Unit6Howmany?人教版(三年级起点)三年级下册PartALet'slearnLet'schantSum-upWarm-up/RevisionPresentationTestHomework●Let'slearn●Let'schantWarm-up/Revisioneleven十一Presentation【例句】Ihaveelevenfish.我有十一条鱼。Eleven.Howmanycarsdoyousee?twelve十二【例句】Therearetwelvemonthsinayear.一年有十二个月。【联想记忆】two二twenty二十Twelve.Howmanyboatsdoyousee?thirteen十三【例句】Therearethirteenpencilsinthepencilbox.铅笔盒里有十三支铅笔。【联想记忆】three三thirteenth第十三Howmanybirdsdoyousee?Iseethirteenbirds.fourteen十四【例句】Therearefourteencarsonthestreet.街道上有十四辆小汽车。【联想记忆】four四fourteenth第十四Aretherethirteenorangesinthetree?No,therearefourteen.fifteen十五【例句】Therearefifteenkitesinthesky.天上有十五只风筝。【联想记忆】five五fifteenth第十五fetf补词单齐ineLet'slearn点击“Let'slearn”,跟我一起读吧!视频Let'slearnHowmanyfishdoyousee?1,2...14,15.Iseefifteen.Iseefifteen.我看见了十五条。(1)1~12的数词为基本数词。one一two二three三four四five五six六seven七eight八nine九ten十eleven十一twelve十二重点句型【详解】数词的构成。详解(二)four+teen=fourteen十四six+teen=sixteen十六seven+teen=seventeen十七nine+teen=nineteen十九fif+teen=fifteen十五thir+teen=thirteen十三eigh+teen=eighteen十八注意13—19由3—9加后缀-teen构成详解(三)thir+ty=thirty三十twen+ty=twenty二十for+ty=forty四十注意20—90等十位数都由2—9加后缀-ty构成six+ty=sixty六十seven+ty=seventy七十nine+ty=ninety九十fif+ty=fifty五十eigh+ty=eighty八十详解(四)twenty+one=twenty-one二十一21—99的几十几是由整十的数加个位数1—9构成,中间要有连字符“-”thirty+two=thirty-two三十二forty+five=forty-five四十五练一练1,二十三twenty-three2,三十四thirty-four3,五十六fifty-sixLet'schant点击“Let'schant”,跟我一起读吧!视频Let'schant一、给下列算式选择合适的答案。TestA.thirteenB.fifteenC.twelveD.fourteenE.elevenF.ten()1.5+7=()2.3×5=()3.18-8=()4.15-2=()5.2×7=()6.10+1=CFDBAE二、请给小动物贴上正确的名牌。1114131512fourteenfofourteenelevenfifteentwelvethirteenSum-up重点词汇twelve12thirteen13fourteen14fifteen15重点句型Iseefifteen.我看见了十五条。将新学的数字单词制成单词卡片吧!Homework