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

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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