四年级上册英语课件-Unit 9It’s one hundred3_湘少版.ppt

1、 Try to count the numbers（数一数钟面上的数字）1 one 2 two 3 three 4 four5 five 6 six 7 seven 8 eight 9 nine 10 ten11 eleven 12 twelve13 thirteen 14 fourteen15 fifteen 16 sixteen17 seventeen 18 eighteen19 nineteen13-19数词构成方法：在有关的个位数词词尾加-teenLets read123 4 5678910111213 141516171819onetwothreefourfive sixsevene

2、ight nine teneleventwelve thirteenfourteen fifteen sixteenseventeen eighteen nineteenRead and count19+1=20nineteenand oneistwentytwentythirtyfortyfiftysixtyseventyeightyninetyone hundredrightwronghomework20 twenty30 thirty40 forty50 fifty60 sixty70 seventy80 eighty90 ninety100 a hundred整十位数数词20-90构成

3、：个位数词词尾加-ty12+8=24+6=38+2=42+8=53+7=67+3=71+9=82+8=99+1=Lets readtwenty sixtythirty seventyforty eightyfifty ninetyone hundred homeworkright wrongTwenty and one is twenty-one.20+1=2120+2=22Twenty and two istwenty-two.十位数数词构成：整十位数数词后加个位数词，中间用连字符号“-”连接。twenty-two twenty-three twenty-four twenty-fivetwenty-six twenty-seventwenty-eight twenty-nineCan you say it in English?2132435465twenty-onethirty-twoforty-threefifty-foursixty-five76879899100seventy-sixeighty-sevenninety-eightninety-nineone hundred