Unit7 SectionB 1a-1d 课件-人教版英语七年级上册

第四课时Unit7Howmucharethesesocks?第四课时Talkaboutthepriceoftheclothes.It’sfivedollars.Howmuchis/are…?It’s…/They’re…$7$5$6$3$9$8Howmuchisthathat?It’s

apairof

pants

shortsapairof…

一双/一对/一条pantsIt’sapairofshorts.

Theyare________________________.Theyare

two

pairs

of

red

socks

three

pairsof

blue

pants1.红色的长袜______________2.……怎么样？_________________________3.您需要什么吗？________________4.三美元两双

_________________________5.我买/要了。

_________________thelongredsocksHowabout/Whatabout…?CanIhelpyou?threedollarsfortwopairsI’lltakeit(them).eleventwelvethirteenfourteenfifteensixteenseventeeneighteennineteenonetwothreefourfivesixseveneightninetenDoyouknowmorenumbers?总结规律（1）

0~12记住单词10ten11eleven12twelve（2）13～19的基数词都以—teen结尾。

thirteen

fourteen

fifteen

sixteenseventeeneighteennineteenthirtytwentytwenty-onetwenty-sixfortyfiftysixtyseventyeightyninetyonehundredDoyouknowmorenumbers?总结规律（3）20～90中整几十的基数词都以-ty结尾。

twenty

thirty

forty

fifty

sixtyseventyeightyninety

（4）“几十几”的表达式：++

forty-one

41

fifty-two

52

sixty-three

整几十-个位数数字小结：two----twelve----twentythree---thirteen

---thirtyfour---fourteen

---fortyfive---fifteen

---fiftysix---sixteen

---sixtyseven---seventeen

---seventyeight---eighteen

---eightynine---nineteen

---ninetyone----ten---onehundred英语数字顺口溜英语数词不难记，找出规则就容易。零至十二形各异，一个一个单独记。后面加teen变十几，thirteen,fifteen看仔细。eighteen只有一个t，两个音节念清晰。表示“几十”要加-ty,twenty,thirty

是特例。表示数字“几十几”，连字符号别忘记。1a

Listenandrepeat.

10111213141516171819202122232425262728293031Writethenumbersin1anexttothecorrectwords.Which

rows

ofnumbersareinthewrongplaces?

1b哪几行...的在错误的位置ten__eleven__twelve__thirteen__fourteen__

twenty-five__twenty-six__twenty-seven__twenty-eight__twenty-nine__twenty__twenty-one__twenty-two__twenty-three__twenty-four__fifteen__sixteen__seventeen__eighteen__nineteen__thirty__thirty-one__

10111213142526272829202123241516171819303122Row2androw4areinthewrongplaces.Listenandcirclethenumbersyouhearin1a.1c10111213141516171819202122232425262728293031Let'splayanumbergame!1,2,,4,5,,7,8,….Iamhappy.逢3或3的倍数，说“Iamhappy.”Wherearethepeopleinthepicture?Askandanswerthepricesoftheclothes.Howmuchis/are…?Itis…/Theyare…Listenagain.CirclethethingsinthepicturethatKateandhermomtalkabout.Check(√)thethingKatebuys.

1d√Mom:Oh,look!Ilikethatbluesweater.Howmuch

isit?Kate:Fifteendollars.Oh,Ilikethese

socks

.Mom:Oh,no.Idon’tlike

red

.Kate:Doyoulikethis

T-shirt

?Mom:Mmm,yes,Ido,

butit’s

eleven

dollars.Kate:Oh.Howmuchisthegreensweater

?Mom:It’stwentydollars.Butyou

haveagreensweater.Kate:Mmm.Mom:Oh,doyoulikethesetrousers?Kate:Oh,yes.Howmucharethey？

Mom:onlysixteendollars.

Kate:Ok,I’lltakethem.

Howmuch

isthis

?It’s

dollars.

50100

30

13

$$$17$thirteenbagjacketfiftyskirtonehundredhatseventeen$15Howmuchisthis…?It’s…$18$35Howmucharethese…?They’re…$3$30$10$12$1$21.基数词表达

1)one到twelve，拼写和读音无规律。

2)thirteen到nineteen,“十几”,在个位数后加后缀-teen,注意thirteen,fifteen和eighteen。

3)twenty到ninety,“几十”,以ty结尾,注