Unit 3 第3课时 Communicate Extend教学课件

UnitThreeHowdoweusenumbers?

第3课时

Communicate&Extend沪教版四年级上册·新教材掌握英语数字表达（如thirteen,fourth）及奇偶性（odd/even）。理解数字在日期、价格、序数中的日常使用，认识数字在生活中的基础功能，如时间表述、数量统计。学习理解通过奇偶数分类游戏锻炼逻辑思维；用英文模拟购物计算（加减法），解决"买三杯咖啡需多少元"等实际问题，强化数学应用与场景化问题分析能力。应用实践小组合作设计"校园数字寻宝"任务，用英语提问收集数据（如"Howmanywindows?"），结合奇偶性整理信息，自主探究交通、环保等领域的数字应用，深化跨学科能力。迁移创新【核心词汇】party,put...in..,phone,tell,allthetime【核心句型】1.提问年龄与回答—How

old+be动词+主语?—主语+be动词+数词(+year(s)old).核心知识点教学目标沪教版四年级上册ContentsContentLead-in01Presentation02Practice03Summary04Homework0501.Lead-in

Watchavideo02.Presentation

partylearnthenewwordsVocabularyIconsideritagreathonourtobeinvitedtoyourbirthdayparty.我认为能被邀请参加你的生日聚会是自己很大的荣幸。例句最常见的意思是“聚会；派对”，如生日派对（birthdayparty）、新年派对（NewYear'sparty）;还有“政党；党派”的含义，如“theCommunistPartyofChina”（中国共产党）拓

展phonelearnthenewwordsVocabularyIspokewithhimonthephoneafewmonthsago.几个月前我与他通过电话。例句最常用的意思，指我们用来通话的工具mobilephone手机=cellphone；telephone固定电话（可以简写成“phone”）makeaphonecall打电话当它作动词时，意思是“给某人打电话”例句：Iwillphoneyouafterschool.放学后我会给你打电话。

拓

展telllearnthenewwordsVocabularyShetellsstoriestoherlittlesistereverynight.她每晚给妹妹讲故事。例句tellsb.sth.告诉某人某事（例：Itellyouasecret.我告诉你一个秘密。）tellsb.todosth.告诉某人做某事（例：Momtellsmetocleanmyroom.妈妈叫我打扫房间。）tellalie：说谎

tellthetruth：说真话拓

展put...in...learnthenewwordsVocabularyPutthefruitinabowl.Thenputintwoteaspoonsofhoneyandacupofyogurt.Finallymixitallup.把水果放进碗里，然后放入两茶匙蜂蜜和一杯酸奶，最后它们混合起来。例句指将某个东西放进另一个容器、空间里，强调“放入内部”的动作常用结构：put+东西+in+容器/地方（把某物放进某地）拓

展allthetimelearnthenewwordsVocabulary“allthetime”是一个副词短语，意思是“一直、总是”，用来表示某个动作或状态不断重复发生。它通常放在句子的末尾。如：Shesmilesallthetime.（她总是微笑。）我们也可以用它来回答“howoften”（多久一次）的问题。比如：Howoftendoyoubrushyourteeth?（你多久刷一次牙？）Ibrushmyteethallthetime.（我总是刷牙。）记住，“allthetime”强调动作的持续性拓

展VocabularyReview&Keyphrasesfruitsalad水果色拉birthdayparty生日派对tellthetime报时callsb.onone’sphonenumbers

用手机号码拨打某人的电话partyphonetellput...in...allthetimeListenandwrite.Thensay.AfruitsaladHaveaguess.Whatisthedialogueabout?HowmanykindsoffruitarethereinLanlanandJunjun’ssalad?Whatarethey?Listenandwrite.Thensay.Afruitsalad257325ChooseandactAfruitsalad25325...?...7ThinkandsayAfruitsalad253257Theyput...applesinthesalad.Howdonumbershelpus?Numbershelpusinmanyways.Inthisfruitsaladactivity,theyhelpusknowhowmanyfruitstoputinthesalad,likeknowing4applesplus2applesmake6apples.Indailylife,numbershelpuscountthings,measurequantities,planactivities,andmakefairdistributions,suchashowmanyfruitseachpersongetswhensharingorhowmuchfruittobuyatthestore.Readandthink.Whatisthepictureabout?Whatnumbersdoyousee?ThepictureisaboutMingming'sbirthdayparty.ThenumbersIseeare2,4,7,3,6,10,3(onthecalendar),12,6,9,5,8,9(ontheballoons),andthenumberonthebirthdaycake(whichlookslike8).Sothenumbersare2,3,4,5,6,7,8,9,10,12.Askandanswer.tensixnineballensandonecakeHowoldareyou?What'sthetime?...Weusenumbersallthetime.Weusenumberstotellthetime.Thenumbersontheclockhelpusknowthetime.Wecallpeopleontheirphonenumbers.Thenwecantalktothemonthephone.3Readthetitle.Whatisthistextabout?Ithinkitisabout...NumbersinourlivesHowoldareyou?What'sthetime?...Weusenumbersallthetime.Weusenumberstotellthetime.Thenumbersontheclockhelpusknowthetime.31.Whatnumberscanyousee?2.Whatdoyouknowfromthenumbers“10”and“2”?Iseethenumbers1—12.Iknowthetime.It’stenpastten.3.Whydoweneedthesenumbers?Theytellthetime.Wecallpeopleontheirphonenumbers.Thenwecantalktothemonthephone.31.Whatnumberscanyousee?2.Whatdoyouknowfromthenumbers“10”and“2”?3.Whydoweneedthesenumbers?Iseethenumbers1—9.IknowthephonenumbersTheyhelpusmakephonecalls.31.Whatnumberscanyousee?2.Whatdoyouknowfromthenumbers“10”and“2”?3.Whydoweneedthesenumbers?Iseethenumber“45”IknowthepriceTheytelltehpriceWeusenumbersinthesupermarket.Everythinginthesupermarkethasaprice.3Canwelivewithoutnumbers?Whyorwhynot?3+5=87-5=242613503.Practice

Languagepoints询问某人年龄的句型及回答：—Howold+be动词+主语？—主语+be动词+数词+year（s）old.例：Howoldareyou?你几岁了？Iamseven(yearsold).我七岁了。（括号内可省略）LanguagepointsCanwelivewithoutnumbers?Whyorwhynot?我们能离开数字生活吗？为什么？

No,wecan'tlivewellwithoutnumbers.Why提问用because进行回答：Becausenumbershelpusinmanyimportantwaysinourdailylife.Weneednumberstotelltime/countthings/playgames.Withoutnumbers,wecan'tknowwhentogetup,whentogotoschool,orwhentohavelunch.Choosethecorrectanswer:1.Howmanyhats______Lilyhave?.A.doB.doesC.is2.Howmanystudentsarethere_____Lucy’sbirthdayparty?A.onB.atC.in3.Myfavouriteclothes_____T-shirts.A.amB.isC.are4.Ilike______days.A.sunB.sunshineC.sunny5.翻译成中文：Tenminustwoequalseight.BBCC十减二等于八把得数相等的两个式子用线连起来fourplustwofiveplussixtwelveplusthreetwentyminusfivesixteenplusthreethirt