IGCSE 数学考试注意要点

《IGCSE 数学考试注意要点》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。

1、GCSEMATHEMATICSHOWTOIMPROVEYOURGRADETHEEASYWAYEQUIPMENT:Moststudentsbringallthecorrectequipment(Pens,Pencils,Ruler,Anglemeasurer/protractor,Calculator)Howeverthereisalotofevidencewhichshowstheysimplydon’tuseit!DIAGRAMS:AlmostalldiagramsareNOTdrawntoscale.Manystudentsignorethisfact.The

2、ysimplymeasureanglesandlineswithoutcalculatingthemandconsequentlygetnomarks.READTHEQUESTION:ItisrecommendedthatyoureadthequestionTWICE.Thereisplentyoftime.YoucanunderlinetheimportantpartsofaquestionifyouwishtoCALCULATORSMakesureyoucanreadadisplaythatisinStandardForm.Nocreditisgivenfor

3、writinganansweras1.6306.MakesureyourcalculatorissetintheDEGmodeFAMILIARISEYOURSELFWITHYOUROWNCALCULATORBRINGITTOSCHOOLEVERYDAYDON’TRELYONTHESCHOOLSCALCULATORWHICHMAYHAVEADIFFERENTLOGICSYSTEMTOYOURS.METHODS:WorkingoutMUSTbeshown.Therearealotofmethodmarksavailableanditisrecommendedthata

4、llrelevantstagesofworkingareshown.IncorrectanswerandnoworkinggainsnomarksIfcorrectworkingisshownandacarelesserrorresultsinanincorrectansweryoucouldgain4outof5marksavailableMATHSSPECIFICERRORSPROBABILITYAverylargenumberofanswersarestillgivenas1in2or5outof1O.Theseareincorrect.Answerssho

5、uldbedecimals,fractionsorpercentages.Asageneralruleifthequestionusesfractionsthengiveyouranswerasafraction.Reminder:Aprobabilityanswercannotbegreaterthan1!UNITSYouwillhavetogiveyourownunitsforatleastonequestion.Unitsoflength,volumeandareaarefrequentlymixedupbystudents.Learnthem.Learnc

6、ommonMetrictoImperialconversions.eg1kg=2.2lbs,1mile=1.6Km.1Gallon=4.55Litresetc.Reminder:Thereare52weeksinayear.(Manystudentsuse50)UNITSEvenifnotaskedtoalwayswritedownunitsattheendofaquestionIfaquestioncontainsmmandcmitIsagoodideatoconvertalltothesameACCURACYDonotroundanswersoffuntilt

7、heverylastlineofworking.Usethecalculatormemoryfunctionandnotationsuchas16.534…..Thisisespeciallyimportantintrigonometryquestions.(Thereisasignificantdifferencebetween23x1.66and23x1.66666666)Ifyouareaskedtomeasurealineanditmeasures9.1cmuse9.1cm.Donotassumethatthelineissupposedtobe9cmlo

8、ng.TR