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1、Welcome to our class!Can you read these numbers in English?1 2 3 4 5 6 78 9 10111 2 3 4 5 6 7 8 9 101112 20 21 22 23 24 25 26 27 28 29 13 30 31 32 33 34 35 36 37 38 3914 40 41 42 43 44 45 46 47 48 4915 50 51 52 53 54 55 56 57 58 5916 60 61 62 63 64 65 66 67 68 6917 70 71 72 73 74 75 76 77 78 79 18 8
2、0 81 82 83 84 85 86 87 88 89 19 90 91 92 93 94 95 96 97 98 99 100 10110 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 311a1a Listen and repeat.Which two rows of numbers are in the wrong place?1bten eleven twelve thirteen fourteentwenty-five twenty-six twenty- seven twenty-eight twenty-
3、nine twenty twenty-one twenty-two twenty-three twenty-fourfifteen sixteen seventeen eighteen nineteenthirty thirty-oneThe 2nd and 4th row 第二行和第四行第二行和第四行one two three four five six seven eight nine ten eleven twelvethirteenfourteenfifteensixteenseventeeneighteennineteentwentythirtyfortyfiftysixtyseve
4、ntyeightyninetytwenty-one twenty-ninethirty-one thirty-nineforty-one forty-ninefifty-one fifty-ninesixty-one sixty-nineseventy-one seventy-nineeighty-one eighty-nine ninety-one ninety-nineone hundred one hundred and oneLearn these numbers and find out the rules:数字小结：数字小结：two - twelve - twentythree -
5、 thirteen - thirtyfour - fourteen - fortyfive - fifteen - fiftysix - sixteen - sixtyseven - seventeen - seventyeight - eighteen - eightynine - nineteen - ninetyone - ten - one hundred 1. 1 - 12: (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. 2
6、1 - 99:十位十位个位个位5. 100 - 900: 1-9 hundred6. 101 - 999:_ hundred and _个位十位_个位数字接龙！数字接龙！10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 Listen and circle the number you hear in 1a.1C1d1d Listen again. Circle the things in the picture that Kate and her mom talk about. Check () the thin
7、g Kate buys.Mom: Oh, look! I like that blue sweater. How much is it?Kate: Fifteen dollars. Oh, I like these socks .Mom: Oh, no. I dont like red .Kate: Do you like this T-shirt ?Mom :Mmm, yes, I do, but its eleven dollars.Kate: Oh. How much is the green sweater ?Mom: Its twenty dollars. But you have
8、a green sweater.Kate: Mmm.Mom: Oh, do you like these trousers?Kate: Oh, yes. How much are they ？ Mom: only sixteen dollars . Kate: Ok, Ill take them . 1e1e Ask and answer questions about the things in the picture above.PairworkC: How much are the blue trousers?S: They are 16 dollars.C: How much is t
9、he white T-shirt?S: It is 11 dollars.C: How much is the black hat?S: It is 13 dollars.$5 How much is this ? Its $18 $35 How much is this ?Its dollars. 50 100 30 7 $5$ seven T-shirt sweater fifty shirt one hundred hat five How much are these ? Theyre $3$30$10$12$1$2Homework Do the leading paper. Memorize the vocabulary of unit 7.