英语：七上Unit 7 How much are these socks Section B 第1课时（人教版）.ppt

Unit 7 How much are these socks?,Can you count these numbers in English?,1,2,3,4,5,6,7,8,9,10,11,1 2 3 4 5 6 7 8 9 10 11 12 20 21 22 23 24 25 26 27 28 29 13 30 31 32 33 34 35 36 37 38 39 14 40 41 42 43 44 45 46 47 48 49 15 50 51 52 53 54 55 56 57 58 59 16 60 61 62 63 64 65 66 67 68 69 17 70 71 72 73 74 75 76 77 78 79 18 80 81 82 83 84 85 86 87 88 89 19 90 91 92 93 94 95 96 97 98 99 100 101,Numbers,ten,eleven,twelve,thirteen,fourteen,four,+,teen,16 sixteen,17 seventeen,19 nineteen,fifteen,eighteen,twenty,twen,+,ty,thirty,thir,+,ty,40 forty,50 fifty,60 sixty,twenty-one,thirty-two,sixty-seven,one two three four five six seven eight nine ten eleven twelve,thirteen fourteen fifteen sixteen seventeen eighteen nineteen,twenty thirty forty fifty sixty seventy eighty ninety,twenty-one twenty-nine thirty-one thirty-nine forty-one forty-nine fifty-one fifty-nine sixty-one sixty-nine seventy-one seventy-nine eighty-one eighty-nine ninety-one ninety-nine,one hundred one hundred and one,Learn these numbers and find out the rules:,数字小结：,two - twelve - twenty,three - thirteen - thirty,four - fourteen - forty,five - fifteen - fifty,six - sixteen - sixty,seven - seventeen - seventy,eight - eighteen - eighty,nine - nineteen - ninety,one - ten - one hundred,基数词的记忆方法:,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:,5. 100 - 900:,6. 101 - 999:,_ hundred and,_,_,个位,十位,_,个位,Can you count these numbers in English?,1,2,3,4,5,6,7,8,9,10,11,1 2 3 4 5 6 7 8 9 10 11 12 20 21 22 23 24 25 26 27 28 29 13 30 31 32 33 34 35 36 37 38 39 14 40 41 42 43 44 45 46 47 48 49 15 50 51 52 53 54 55 56 57 58 59 16 60 61 62 63 64 65 66 67 68 69 17 70 71 72 73 74 75 76 77 78 79 18 80 81 82 83 84 85 86 87 88 89 19 90 91 92 93 94 95 96 97 98 99 100 101,1a,Listen and repeat.,Write the numbers in 1a next to the correct word. Which rows of numbers are in the wrong places?,1b,10,11,12,13,14,25,26,27,28,29,20,21,23,24,15,16,17,18,19,30,31,Listen and circle the numbers you hear in 1a.,1c,Listen again. Circle the things in the pictur