小升初英语类数学题汇总及答案.docx
《小升初英语类数学题汇总及答案.docx》由会员分享,可在线阅读,更多相关《小升初英语类数学题汇总及答案.docx(10页珍藏版)》请在冰豆网上搜索。
小升初英语类数学题汇总及答案
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?
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,wereinthe
classroomwhenoneofthembrokeawindow.Theteacheraskedeachofthemtomakeastatement〔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____.
10、TwoantsstartatpointAandwalkatthesamepace.Oneantwalksarounda3cmby3cmsquarewhilsttheotherwalksarounda6cmby3cm
rectangle.Whatistheminimumdistance,incentimetres,anyonemust
coverbeforetheymeetagain?
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)124
2、Thenumberofdiagonalsthatcanbedrawninaregularpolygonwith
twentysides(icosagon)is_____.
翻译:
正20边形的对角线有几条?
4、Twonumbersareintheratio2:
3.When4isaddedtoeachnumbertheratiochangesto5:
7.Thesum〔和〕ofthetwooriginalnumbersis____.
5、ThegreatestnumberofMondayswhichcanoccurin45consecutive
daysis____
翻译:
连续45天,最多有几个星期一?
6、Saulplaysavideogameinwhichhescores4forahitandlost6foramiss.After20roundshisscoreis30.Thenumberoftimeshehasmissedis____.
7、ThreegirlsA,BandCrunina100mrace.WhenAfinishes,Bis10m
behindAandwhenBfinishesCis20mbehindB.HowfarinmetreswasCfromAwhenAfinished?
(Let’sassumealltheathletesrunataconstantspeed)
8、Theareasofthefacesofarectangularbox〔长方体盒子〕are84cm2,70cm2and30cm2.Thevolumeoftheboxincm3 is____.
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:
147151159
3.Onenumberisfourtimesanothernumber.Thelargernumberisalso87morethanthesmallernumber.Findthenumbers.Choicesforthesmallernumber:
293033
4.Aclown〔小丑〕weights60lb〔磅〕morethanatrapezeartist〔空中飞人〕.Thetrapezeartistweighstwothidsasmuchastheclown.Howmuchdoeseachweigh?
choicesfortheweightofthetrapezeartist:
110120125
5.TheU.S.Senate〔参议院〕has100members,allDemocrats〔党人〕orRepublicans〔党人〕.Recentlytherewere12moreDemocratsthanRepublicans.HowmanySenatorsfromeachpoliticalpartywerethereatthattime?
ChoicesforthenumberofRepublicans:
384244
6.Theninthgradeclasshas17moregirlsthanboys.thereare431studentsinall.howmanyboysarethere?
howmanygirlsarethere?
Choicesforthenumberofboys:
191202207
7.ElenahasoneandahalftimesasmuchmoneyasRamon.Togethertheyhave225.howmuchmoneydoeseachhave?
ChoicesforRamom'samount;809095
8.Westernstatecollegeis18yearsolderthansouthernstate.westernisalso2andthehalftimesasoldassouthern.howoldiseach?
Choiceforsouthernstate'sage:
121418
【2021年二外小升初真题】
1.Whenmydadcelebratedhis31stbirthday,Iwas8yearsold.NowmydadistwicetheageofIam.What’smyagenow?
2.Abottleofjuicesellsatthepriceof1Yuan.Thejuiceisworth0.9Yuanmorethanthebottleis.Howmuchdoesanemptybottlecost?
3.Canyouaddtheoperationstotheformulatomakeitcorrect?
8__4__2__9=25
4.Pleaseputthefollowingnumbersintothecirclessothatyouget40whenyouaddallthenumbersoneachsideofthetriangle?
6,18,6,9,8,7,19,4,21
5.Mr.andMrs.Binghas7daughters,eachdaughterhasabrother.HowmanysonsdoMr.andMrs.Binghave?
6.What’sthenextnumber?
4,6,10,18,34,_____
【2021年二外小升初真题】
1.Therearesomechickensandrabbitsinacage(笼子〕.Youcansee9headsatthetopand24feetatthebottom.Howmanychickensandrabbitsarethereinthecage?
〔6分〕
2.100studentswereinamathcontest(竞赛〕.Theaverage〔平均数〕oftheirfinalscore〔分数〕is63.Theaverageoftheboy’sscoreis60.Theaverageofthegirl’sscoreis70.Howmanyofthemareboys?
Howmanyofthemaregirls?
〔8分〕
3.JackandJimarefriends.Theratio(比〕ofJack’sandJim’spocketmoneyis3:
2.IfJackgivesJim10yuan,theratiooftheirpocketmoneywillbee5:
4.SohowmuchmoneydoesJackhave?
〔8分〕
4.Mikehasalotofapples.Heneedstogetthemtotownandsellthem.Ittakes(花费〕3daystogetalltheapplestotownwith8bigtrucks.Ittakes8daystoget75%oftheapplestotownwith5smalltrucks.NowMikehas3bigtrucksand4smalltrucks,howmanydayswillittaketogetalltheapplestotown?
〔8分〕
小升初英语类数学题专项练习〔一〕参考答案
1、单位换算90×10÷〔3×60〕=5
2、 46
3、
4、 Erica
5、 抽屉原那么7
6、 注意一一对应,borg=maths,farn=good,jalez=skills.Klar=in,Nurf=harmony,darko=gold.答案是Nurfdarko.
7、 Charles
8、 2002-1991=11
9、 58
10、36
小升初英语类数学题专项练习〔二〕参考答案
1、A考察我们学过的简单的进制问题,显然8进制中没有8出现
2、170找规律,公式为n×〔n-3〕÷2
3、3就是求379减去6的平方的差的各位数。
4、16+24=40
5、7
6、5
7、28米,根据距离比求出速度比,三者的速度比为1:
9/10:
18/25
8、420cm3分解质因数
9、13种1——13都可以
小升初英语类数学题专项练习〔三〕参考答案
1.设较小数为x.x+x+57=185x=64.
2.设轿车行驶了x千米.318+x=3xx=159千米
轿车行驶了159千米,公车行驶了318+159=477千米.
3.设较小数为x.4x=x+87x=29.
4.60+x=3x/2x=120
5.LetthenumberofRepublicansbex.x+x+12=100x=44
6.设有x名男生x+x+17=431x=207名
有男生207名,女生431-207=224名.
7.设Ramom有x元.x+3x/2=225x=90元
8.设southernstatescollege有x年历史.x+18=5x/2x=12年.
【2021年二外小升初真题参考答案】
【2021年二外小升初真题参考答案】
1、6只鸡,3只兔
2、男生70人,女生30人
3、135元
4、5天