七年级英语上册Unit7Howmucharethesesocks？SectionB1a—1e人教新目标版.ppt

Unit7Howmucharethesesocks?SectionB(1a1e),.单词拼写1.ten(num.)2.eleven(num.)3.twelve(num.)4.thirteen(num.)5.twenty(num.)答案:1.十2.十一3.十二4.十三5.二十,6.fifteen(num.)7.eighteen(num.)8.thirty(num.)答案:6.十五7.十八8.三十,.判断下列算式正误(T/F)()1.twelve+eight=twenty()2.seven+eight=fifteen()3.thirty-one+seven=twenty-five()4.eleven+twenty=thirty-one()5.twenty-four+nine=thirty-two答案:15.TTFTF,.句型填词这个白包多少钱?它17美元。thewhitebag?seventeendollars.答案:Howmuchis;Its,Howmuchisthepants?Theyrethirtyfiveyuan._答案:句中主语是pants,是复数;be动词is改为are;thirtyfive改为thirty-five。,twenty-five二十五【语境领悟】*Theboyhastwenty-eightballs.这个男孩有二十八个球。*HowmuchareBobsbluepants?鲍勃的蓝短裤多少钱?,Theyrethirty-sixyuan.三十六元。*Hereareninety-nineroses.这儿有九十九朵玫瑰。,【自主归纳】数词“几十几”(1)表达“几十几”用:“几十”+连字符“-”+“几”37thirty-seven;98ninety-eight(2)“几十几”是一个单词,不能漏掉连字符。,【学以致用】这十二支钢笔多少钱?它们四十八元。arethesetwelvepens?Theyreyuan.答案:Howmuch;forty-eight,.选图配句,()1.Thesepantsaretwentydollars.()2.Howmuchisthegreensweater?Thirty-twodollars.()3.Thesearemyshoes.Theyretwenty-nineyuan.()4.Howmucharetheshortsandthecap?Idontknow.()5.Theredcapisonlysixyuan.答案:15.BCDEA,.完成句子1.这件白色的T恤衫多少钱?25元。isthewhiteT-shirt?yuan.2.这短裤15元吗?是的。theshortsyuan?Yes,itis.答案:1.Howmuch;Twenty-five2.Are;fifteen,3.你喜欢什么颜色?我喜欢黄色。doyoulike?Ilikeyellow.4.十五加十六等于多少?三十一。fifteenandsixteen?.5.这十双袜子35元。Thesepair