英语数字11-20的教学课件.pptx

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1、TeachingcoursewareforEnglishnumbers11-20目录contentsPronunciationofNumbers11-20WritingNumbers11-20ApplicationofNumbers11-20MemoryTechniquesforNumbers11-20CommonErrorsandCorrectionsofNumbers11-2001PronunciationofNumbers11-20Emphasizethestressedsyllablesandvowelsounds.Stressthefinalteenandtysoundsin13,1

2、4,15,20.Ensurecorrectpronunciationofindividualnumbersfrom11to20.rulesonpronunciationNumber11Number12Number13Number14Pronunciationexamples01020304on-der-elevenon-der-twelveon-der-tree-teenon-der-four-teen drillingrammarPracticeconvertingnumbersfromEnglishtocardinalandordinalforms.Practiceusingappropr

3、iateprepositionswithnumbers(e.g.,inthe1990s).Practiceformingpossessiveandpluralformsofnumbers(e.g.,thirteens,twentys).02WritingNumbers11-20Writethenumberinthemiddleoftheline,withthedigitsontheleftsideandthedecimalpointontherightside.Rule1Writeeachdigitseparately,withnospacesbetweenthem.Rule2Useacomm

4、atoseparatethewholenumberandthedecimalpart.Rule3WritingrulesWritethenumber12.345678901234567890.Example1Writethenumber11.2345678901234567890.Example2Writethenumber20.000000001234567890.Example3WritingexamplesWritethefollowingnumbersinEnglish:11,15,20.Exercise1WritethefollowingnumbersinEnglish:12.345

5、,17.896,20.001.Exercise2WritethefollowingnumbersinEnglish:13.45678901234567890,18.987654321098765432,20.000000001234567890.Exercise3Writingexercises03ApplicationofNumbers11-20Buyingitems01Whenpurchasingitems,understandingEnglishnumbers11-20isessentialforcalculatingchangeandunderstandingthepriceofgoo

6、ds.Scheduling02Englishnumbers11-20areusedwhenschedulingeventsorappointmentstoensureaccuratetimekeeping.Telephonenumbers03KnowingEnglishnumbers11-20isnecessarytodialphonenumberseffectively.ApplicationindailylifeBasicarithmeticoperationsUnderstandingEnglishnumbers11-20iscrucialforperformingbasicarithm

7、eticoperationslikeaddition,subtraction,multiplication,anddivision.FractionalrepresentationEnglishnumbers11-20canbeusedtorepresentfractionsmoreeasily,makingiteasiertoperformcalculationsinvolvingfractions.Problem-solvingEnglishnumbers11-20areusedinproblem-solvingscenariosthatrequiretheuseofnumbersouts

8、idetherangeof0-10.ApplicationinmathematicalcalculationsApplicationofRBFinScientificnotationRBFscanbeusedtoapproximatefunctionsthataredifficulttorepresentusingtraditionalnumericalmethods,suchasthoseinvolvingsingularitiesordiscontinuities.NumericalapproximationRBFsareusedinneuralnetworksforpatternreco

9、gnitionandclassificationtasks.Theyareparticularlyeffectiveforsolvingnonlinearproblems.Radialbasisfunction(RBF)neuralnetworksWaveletanalysisusesRBFstodecomposesignalsintodifferentfrequencycomponents,makingitsuitableforsignalprocessingandimagecompressionapplications.Waveletanalysis04MemoryTechniquesfo

10、rNumbers11-20利用关联事物帮助记忆数字的方法。通过将数字与具体事物或场景关联起来，形成记忆的桥梁。例如，将数字11与“双胞胎”关联，数字12与“钟表”关联，数字13与“雨伞”关联等。通过这些具体的形象，可以更轻松地记住数字。AssociativeMemoryMethod通过编故事的方式将数字串联起来进行记忆的方法。将数字11-20串联成一个有趣的故事，每个数字代表故事中的一个关键元素。例如，故事可以是：“在11点钟，我拿着雨伞出门，碰到了一只双胞胎熊猫在吃苹果，我们一起乘坐12路公交车去超市，买了20个鸡蛋。”通过这样的故事，可以轻松记住这些数字。StoryMemoryMethod

11、通过歌曲旋律帮助记忆数字的方法。将数字11-20编写成一首歌曲，每个数字有其对应的歌词或旋律。通过反复唱这首歌曲，可以轻松记住这些数字。例如，“Oneone,twotwo,threethree,fourfour.”等。这种方法不仅有趣，而且容易记忆。SongMemoryMethod05CommonErrorsandCorrectionsofNumbers11-20MixeduptheorderofdigitsSomestudentsmayconfusetheorderofdigitswhenrecitingnumbers,suchassayingeleventeeninsteadofeleve

12、n.OmissionofteenSomestudentsmayforgettopronouncetheteensoundafterthenumber10,suchassayingtwentyinsteadoftwelve.AddingandbeforethelastdigitSomestudentsmayaddandbeforethelastdigit,suchassayingelevenandtwoinsteadofeleven-two.010203CommontypesoferrorsMnemonicsTeachstudentsmnemonicsormemoryaidstohelpthem

13、rememberthecorrectpronunciation,suchassayit,spellit,writeitdown.VisualizationUsepicturesorchartstohelpstudentsvisualizethenumbersandtheirstructure.RepetitionHavestudentsrepeatthenumbersoverandoveragainuntiltheyarecomfortablewiththecorrectpronunciation.ErrorcorrectionmethodsProvidepracticeexercisesDe

14、signpracticeexercisesthatfocusontheerrorpronepoints,suchasrecitingnumbersinreverseorderorsayingnumberswithadelaybetweeneachdigit.Encourageself-correctionAskstudentstoself-correcttheirpronunciationwhentheynoticeanerror,andencouragethemtocorrecteachotherinclass.Usereal-lifeexamplesUsereal-lifeexamplestoillustratethecorrectpronunciationofnumbers,suchascountingobjectsintheclassroomorusingnumbersinastory.PracticeonerrorpronepointsTHANKS感谢观看