人教版七年级上册英语unit7 How much are these socks?自制课件B 1A-1E

Unit 7 How much are these socks? B 1a-1e Copyright 2004-2015 版权所有 盗版必究 How much is that hat? It’s five dollars. How much is/are…? It’s… /They’re… $7 $5 $6 $3 $9 $8 ten eleven twelve thirteen fourteen four + teen → sixteen seventeen nineteen fifteen eighteen 10 11 12 13 14 15 18 16 17 19 Numbers 10-19 10-19: ①10,11,12逐一记忆 ②13--19：以teen结尾 14,16,17,19:个位数+teen 13(thirteen),15(fifteen), 18(eighteen) 90 twenty thirty forty 20 30 40 50 60 80 70 fifty sixty seventy eighty ninety 20-90整十数: ①以ty结尾 ②60,70,90:十位数字+ty 20(twenty),30(thirty) 40(forty),50(fifty),80(eighty) twenty-one twenty-two thirty-one 78 55 21 22 31 43 forty-three fifrty-five senenty-eight 几十几: 先说几十，再说几， 中间加上“—” 100 500 895 604 one hundred five hundred six hundred and four eight hundred and ninety-five 几百零几: hundred and 。 百位数 个位数 100-900（整百数）: hundred 百位数 几百几十几: hundred and 。 百位数 几十几 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: 几十 _+ 几 5: 100---900: ___ hundred 6: 101---999: ___ hundred and __ 个位 几十 __ _+ 几 1a Listen and repeat. 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 Write the numbers in 1a next to the correct words. Which rows of numbers are in the wrong places? 1b 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 ____ 10 11 12 13 14 25 26 27 28 29 20 21 23 24 22 15 16 17 18 19 30 31 Listen and circle the numbers you hear in 1a. 1c 10 11 12 13 14 15