英文数字教学课件

EnglishDigitalTeachingCoursewareBasicconceptsandexpressionsofnumbersEnglishNumericPronunciationandRulesEnglishnumbersinpracticalapplicationscenarios目录ExplorationofEnglishDigitalTeachingMethodsRecommendationofEnglishDigitalTeachingResources目录01BasicconceptsandexpressionsofnumbersNaturalnumbersCountingnumbersstartingfrom1,usedforcountingobjectsIncludenegativenumbers,zero,andpositivenumbersUsedtorepresentquantitiesthatcanbeeitherpositiveornegativeNumbersthatcanbeexpressedasafractionoftwointegers,usedtorepresentfractionsandratiosNumbersthatcannotbeexpressedasafractionoftwointegers,suchaspi(π)andthesquarerootof2Includeallrationalandirrationalnumbers,representingallpossiblevaluesonanumberlineIntegersIrishnumbersRealnumbersRationalnumbersDefinitionandclassificationofnumbersArabicnumbersThemostcommonlyusednumbersystemtoday,using0-9toreportvaluesItisapositionalnumbersystem,meaningthatthevalueofadigitdependsonitspositioninthenumberRomannumbersAnoldernumbersystemoriginatinginacuteRome,usingletterstorepresentvaluesCommonlyusedfornumberingchapters,volumes,andinsomeformalcontextsArabicnumbersandRomannumbersSectionsAwaytoreportapartofawholeConsistsofanumeratorandadenominator,writtenasa/bThenumeratorreportsthenumberofpartsbeingtaken,whilethedenominatorreportsthetotalnumberofpartsinthewholeDecimalsAwaytoreportfractionsusingadecimalpointForexample,0.5reportshalf,or1/2Decimalsarebasedonthepositionalvaluesystem,witheachdigitafterthedecimalpointrepresentingasmallfractionofthewholePercentagesAwaytoexpressapromotionasapartof100Writtenwiththe"%"symbolForexample,50%reportshalf,or0.5indecimalform.PercentagesareusefulforcomparingproposalsandforcalculatingdiscountsorincrementsFractions,decimals,andpercentagesAdditionDivisionEqualssignInequalitysymbolsMultiplicationSubtractionTheoperationofcombiningtwoormorenumberstogettheirsumRepresentedbythe"+"symbolTheoperationoftakingonenumberfromanothertofindthedifferenceRepresentedbythe"-"symbolTheoperationoffindingtheproductoftwoormorenumbersRepresentedbythe“×Symbolorimpliedbyjuxtaposition(e.g.,ab)TheoperationofsplittinganumberintoequalpartsorgroupsRepresentedbythe"÷"symbolorafractionbar(e.g.,a/b)RepresentativesequalitybetweentwoexpressionsorvaluesWrittenas=UsedtocomparetwovaluesthatarenotequalCommonsymbolsinclude<(lessthan),>(greaterthan),≤(lessthanorequalto),and≥(greaterthanorequalto)Commonmathematicalsymbolsandterminology02EnglishNumericPronunciationandRulesCardinalnumbersrefertothequantityofsomething,suchas"one,""two,"or"three."Ordinalnumbersindicatethepositionorrankofsomethinginasequence,suchas"first,""second,"or"third."ToconvertaCardinalnumbertoanordinalnumber,generallyadd"-th"totheendofthenumber(e.g.,4benefits4th)However,therearesomeexceptionsConversionofCardinalandOrdinalNumbersFirst,second,andthirdhavespecialformsNumbersendinginonechangethe"one"to"element"(e.g.,21benefits21st)Numbersendingintwochangesthe"two"to"two"(e.g.,32benefits32nd)Numbersendinginthreechangethe"three"to"third"(e.g.,43benefits43rd)01020304ConversionofCardinalandOrdinalNumbersFractionsarereadas"numeratoroverdenominator"(e.g.,3/4isreadas"threequarters")Decimalsarereadbystatingthenumberbeforethedecimalpoint,then"point,"followedbythenumbersafterthedecimalpoint(e.g.,2.5isreadas"twopointfive")Percentagesarereadas"percent"afterthenumber(e.g.,50%isreadas"fifthpercent")Readingfractions,decimals,andpercentagesYearsaretypicallyreadastwoseparatenumbers:thefirsttwodigitsfollowedby"two-"or"third-,"etc.,andthenthelasttwodigits(e.g.,2023isreadas"twotwotwothree")Datesarereadasthedayofthemonth,followedbythenameofthemonthandtheyear(e.g.,January1st,2023isreadas"Januaryfirst,twentytwothree")单击此处添加正文，文字是您思想的提炼，为了最终呈现发布的良好效果，请尽量言简意赅的阐述观点；单击此处添加正文，文字是您思想的提炼，为了最终呈现发布的良好效果，请尽量言简意赅的阐述观点；单击此处添加正文，文字是您思想的提炼，为了最终呈现发布的良好效果，请尽量言简意赅的阐述观点；单击此处添加正文10*16Expressionofyear,date,andtimeCurrencyamountsaretypicallyreadasthenumberfollowedbythecurrentunit(e.g.,$10isreadas"tendollars")Discountsorsalespricesmaybeindicatedbyusingtermssuchas"onsale,""discounted,"or"reduced"followedbythenewprice(e.g.,"Originally$10,nowonsalefor$7.99")Pricesaremanuallyreadasthecurrentunitfollowedbythenumber(e.g.,$5.99isreadas"fivedollarsnineninecents")Ifthepriceincludestax,itmaybestatedseparately(e.g.,"$5.99plustax")Currencyamountandpricerepresentation03EnglishnumbersinpracticalapplicationscenariosUnderstandingpricetagsRecognizingandunderstandingpricetagsinEnglish,includingcurrencysymbols,decimalpoints,andabbreviationsforamountsCalculatingdiscountsApplyingknowledgeofpercentagesandfractionstocalculatediscountsonpriceditems,aswellasunderstandingtermslike"sale,""clearance,"and"markdown."MakingpaymentsUsingnumberstocommunicatewithcashersaboutthetotalamounttobepaid,providingpaymentinformationsuchascreditcardnumbersorcheckingaccountdetails,andverifyingthecorrectchangeisreceivedPricecalculationandpaymentduringshopping010203ReadingandunderstandingtimetablesInterpretingtimetablesforpublictransportation,meetings,oreventsinEnglish,includingunderstandingabbreviationsfordaysoftheweekandtimesofdaySchedulingappointmentsUsingnumberstocommunicateappointmenttimes,durations,andanyassociateddeadlinesorremindersManagingtimeeffectivelyEmployingnumericalskillstoestimatetaskdurations,planworkflows,andallocateappropriatetimeresourcesTimearrangementandplanningAccuratelynotingdownnumericaldatafromexperimentsorobservations,includingunitsofmeasurementandanyrelevantconversionsRecordingmeasuresUtilizingnumericalanalysistechniquestoidentifypatterns,trends,oroutliersincollecteddataAnalyzingdatasetsCommunicatingresearchresultseffectivelythroughtheuseofcharts,graphs,andothervisualaidsthatinvolvenumericaldataPresentingfindingsScientificresearchdatarecordingandanalysisInterpretingstatisticaldata01Understandingandexplainingkeymetricssuchassalesfigures,marketsharepercentages,orcustomersatisfactionratesinthecontextofabusinessreportPreparingpresentations02IncorporatingnumericaldataintoslideshowsorotherpresentationstoillustratepointsandsupportargumentsMakinginformeddecisions03Usingstatisticalanalysistoguidestrategicplanning,assessrisksandopportunities,orevaluatetheperformanceofvariousbusinessinitiativesDatastatisticsreportinbusinesssettings04ExplorationofEnglishDigitalTeachingMethodsCreatingimmersivelanguageenvironmentsUtilizingdigitaltoolssuchasvirtualreality(VR)andaugmentedreality(AR)tosimulatereallifescenariosandprovidestudentswithanimmersivelanguagelearningexperienceRoleplayingandinteractivedialoguesEncouragingstudentstoactivelyparticipateinroleplayinggamesandinteractivedialoguesinthesimulatedenvironmenttoimprovetheiroralcommunicationskillsMultimediaresourcesIncorporatingmultimediaresourcessuchasvideos,audiorecordings,andimagestoenhancethesituationalsimulationandmakethelearningprocessmoreengagingSituationalsimulationteachingmethod要点三GamebasedlearningDesigningeducationalgamesthatincorporatelanguagelearningobjectivestomotivatestudentsandenhancetheirlearningexperience要点一要点二RewardsystemsImplementingrewardsystemsthatrecognizeandrewardstudents'achievementsandprogress,followingasenseofacceptanceandmotivationtocontinuelearningLevelingupandunlockingcontentStructuringthelearningmaterialinawaythatallowsstudentstoprogressthroughdifferentlevels,unlockingnewcontentandchallengesastheyimprovetheirlanguageskills要点三GamificationteachingmethodAssigninggroupprojectsthatrequirestudentstoworktogethertoachieveacommongoal,promotinglanguagepracticeandteamworkskillsFacilitatingonlinediscussionforumswherestudentscanshareideas,askquestions,andprovidefeedbacktotheirpeers,followingasenseofcommunityandcollaborativelearningEncouragingpeerevaluationwherestudentsassesseachother'sperformanceandprovideconstructivefeedback,helpingthemtorecognizetheirownstrengthsandweaknessesCollaborativeprojectsOnlinediscussionforumsPeerevaluationGroupcooper