Unit 3 第2课时 Explore教学课件

第2课时

Explore沪教版四年级上册·新教材UnitThreeHowdoweusenumbers?了解英语中数字、奇偶性、数字的日常使用的表达方式，探索数字渗透进生活的各方各面，进一步把握数字在人们日常生活中发挥的作用。学习理解通过认识和区分奇偶数锻炼逻辑分类思维；在加减法运算及其应用实践中增强数学逻辑思维能力；通过提出并解答数量问题，提升在实际场景中分析、解决问题的能力。应用实践能积极与同伴交流分享,合作学习;运用英语中对数字的提问方式模拟日常生活交流，把握奇偶、单复数的正确使用，提升自主学习能力。迁移创新【核心词汇】number、odd、even、plus、minus、count、pencil、apple、book、ruler、pen【核心句型】1.Thereareevennumbersandoddnumbers.2.Numbershelpuscountthings.3.加法表达：数字+数字=数字4.减法表达：数字-数字=数字5.询问与回答数量：Howmany...doyou/we/theyhave?核心知识点教学目标ContentsContentLead-in01Presentation02Practice03Summary04Homework0501.Lead-in

Watchavideo02.Presentation

numberlearnthenewwordsVocabularyLookatthenumbers.看这些数字例句oddlearnthenewwordsVocabularySomenumbersare

odd.一些数字是奇数例句evenlearnthenewwordsVocabularySomenumbersareeven.一些数字是偶数例句pluslearnthenewwordsVocabularyWesay,“Fiveplus

sixequals

eleven."我们说：“5加六等于11.”例句minuslearnthenewwordsVocabularyWesay,“Fiveminus

oneequalsfour.”我们说：“5减一等于4.”例句countlearnthenewwordsVocabularyShecountedthecoinsinherpocket.她数了数口袋里的硬币。例句pencillearnthenewwordsVocabularyWehaveelevenpencils.我们有十一支铅笔例句applelearnthenewwordsVocabularyYouhavefiveapples.我们有五个苹果例句booklearnthenewwordsVocabularyHowmanybooks

doyouhave?你有多少本书例句rulerlearnthenewwordsVocabularyHowmanyrulers

doyouhave?你有多少把尺子例句penlearnthenewwordsVocabularyHowmanypens

doyouhave?你有多少支钢笔例句numberoddevenplusminuscountpencilapplebookrulerpenWhatdoyouknowaboutnumbersandourlives?WhatIknowWhatIwanttoknowWhatIhavelearntNumbersareusedtocountthings,likehowmanyappleswehave.Weusenumbersinourdailylife,suchasintime(like7o'clock),money(like5yuan),andaddresses(likeRoom302).Therearedifferenttypesofnumbers,likeoddnumbers(1,3,5…)andevennumbers(2,4,6…).Howdidpeopleusenumbersinancienttimes?Arethereanyspecialnumberswithinterestingstories?Numbersplayaveryimportantroleinourlives.Theyhelpusorganizeandunderstandtheworldbetter.Differentculturesmayhavedifferentwaysofusingandthinkingaboutnumbers.NumbersNumbersHowmanykindsofnumberscanyoufind?Two.Whatarethey?Howcannumbershelpus?Someare...andsome...Theyhelpuscount.Plus“＋”Minus“－”minusoddcountoddcountminusWhatdoyoulearnaboutnumbers?✔Thereare...and...Whatdoyoulearnaboutnumbers?✔✔Ihave...Howmany...?Ihave.../Wehave...Wesay,“...plus/minus...”ListenandchantLearnHowmanyapplesdowehave?I

don’thave

tenapples.Ihave

fourapples.You

havesixapples.Wehaveten!Tick,askandanswerHowmanybooksdoyouhave?Ihavethreebooks.✔Tick,askandanswerHowmany...doyouhave?Ihave...✔Tick,askandanswerHowmany...doyouhave?Ihave...✔Tick,askandanswerHowmany...doyouhave?Ihave...✔03.Practice

Languagepoints询问对方拥有物品的数量的句型及回答:—Howmany+可数名词复数+doyouhave?—Ihave+数词+物品.e.g.(1)Howmanyapplesdoyouhave?

你有多少个苹果?

Ihavetenapples.

我有十个苹果。表达某人拥有某物的句型:

主语+have/has(+数词)+物品e.g.Theyhavethreebooks.

他们有三本书。Languagepoints表达某人没有某物的句型:

主语+don't/doesn't

have

(+数词)

+

物品e.g.Ningningdoesn'thavefivegreenpencils.

宁宁没有五支绿色的铅笔。Numbersfrom1to20（基数词）奇数（oddnumbers）偶数（evennumbersnethreefivesevenninetwofoursixeightten11131517191214161820eleventhirteenfifteenseventeennineteentwelvefourteensixteeneighteentwenty阅读短文，判断句子正确（T）错误（F）：Numbersareveryimportantinourdailylife.Weusethemalot.First,weusenumberstocount.Forexample,mymommyplanstomakeafruitsaladandtellsmetobuy3applesand2peaches.There’re5fruitinall.Numbersarealsooftwokinds:evenandodd.Numberslike2,4,6areevenwhilenumberslike1,3,5areodd.

Atabirthdayparty,numbershelpusknowhowoldsomeoneisorhowmanyfriendsarethere.Numbersmakeourlifeeasyandfun!1.Wecanonlyusenumberstocountfruit.2.Numberslike7,9,11areevennumbers.3.Number8isanoddnumber.4.Weoftenusenumbersinourdailylife.5.Atabirthdayparty,numberscanhelpusknowhowold

someoneis.FFFTT1.Weusenumbersontheclocktoknowthe____.A.phonenumbers

B.prices

C.time2.Howoldisyoursister?---

A.He’sten.

B.She’sten.

C.I’mten.3.Elevenplus____equalsnineteen.

A.seven

B.eight

C.nine4.Eighteenminus____equalsthree.

A.thirteen

B.fourteen

C.fifteen5.Sevenis___number,tenis___number.

A.odd;even

B.odd;odd

C.even;oddCBBCA04.Summary

SummaryWords:number、odd、even、plus、minus、count、pencil、apple、book、ruler、penSentence:1.Thereareevennumbersandoddnumbers.2.Numbershelpuscountthings.3.加法表达：数字+数字=数字4.减法表达：数字-数字=数字5.询问与回答数量：Howmany...doyou/we/theyhave?05.Homework

Homework基础题：听教材的录音，跟读课文，注意语音语调，复习本课的重点短语。提高题：描述数字应用：使用本单元学到的句型（如

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