U7sectionB1a--1e.ppt

1、Section B,a hat,How much is this white hat?,-Its 4 dollars.,$4,a white hat,How much are these red socks?,-Theyre 2 dollars.,$ 2,$10,$30,socks,red socks,one,two,three,four,five,six,seven,eight,nine,zero,0 1 2 3 4,5 6 7 8 9,eleven,twelve,ten,7+10=17,fourteen,sixteen,seventeen,nineteen,four,teen,+,6+10

2、=16,4+10=14,9+10=19,5+10=15,8+10=18,five,six,seven,eight,nine,+,+,+,+,+,teen,teen,teen,teen,teen,fiveteen,eightteen,3+10=13,three,+,teen,threeteen,Find the rules找规律,thir,fif,eigh,twenty,twen,+,ty,thirty,thir,ty,twenty-one,twenty-two,thirty-one,+,21,22,31,20,30,How about 50,60,70,80,90?,40,for,+,ty,f

3、orty,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: 21-31:,十位,_,个位,Summary 小结:,1到12要死记， 13-19要加-teen,变形就是358， 20-90后加-ty,23458要变, 若是十位个位都要读，先读十位再个位，中间一横不要忘。,小窍门,10,15,21,18,21,31,13,25,16,Whats this?,Quick reaction快速反应,Congratulations,Congra

4、tulations,Lets play a number game! 数字游戏,1, 2, , 4, 5, 7, 8, .31,I am happy.,逢3的倍数，说“I am happy.”,Congratulations,1a,Listen and repeat. B 1a.mp3,1c,听录音，在1a中圈出所听到的数字,11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30,hat,Pairwork(分组问答物品价格),A: How much is/are the black/white ? B: Its/Theyre .,

5、T-shirt,$14,$30,$28,$15,trousers,sweater,A: Can I help you? B: Yes, please. I want a hat. A: What color do you want? B: Black. A: Here you are. B: How much is it? A: 15 dollars. B: Ill take it. Thanks. A: Youre welcome.,Groupwork,26 dollars,15 dollars,30 dollars,Can you solve these problems? 你们会做下列问

6、题吗?,two +nine = _. three + nine = _. six + seven = _. eight + six = _. seven + eight = _. nine + seven = _.,eleven,twelve,thirteen,fourteen,fifteen,sixteen,ten + seven = _. ten +eight = _. eleven +eight = _. ten + ten = _. twenty +one=_. sixteen + fourteen=_.,seventeen,eighteen,nineteen,twenty,twenty-one,thirty,Translate and write them down.,1. - 这双红色的袜子多少钱？ - 12美元。 2. - 那件毛衣多少钱？ - 26美元。,How much are the red socks? Theyre twelve dollars.,How much is that sweater? Its twenty-six dollars.,Listen again.Circle the things in the picture that Kate and her mom talk about. Check () the thing