Unit 7 Section B 1a-1e（ppt课件）-2022秋人教新目标版七年级上册《英语》.pptx

1、Unit 7 How much are these socks?Section B 1a-1e931219Look at the pictures and answer.1.How much are these things?2.Do you know more numbers in our life?teneleventwelvethirteenfourteenfour+teensixteenseventeennineteenfifteeneighteenNumbers/ten/levn/twelv/tin/ftin/fftin/skstin/sev()ntin/etin/nantin/tw

2、entythirtytwenty-onetwenty-twothirty-one/twenti/ti/1.基数词表达基数词表达 1)one到到twelve，拼写和读音无规律。拼写和读音无规律。2)thirteen到到nineteen,“十几十几”,在个位在个位数数后加后缀后加后缀-teen,注意注意thirteen,fifteen和和eighteen。3)twenty到到ninety,“几十几十”,以以ty结尾结尾,注注意意twenty,thirty,forty,fifty,eighty。4)2129直到直到9199,“几十几几十几”,用整十位用整十位数加个位表示数加个位表示,中间用连中间用连

3、字符字符“-”把十把十位和个位连接起来。位和个位连接起来。5)one hundred “一百一百”,也可说也可说 a hundred,可加具体数字可加具体数字,如如nine hundred(900)。此时。此时,hundred要用单要用单数。数。2.基数词用法基数词用法 基数词只能修饰可数名词，要注意数词和名基数词只能修饰可数名词，要注意数词和名词在数上要保持一致。词在数上要保持一致。如：如：一名学生一名学生 one student 两名男孩两名男孩 two boys 二十个苹果二十个苹果 twenty apples 三十三个鸡蛋三十三个鸡蛋 thirty-three eggs1:1-12:(

4、记住每个单词记住每个单词)2:13-19:-teen(thir-,fif-,eigh-)3:20-90:-ty(twen-,thir-,for-,fif-,eigh-)4:21-99:十位十位_+个位个位5:100-900:_ hundred 6:101-999:_ hundred and _个位个位十位十位_+个位个位1,2,4,5,7,8,.I am happy.逢逢3或或3的倍数，说的倍数，说“I am happy.”1a1aListen and repeat.1a1aCan you read these numbers?teneleventwelvethirteenfourteenfi

5、fteensixteenseventeeneighteennineteenthirtythirty-onethirty-twothirty-threethirty-fourthirty-fivethirty-sixthirty-seven thirty-eight thirty-nine1b1bWrite the numbers in 1a next to the correct words.Which rows of numbers are in the wrong places?ten_ eleven_ twelve_ thirteen_ fourteen_twenty-five_ twe

6、nty-six_ twenty-seven_ twenty-eight_ twenty-nine_twenty_ twenty-one_ twenty-two_twenty-three_ twenty-four_ fifteen_ sixteen_ seventeen_ eighteen_ nineteen_thirty_ thirty-one_1011121314252627282920212223241516171819303115.25.1b1bLook at the pictures and answer the questions.1.Where are the people in

7、the picture?2.Can you guess their relationship(关系)?3.Can you read the price on the price tag?1c1cListen and circle the numbers you hear in 1a.1d1dListen again.Circle the things in the picture that Kate and her mom talk about.Check()the things Kate buys.Listen again and answer the questions.1d1d1.Why

8、 doesnt Kates mother buy the socks?2.Why doesnt Kates mother buy the T-shirt?3.Why doesnt Kates mother buy the green sweater?She doesnt like red.Its eleven dollars.Its a little expensive(昂贵的).Kate has a green one.1e1eAsk and answer questions about the thing in the picture.A:How much is the white bag

9、?B:Umm,Its seventeen dollars.I.将下列算式与相应的结果连起来。将下列算式与相应的结果连起来。1.45=_2.3+8=_3.56=_4.29=_5.7+8=_6.3+7=_A.tenB.thirtyC.elevenD.twentyE.eighteenF.fifteen201130181510II.将下列句子翻译成英语。将下列句子翻译成英语。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.-那两件毛衣多少钱？那两件毛衣多少钱？-26美元。美元。-How much is this pair of red socks?-Its twelve dollars.-How much are the two sweaters?-Theyre twenty-six dollars.