英语数词的复习课件

English numeralreviewcoursewareTHEFIRST LESSON OF THE SCHOOL YEARCONTENTS目录•Fundamentals of EnglishNumbers•The UsageofEnglishNumbers•Special expressionsof Englishnumbers•Analysis ofCommon Errors inEnglish Numbers•Practice questions and answersforEnglish numbers01Fundamentalsof EnglishNumbersDefinitionand classificationDefinitionEnglish numbers arethe numbersused in the Englishlanguageto representquantities,orders ofmagic,andother numericalinformationClassificationEnglish numberscan beclassified intoCardinalnumbers used to countobjects andordinal numbersused to indicateorder orpositionThe Compositionof CardinalNumbersBasic structureCardinal numbers arecomposed ofunits,tens,hunted,thoughts,andother largermultiple of tens For example,the number123is composedofthe unit1,the ten20,and thehunted100Formation rulesEnglishCardinal numbers are formed by combining the basicunits1-9and multipleof ten10-90in variousways For example,the number23isformed bycombiningtheunit2and theten30The Compositionof OrdinalNumbersBasic structureFormation rulesOrdinalnumbers areformed byEnglish ordinalnumbers areformedadding suffixessuch as-st,-nd,-rd,by addingthe suffixes-th,-st,-nd,-th toCardinalnumbers For example,VS-rd tothe correspondingCardinalthe ordinalnumber1st isformed bynumbersForexample,the ordinaladdingthe suffix-st tothe Cardinalnumber2nd isformedbyadding thenumber1suffix-nd tothe Cardinalnumber201The UsageofEnglishNumbersThe applicationof numbers in dailylife010203Time AgePhone numbersEnglish numbers are English numbers areEnglish numbers areusedto expresstime,usedto express age,used inphone numbers,such as12:00for noonsuch as25years oldor such as1-800-123-and06:30for sixthird32years old4567The Applicationof Numbersin ScientificnotationScientific notationis away to express verylarge orverysmall numbers in amore consensusform.Forexample,the number1234567can beexpressed in scientificnotation as

1.234567x10^6English numbers are used inscientificnotation toexpressdecimal placesand componentsForexample,the number

3.14159can beexpressed inscientificnotation as

3.14159x10^0The Applicationof Numbersin MathematicsBasicarithmetic operationsEnglish numbersareused inbasic arithmeticoperations such as addition,subtraction,multiplication,and divisionAlgebraEnglish numbersareused inAlgebra toreport variablesand constantsinequations Forexample,the equation2x+3=7uses Englishnumbers torepresentthe variablesand constantsGeometryEnglishnumbersareusedingeometry toreport measuresand lengthsForexample,the lengthof aside ofa squarecan berepresented bythe number501Specialexpressions ofEnglishnumbersTheexpression ofmultipleMultiple of oneUse timesto expressmultipleofone,such asthreetimes oneis threeor twooneis twoMultipleof tenUseten orone zerotoexpress multipleoften,suchas twois onezero timestwoor thirdis tentimes threeTheexpression offractions anddecimalsFractionsUse andtoexpressfractions,such asthree andone halfortwo andtwo thirdDecimalsExpressdecimals asacombination ofwhole numbersandfractions,such asone pointfiveor twopoint zerofiveThe expressionof large numbersThanksUse bothtoexpress largenumbersin thethoughts,so asonethought andtwo hungthird fourMillionsUsemillion toexpresslargenumbersin the mills,suchasfive millionsixhunted seveneight thousandand ninehunted andeight seven01Analysis ofCommonErrorsin EnglishNumbersFusionprone numericalexpressions1000-10000Some learnersfuse theexpressionten thoughtswith thoughts,leading tothe incorrectusage oftenthoughts insteadofthoughts2000-20000Learners oftenmix upthe usageoftwo thoughtsand twothoughts,resulting intheincorrect expressiontwothoughts fortwo thoughtsAnalysisof spellingerrors in numbersTwo vs.too Fourvs.forLearners oftenfuse thespeeches ofSome learnersmistakenly usefortwo andtoo,leading toincorrect insteadof fourinnumbers,resultingusage innumbersinincorrect spellingAnalysisof GrammarErrorsinNumbersPlural FormLearnersoften makemisses inthe pluralform ofnumbers,so asusing onesinstead ofonesArticleUsageSome learnersstruggle withthe usageof articleswith numbers,leading toincorrectgrammar insentences01Practicequestions andanswersforEnglishnumbersMultiple choicequestions andanswersMultiple choicequestionsThese are questions where the student must selectthe correct Englishnumberfrom agiven listofoptions Forexample:Which isthe correctEnglishnumberfor10with optionslike ten,10,X,and10thAnswersFor eachmultiple choicequestion,there should be acorresponding answerthat clarifieswhichstudents selectionwas corrector incorrectIf thestudent selectsthe correctnumber,the answerprovidespositive feedback;Otherwise,it explainsthe correct answer andany relatedconceptsFill inthe blankquestions andanswers要点一要点二Fill inthe blankquestions AnswerThesearequestionswherethestudentmustidentify The answer section provides the correct EnglishthecorrectEnglishnumber tofill ina blankspace Fornumerical thatshouldbeusedtocomplete theexample:I have5____of apples.The studentwould sentenceIf thestudents responsematches thefillintheblank withthe appropriatenumber,suchasanswer,positive feedbackis provided;Otherwise,thetasks orboxes.correctanswer is givenwith anexplanation ofwhy itis correctReading comprehensionquestionsandanswersReading comprehensionAnswerquestionsThese arequestions thatrequire thestudent toTheanswersectionprovidesguidance totheread apassage containingEnglishnumbersand studenton howto interpretthe givenpassagethen answera relatedquestion Forexample:and identify thecorrectEnglishnumberIf theReadthe followingparagraph andidentifythestudents responsealigns withthe passage,Englishnumberfor3inthetext.The paragraphpositive feedbackis given;Otherwise,the correctmaycontain sentenceslike Ihave3apples oranswerisprovided alongwith anexplanation ofThereare3people inthe room.why itiscorrect感谢观看THANKSTHE FIRSTLESSONOFTHESCHOOLYEAR。