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1/7常用数学术语的英语表达：1立方onecubic1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56isgreaterthan5.或：6ismorethan5.6小于76islessthan7.2/7平方、立方及四次方的英语表达：3的平方等于9Thesquareof3is9.3的立方等于27Thecubeof3is27.3的四次方等于81Thefourthpowerof3is/equals81.平方根立方根的英语表达：9的平方根为3Thesquarerootof9is3.27的立方根为3Thecuberootof27is3.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CDLineABisparalleltoLineCD直线AB垂直于直线CDLineABisperpendiculartoLineCD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equilateraltriangle3/71、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--------------row44/7Theanswersaregivenintheorderofrow;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]5/7（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?6/75、Ofthe28T?shirtsinadrawer,sixarered,fiveareblue,andtherestarewhite.IfBobselectsT?shirtsatrandomwhilstpackingforaholiday,whatistheleastnumberhemustremovefromthedrawertobesurethathehasthreeT?shirtsofthesamecolour?6、Inanalienlanguage,jalezborgfarnmeans“goodmathsskills”.Nurfklarborgmeans“mathsinharmony”anddarkoklarfarnmeans“goodingold”.