小升初英語奧數(shù)題

常用數(shù)學術(shù)語的英語表達：1立方

onecubic 1平方米

onesquaremetre幾何

geometry 點

point線

line 面

plane直線

astraight 曲線

curvedline近似值

anapproximatevalue垂直線

avertical 水平線

ahorizontalline三角形的底

thebaseofatriangle三角形的兩個腰

thetwosidesofatriangle直角

arigtangle 銳角

anacuteangl 鈍角

anobtuseangle 長方形

arectangle 正方形

asquare 多邊形

apolygon 圓心

thecentreofacircle 圓的直徑

thediameterofacircle圓的半徑

theradiusofacircle 半圓

asemicircle弧

anarc 圓柱體

acylinder 球體

aspheroid

常用加減乘除的英語表達：四加五等于九

Ifyouadd4to5,youget9.

或：Ifyouadd4and5,youget9.五與四的和是九

4and5are/make9.

或：Thesumof5and4is9.

或：Fourplusfiveequalsnine.五減二等于三

Ifyoutake2from5,youget3.

或：5minus2equals3.五與二之差為三Thedifferencebetween5and2is3.二乘三等于六

2times3is/equals6.

或：3multipliedby2equals6.二與三的積為六

Theproudctof2and3is6.六除以二等于三

Ifyoudivide6by2,theansweris3.

或：Ifyoudivide2into6,theansweris3.

或：6dividedby2equals3.

比較兩個數(shù)字大小的英語表達：6大于5

6isgreaterthan5.

或：6ismorethan5.6小于7

6islessthan7.

平方、立方及四次方的英語表達：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.

平方根立方根的英語表達：

9的平方根為3

Thesquarerootof9is3.27的立方根為3

Thecuberootof27is3.

正比反比的英語表達：A與B成正比

AisindirectproportiontoB.A與B成反比

AisininverseproportiontoB.

兩直線平行或垂直的英語表達：直線AB平行于直線CD

LineABisparalleltoLineCD直線AB垂直于直線CD

LineABisperpendiculartoLineCD加plus減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內(nèi)角interiorangle銳角acuteangle鈍角obtuseangle周角acompleterevolution直角rightangle圓周circumference圓心center半徑radius直徑diameter弧arc弧度degreeofanarc比ratio三點一threepointone面積area體積volume長度length分數(shù)fraction小數(shù)decimals表格table圖表graph素數(shù)primenumber負數(shù)negative自然數(shù)naturalnumber代數(shù)algebra方程/等式equation等腰三角形isoscelestriangle等邊三角形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,10?3=1,152?7=3,andthen379?6isequalto_____.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)thenthevalueof2?(3?5)is____.9、Ifa?b=(2×a)1