人教版新目標英語七年級上冊-第七單元第三課時-教學課件

Unit7

Howmucharethesesocks?SectionB1a—2c

七年級英語·上新目標[人]OnetwoThreefourFivesixSeveneightNinetenOnetwoThreefourFivesixSeveneightNinetenPutonyourshoesGotothestoreBuythesocksTaketheshirtComebackagainPutonyourshoesGotothestoreBuythesocksTaketheshirtThat’stheendLet’sChant!35125896615783482467135486920Say

the

numbers

quickly.Numbersteneleventwelvethirteenfourteenfour+teen→sixteenseventeennineteenfifteeneighteen10111213141518161719twentytwen+ty→thirtythir+ty→twenty-onetwenty-twothirty-one2030212231Listenandrepeat.聽一聽，讀一讀。111213141516171819202122232425262728293031基數(shù)詞的記憶方法:1.1-12:(記住每個單詞)2.13-19:-teen(thir-;fif-;eigh-)3.20-90:-ty(twen-;thir-;for-;fif-;eigh-)4.21-99:十位個位Row1:ten___eleven___twelve___thirteen___fourteen___Row2:twenty-five___twenty-six___twenty-seven___twenty-eight____twenty-nine___

Writethenumberin1anexttothecorrect

words.Whichrowsofnumbersareinthewrongplaces?10111213142526272829Row3:twenty____twenty-one____twenty-two___twenty-three___twenty-four____Row4:fifteen______sixteen______seventeen______eighteen_______nineteen_____Row5:thirty____thirty-one_______

Writethenumberin1anexttothecorrect

words.Whichrowsofnumbersareinthewrongplaces?202122232415161718193031Listenandcirclethenumbersyouhearin1a.10111213141516171819202122232425262728293031☆教材解讀☆基數(shù)詞表示數(shù)目的詞稱為基數(shù)詞。其形式如下:(1)1-10one,two,three,four,five,six,seven,eight,nine,ten

(2)11-19eleven,twelve,thirteen,fourteen,fifteen,sixteen,seventeen,eighteen,nineteen

這里除eleven,twelve,thirteen,fifteen,eighteen為特殊形式外,fourteen,sixteen,seventeen,nineteen都是由其個位數(shù)形式后添加后綴-teen構(gòu)成。

(3)21-99整數(shù)幾十中除twenty,thirty,forty,fifty,eighty為特殊形式外,sixty,seventy,ninety都是其個位數(shù)形式后添加后綴-ty構(gòu)成。表示幾十幾時,在幾十和個位基數(shù)詞形式之間添加連詞符“-”。21

twenty-one,76

seventy-six?！就卣埂?/p>

基數(shù)詞記憶規(guī)則歌訣:基數(shù)詞不難記,找出規(guī)律很容易:零至十二形各異,加上-teen為十幾,thirteen,fifteen看仔細,eighteen只有一個t;twenty卻是很奇怪,forty本身也不乖,eighty一起搞例外,跟著也把規(guī)則壞;十位后面是個位,表示數(shù)字“幾十幾”,表示“幾百幾十幾”,and常把百、十系。勤學妙記加練習,hundred就是你的好成績。Listenagain.CirclethethingsinthepicturethatKateandhermomtalkabout.Check(√)thethingKatebuys.

√PairworkAskandanswerquestionsaboutthethingsinthepicture.1.askirt___3.socks___5.shorts__2.asweater___4.trousers___6.shoes__Howmuchdoyouthinkthesethingscost?Matcheachclothingitemwithaprice.

bafedca.$3c.$30e.$22b.$15d.$20f.$25

sellstore

buyfromprice

Mrs.Cool’s

Clothes

StoreReadthead.

Mr.Cool’sClothesStoreComeandbuyyourclothesatourgreatsale!Wesellallourclothesatverygoodprices.Doyoulikesweaters?Wehavegreensweatersforonly$15!Yellowsweatersareonly$12!Doyouneedtrousers?Forboys,wehaveblacktrousersforonly$22.Andshortsareonly$16!Forgirls,wehaveskirtsinpurpleforonly$20.Howmuchareourjackets?Only$30!Andwehaveblackshoesforonly$28.Socksareonly$2forthreepairs!CometoMr.Cool’sClothesStorenow!They

are

only

$2

for

three

pairs.It’s

Mr.

Cool’s

Clothes

Store.It

sells

clothes

like

sweaters,trousers,shorts,skirts,jackets,shoes

and

socks.It’s

$15

for

green

ones

and

$12

for

yellow

ones.No,they

are

not.They

are

for

boys.Yes,they

do.They

are

only

$16.They

are

purple.☆教材解讀☆1.ata…price的用法教材原句P41Wesellallourclothesatverygoodprices.我們出售的所有服裝的價格非常合理?！鵤ta…price意為“以……的價格”,其中介詞at可理解為“以……”。price做名詞,意為“價格”,可用“What’sthepriceof…?”詢問某物的價格。Theysoldtheircarsatagoodprice.他們的汽車賣了一個好價錢。注意表示價格的高低用high(高的)或low(低的),而不用expensive(昂貴的)和cheap(便宜的)。expensive和cheap的主語應是“物”,表示“貴的/便宜的”?！盥?lián)想助記☆物品有貴(expensive)賤(cheap),價格有高(high)低(low)。2.for的用法教材原句P41Forgirls,wehaveskirtsinpurpleforonly$20.對于女孩子們而言,我們有紫色的裙子,僅售20美元。

※本句中出現(xiàn)了兩個介詞for,第一個for表示“就……而言”,第二個for表示“以……交換;換取”。Sheistallforherage.就她這個年齡而言,她個子算是高的。Wehaveapplesfor2dollarseachkilo.我們的蘋果兩美元一千克?！羁键c拓展☆for的其他用法(1)表示對象,用途。

Thisbookisforchildren.這本書是兒童讀物。(2)表示目的。

Heoftengoesoutforawalk.他經(jīng)常出去散步。(3)表示對象。

WhatcanIdoforyou?我能為你做什么?You:Hello,_______Ihelpyou?Girl:Yes,please.Ineeda_______.You:Howaboutthesepurple______?Girl:Oh,Ilikethisone.How_____isit?You:It’sonly________dollars.Girl:Oh,good.I’ll_______it.You:Andwhatdoyouneed?Boy:Well,Ineedapairofblack_______forschool.can

skirtskirtsmuchtwentytake

shoesImagineyouworkatMr.Cool’sClothesStore.Completetheconversationandpracticeit.You:Whataboutthispair?They’re_______twenty-eight_________.Boy:Great.Anddoyouhaveshorts,too?You:Yes,ourshortsareonly______dollars.Boy:OK.I’lltakethe_____andthe

_____.only

dollarssixteen

shoesshortsImagineyouworkatMr.Cool’sClothesStore.Completetheconversationandpracticeit.ExerciseⅠ.翻譯短語1.11個足球

2.14個西紅柿

3.23件襯衫

4.28只紅襪子

5.31頂帽子

6.30個乒乓球拍

7.15條短褲

8.12件毛衣

9.13個學生

10.18個時鐘

eleven

soccer

ballsfourteen

tomatoestwenty-three

shirtstwenty-eight

red

socksthirty-one

hats

thirtyping-pong

batsfifteen

pairs

of

shortstwelve

sweatersthirteen

students

eighteen

clocksⅡ.根據(jù)漢語提示完成句子1.—Does

Mrs.Green

have

a

(服裝)store?—Yes,she

does.2.I

want

to

(買)a

new

schoolbag

for

school.3.We

(賣)the

sports

shoes.4.—What’s

the

(價格)of

your

new

pencil

box?—It’s

10

yuan.5.

The

(男孩)in

a

red

hat

is

my

brother.His

name

is

Li

Wei.

6.The

sweaters

are

on

(減價).