.Binghas7daughters,eachdaughterhasabrother.HowmanysonsdoMr.andMrs.Binghave?6.What’sthenextnumber?4,6,10,18,34,_____【2013年洛阳二外小升初真题】1.Therearesomechickensandrabbitsinacage(笼子).Youcansee9headsatthetop第八页共11页and24feetatthebottom.Howmanychickensandrabbitsarethereinthecage?(6分)2.100studentswere