小升初英语奥数题

常用数学术语的英语表达：1立方

onecubic 1平方米

onesquaremetre几何

geometry 点

point线

line 面

plane直线

astraight 曲线

curvedline近似值

anapproximatevalue垂直线

avertical 水平线

ahorizontalline三角形的底

thebaseofatriangle三角形的两个腰

thetwosidesofatriangle直角

arigtangle 锐角

anacuteangl 钝角

anobtuseangle 长方形

arectangle 正方形

asquare 多边形

apolygon 圆心

thecentreofacircle 圆的直径

thediameterofacircle圆的半径

theradiusofacircle 半圆

asemicircle弧

anarc 圆柱体

acylinder 球体

aspheroid

常用加减乘除的英语表达：四加五等于九

Ifyouadd4to5,youget9.

或：Ifyouadd4and5,youget9.五与四的和是九

4and5are/make9.

或：Thesumof5and4is9.

或：Fourplusfiveequalsnine.五减二等于三

Ifyoutake2from5,youget3.

或：5minus2equals3.五与二之差为三Thedifferencebetween5and2is3.二乘三等于六

2times3is/equals6.

或：3multipliedby2equals6.二与三的积为六

Theproudctof2and3is6.六除以二等于三

Ifyoudivide6by2,theansweris3.

或：Ifyoudivide2into6,theansweris3.

或：6dividedby2equals3.

比较两个数字大小的英语表达：6大于5

6isgreaterthan5.

或：6ismorethan5.6小于7

6islessthan7.

平方、立方及四次方的英语表达：3的平方等于9

Thesquareof3is9.3的立方等于27

Thecubeof3is27.3的四次方等于81

Thefourthpowerof3is/equals81.

平方根立方根的英语表达：

9的平方根为3

Thesquarerootof9is3.27的立方根为3

Thecuberootof27is3.

正比反比的英语表达：A与B成正比

AisindirectproportiontoB.A与B成反比

AisininverseproportiontoB.

两直线平行或垂直的英语表达：直线AB平行于直线CD

LineABisparalleltoLineCD直线AB垂直于直线CD

LineABisperpendiculartoLineCD加plus减minus乘multiply除divide分母denominator分子numerator平方square平方根squareroot二分之一onehalf二分之三twothirds三分之四threefourth内角interiorangle锐角acuteangle钝角obtuseangle周角acompleterevolution直角rightangle圆周circumference圆心center半径radius直径diameter弧arc弧度degreeofanarc比ratio三点一threepointone面积area体积volume长度length分数fraction小数decimals表格table图表graph素数primenumber负数negative自然数naturalnumber代数algebra方程/等式equation等腰三角形isoscelestriangle等边三角形equilateraltriangle

1、In2004,16JunefallsonaWednesday.Onwhatdayoftheweekwill16Junefallin2010?2、Inamagicsquarethesumofthenumbersineachrow,ineachdiagonalandineachcolumnareequal.Inthismagicsquarethevalueofxis:3、Ifhalfofanumberis30,thenthree-quartersofthatnumberis____.4、Thesumofthedigitsofthefollowingproduct999×5555、Threepositiveintegershaveasumof28.Thegreatestpossibleproductthattheseintegerscanhaveis_____.6、Jackwastryingtotessellateregularpentagons.Hemanagedthefollowingfigure.Thesizeofangle.a.is______.7、Iftheareaoftheshadedregionoftheregularhexagoninthediagrambelowis36cm2,theareaofthewholehexagonincm2is_____.8、Inwhatfollows,□andΔaredifferentnumbers.When503isdividedby□theremainderis20.When503isdividedbyΔtheremainderis20.When493isdividedby□xΔtheremainderis_____.9、Alady,herbrother,hersonandherdaughter(allrelatedbybirth)playedvolleyball.Theworstplayer'stwin(whoisoneofthefourplayers)andthebestplayerareofopposite***.Theworstplayerandthebestplayerareofthesameage.Whocannotbetheworstplayer(s)?A)brotheronlyB)daughteronlyC)sonanddaughteronlyD)ladyanddaughteronlyE)ladyonly10、Ifyoucontinuethegivennumberpattern,inwhatrowandinwhatpositioninthatrowwillthenumber320be?1--------------row123--------------row2456--------------row378910--------------row4Theanswersaregivenintheorderofrow;position.（二）1、Didyouknow?Inthedecimalnumbersystem(base10)tendifferentdigits,0to9areusedtowriteallthenumbers.Inthebinarynumbersystem(base2)twodifferentdigitsareused,i.e.0and1.Whichoneofthefollowingnumbersisnotavalidnumberintheoctalnumbersystem(base8)?A)128B)127C)126D)125E)1242、Thenumberofdiagonalsthatcanbedrawninaregularpolygonwithtwentysides(icosagon)is_____.3、Ifaandbareintegers,10Ä3=1,152Ä7=3,andthen379Ä6isequalto_____.4、Twonumbersareintheratio2:3.When4isaddedtoeachnumbertheratiochangesto5:7.Thesumofthetwooriginalnumbersis____.5、ThegreatestnumberofMondayswhichcanoccurin45consecutivedaysis____6、Saulplaysavideogameinwhichhescores4forahitandlost6foramiss.After20roundshisscoreis30.Thenumberoftimeshehasmissedis____.7、ThreegirlsA,BandCrunina100mrace.WhenAfinishes,Bis10mbehindAandwhenBfinishesCis20mbehindB.HowfarinmetreswasCfromAwhenAfinished?(Let’sassumealltheathletesrunataconstantspeed)8、Theareasofthefacesofarectangulaboxare84cm2,70cm2and30cm2.Thevolumeoftheboxincm3is____.9、Youhave3weights:1kg,3kgand9kgaswellasanequalarmbalance,asshown.Howmanydifferentweightobjectscanyouweighwiththesethree?[Remembertheweightsmaybeplacedoneitherside]

（三）1、Anantcoversadistanceof90metresin3hours.Theaveragespeedoftheantindecimetresperminuteis____.2、3、Inacertaintownsomepeoplewereaffectedbya’flu’epidemic.Inthefirstmonth20%ofthepopulationcontractedthefluwhilst80%werehealthy.Inthefollowingmonth20%ofthesickpeoplerecoveredand20%ofthehealthypeoplecontractedthedisease.Whatfractionofthepopulationishealthyattheendofthesecondmonth?4、Mpho,Barry,Sipho,EricaandFatimaaresittingonaparkbench.Mphoisnotsittingonthefarright.Barryisnotsittingonthefarleft.Siphoisnotsittingateitherend.EricaissittingtotherightofBarry,butnotnecessarilynexttohim.FatimaisnotsittingnexttoSipho.SiphoisnotsittingnexttoBarry.Whoissittingatthefarright?5、Ofthe28T?shirtsinadrawer,sixarered,fiveareblue,andtherestarewhite.IfBobselectsT?shirtsatrandomwhilstpackingforaholiday,whatistheleastnumberhemustremovefromthedrawertobesurethathehasthreeT?shirtsofthesamecolour?6、Inanalienlanguage,jalezborgfarnmeans“goodmathsskills”.Nurfklarborgmeans“mathsinharmony”anddarkoklarfarnmeans“goodingold”.Whatis“harmonygold”inthislanguage?7、Fivechildren,Amelia,Bongani,Charles,DevineandEdwina,wereintheclassroomwhenoneofthembrokeawindow.Theteacheraskedeachofthemtomakeastatementabouttheevent,knowingthatthreeofthemalwayslieandtwoalwaystellthetruth.Theirstatementswereasfollows:Amelia:“Charlesdidnotbreakit,nordidDevine.”Bongani:“Ididn’tbreakit,nordidDevine.”Charles:“Ididn’tbreakit,butEdwinadid.”Devine:“AmeliaorEdwinabrokeit.”Edwina:“Charlesbrokeit.”Whobrokethewindow?8、Didyouknow?Apalindromeisanumberwhichreadsthesameforwardsasbackwardse.g.35453.Nextyear2002isanexampleofapalindromicnumber.Whatisthedifferencebetween2002andthenumberofthepreviouspalindromicyear?(3×b)thenthevalueof2Å(3Å5)is____.9、IfaÅb=(2×a)1