资源简介 (共30张PPT)How much are these socks Unit SevenSection B(1a-1e)数词1.基数词:表示数量多少的词,如 one, six...2.序数词:表示先后顺序的词:第一 first,第二second...72563841910Can you read these numbers onetwosevenfourfivesixnineeightthreeten17121516131814111920eleventwelveseventeenfourteenfifteensixteennineteeneighteenthirteentwenty21242322thirty25twenty-sixtwenty-seventwenty-eighttwenty-ninetwenty-onetwenty-twotwenty-threetwenty-fourtwenty-five3026272928one two three four five six seveneight nine ten eleven twelvethirteenfourteenfifteensixteenseventeeneighteennineteentwentythirtyfortyfiftysixtyseventyeightyninetytwenty-one … twenty-ninethirty-one … thirty-nineforty-one … forty-ninefifty-one … fifty-ninesixty-one … sixty-nineseventy-one … seventy-nineeighty-one … eighty-nineninety-one … ninety-ninehundredLearn these numbers and find out the rules.1. 1—12: (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__个位5. 100—900:_______ hundred6. 101—999:____ hundred and__个位十位____个位Summary1. 基数词的表达1) one到twelve, 拼写和读音无规律可言, 只能逐一记忆。2) thirteen到nineteen,表示“十几”,在个位数后加后缀-teen,其中要注意thirteen, fifteen和eighteen的拼写。3) twenty到ninety,表示“几十”,以ty结尾,但需注意twenty, thirty, forty, fifty, eighty的拼写。4) 21~29 直到91~99,表示“几十几”,用整十位数加个位表示, 中间用连字符“-” 把十位和个位连接起来。5) one hundred 意为 “一百”,也可说a hundred,hundred可加具体数字,如nine hundred (900)。2. 基数词的用法: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。如:one student 一名学生 two boys 两名男孩twenty apples 二十个苹果thirty-three eggs 三十三个鸡蛋Who is the best two +nine = _________.three + nine = ________.six + seven = __________.eight + six = _________.seven + eight = __________.nine + seven = _________.ten + seven = _________.ten +eight = _______.eleven +eight = _____.ten + ten = _______.twenty +one=__________.sixteen + thirteen=___________.eleventwelvethirteenfourteenfifteensixteenseventeeneighteennineteentwentytwenty-onethirtyfifteen_______sixteen_______seventeen________eighteen_______nineteen_____thirty____thirty-one_______1516171819303110 11 12 13 14 15 16 17 18 19 2021 22 23 24 25 26 27 28 29 30 311a Listen and repeat.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_______101112131425262728292021222324151617181930311b Write the numbers in 1a next to the correct words. Which rows of numbers are in the wrong places Translation11个足球14个西红柿23件衬衫28只红袜子35顶帽子eleven soccer ballsfourteen tomatoestwenty-three shirtstwenty-eight red socksthirty-five hats33个乒乓拍45支笔48件毛衣57个学生55个钟thirty-three ping-pong batsforty-five pensforty-eight sweatersfifty-seven studentsfifty-five clocks(小组竞赛: 你能做出这些数学题吗 )1. One and two is ________.2. Eleven and twenty-four is _________.3. Forty-five plus five is _______.4. Eight minus three is _______.threethirty-fivefiftyfiveCan you deal with these math problems 5. Sixty-two minus ten is __________.6. Multiply five by nine is __________.7. Eight divided by two is ___________.fifty-twoforty-fivefour计算: 加 and/ plus 减 minus乘 multiply …by… 除 … divide by …10 11 12 13 14 15 16 17 18 19 2021 22 23 24 25 26 27 28 29 30 311c Listen and circle the numbers you hear.1d Listen again. Circle the things in the picture that Kate and her mom talk about. Check (√) the thing Kate buys.√1e Ask and answer questions about thethings in the picture above.A: How much are the blue trousers B: They are 16 dollars.A: How much is the white T-shirt B: It is 11 dollars.A: How much is the black hat B: It is 13 dollars.$5How much is this … It’s …Pairwork$18$35How much is this It’s dollars.50100307$$$5$sevenT-shirtsweaterfiftyshirtone hundredhatfiveHow much are these … They’re …$3$30$10$12$1$2¥15¥ 5¥1020yuan¥ 25¥30¥ 108 yuan¥ 7¥ 4clothes for Mrs linClothes for Miss. LinTen Little Indian BoyTen Little Indian Boy一、填表格,记数字。10 11 15ten thirteen twelve20 18 30sixteen nineteen26 28 39twenty-one thirty-fiveeleven13fifteen12twenty16eighteen19thirtytwenty-six21twenty-eight35thirty-nineExercises二、做数学题,学英语。1. twenty-six - twelve - nine = _______2. sixteen + eight + eleven = _________3. eighteen - seven + fifteen = ___________4. thirteen+fourteen-twenty-five = _____5. twenty-nine-thirteen-ten = _________6. thirty-nine - twenty - five =_________7. twelve + thirteen - fifteen= _________8. nineteen -eleven + twenty =___________fivethirty-fivetwenty-sixtwosixfourteententwenty-eightHomework1. Ask and answer price with partners.2. write the numbers 0~31.10,20,30,40...100.参照1b。Have a good day! 展开更多...... 收起↑ 资源预览