新人教版七上英语定稿Unit7sectionB（1a-1e）公开课19张.ppt

1、a hat How much is this white hat?-Its 4 dollars.Whats this?What color is it?$4a white hatHelenHow much are these red socks?-Theyre 2 dollars.$2What color are they?Whatre these?socksred socksHelen one two three four five six seven eight ninezero/o0 1 2 3 45 6 7 8 9eleventwelveten7+10=17fourteensixtee

2、nseventeennineteenfourteen+6+10=164+10=149+10=195+10=158+10=18fivesixseveneightnine+teenteenteenteenteenfiveteeneightteen3+10=13three+teenthreeteenFind the rules找规律找规律thirfifeightwentytwen+tythirtythirtytwenty-onetwenty-twothirty-one+2122312030How about 40,50,60,70,80,90?1:1-12:(记住每个单词记住每个单词)2:13-19

3、:-teen(thir-,fif-,eigh-)3:20-90:-ty(twen-,thir-,for-,fif-,eigh-)4:21-31:十位_个位Summary 小结小结:1到到12要死记，要死记，13-19要加要加-teen,变形就是变形就是358，20-90后加后加-ty,23458要变要变,若是十位个位都要读，若是十位个位都要读，先读十位再个位先读十位再个位，中间一横不要忘。，中间一横不要忘。Whats this?Congratulations1,2,4,5,7,8,.31 I am happy.逢逢3的倍数，说的倍数，说“I am happy.”1a Listen and re

4、peat.B 1a.mp310 11 12 13 14 15 16 17 18 19 2021 22 23 24 25 26 27 28 29 30 311b1bListen and circle the numbers you hear in 1a.hatPairwork(分组问答物品价格分组问答物品价格)A:How much is/are the black/white?B:Its/Theyre .T-shirt$14$30$28$15trouserssweaterA:Can I help you?B:Yes,please.I want a hat.A:What color do you

5、want?B:Black.A:Here you are.B:How much is it?A:15 dollars.B:Ill take it.Thanks.A:Youre welcome.Groupwork15 dollars31 dollars25 dollarsCan you solve these problems?你们会做下列问题吗你们会做下列问题吗?eight+nine=_.three+twelve=_.sixteen+thirteen=_.thirty fourteen=_ twenty-six eighteen=_.seventeenfifteentwenty-ninesixt

6、eeneight14个西红柿个西红柿27件衬衫件衬衫35只红袜子只红袜子63个学生个学生fourteen tomatoestwenty-seven shirtsthirty-five red socks.sixty-three studentsTranslate and write them down.1.-这双红色的袜子多少钱？这双红色的袜子多少钱？-12美元。美元。2.-那件毛衣多少钱？那件毛衣多少钱？-26美元。美元。-How much are the red socks?-Theyre twelve dollars.-How much is that sweater?-Its twenty-six dollars.不要花钱如流水。不要花钱如流水。Thank you&Goodbye!