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1、.,1,教学目标,基数词与序数词,.,2,什么是数词？,表示数目多少或顺序多少的词叫数词，数词分为基数词和序数词。表示数目多少的数词叫基数词；表示顺序的数词叫序数词。,.,3,one,three,four,five,six,seven,eight,基数词,two,.,4,seven,nine,eight,six,three,zero,two,one,four,five,.,5,numbers,seven,six,three,zero,nine,two,one,eight,four,five,.,6,Numbers are widely used.,Hello ， 86861873 -,.,7,
2、Lets count!,1-10 one two three four five six seven eight nine ten 11-19 eleven twelve thirteen forteen fifteen sixteen seventeen eighteen nineteen,.,8,Lets review,10,20,30,40,50,60,70,80,90,100,ten,thirty,forty,seventy,sixty,One hundred,fifty,ninety,twenty,eighty,.,9,Look and Read,100 one hundred,1,
3、000 one thousand,1,000,000 one million,1,000,000,000 one billion,.,10,100 2,000 30,000 400,000 5,000,00060,000,000700,000,000 8,000,000,000 90,000,000,000 100,000,000,000,Can you read them ?,hundred,thousand,million,billion,.,11,一百 一千 一万 十万 一百万 一千 万 一亿 十亿 一百亿 一千亿 数十/百/千/百万,看谁译得快：,onehundred onethous
4、and tenthousand onehundredthousand onemillion tenmillion onehundredmillion onebillion tenbillion onehundredbillion tens/ hundreds/thousands/ millions of,.,12,Step1:one hundred and twenty-three billion, Step2:four hundred and fifty-six million, Step3:seven hundred and eighty-nine thousand, Step4:one
5、hundred and three,103,789,456,123,.,13,625 six hundred and twenty-five 8,961 eight thousand, nine hundred and sixty-one 95,680 ninety-five thousand, six hundred and eighty,Look and Practice,.,14,Look and Practice,6,302,876 six million, three hundred and two thousand, eighty hundred and seventy-six 4
6、5,690,510,810 forty-five billion ,six hundred and ninety million, five hundred and ten thousand ,eight hundred and ten,.,15,Lets do a practice!,face to face number to number,.,16,one -first,two-second,three-third,four-fourth,five-fifth,six-sixth,seven-seventh,eight-eighth,nine-ninth,ten-tenth,序数词,.,
7、17,twenty-twentieth,thirty-thirtieth,forty-fortieth,fifty-fiftieth,sixty-sixtieth,seventy-seventieth,eighty-eightieth,ninety-ninetieth,.,18,tenth,ninth,eighth,seventh,sixth,fifth,fourth,third,second,first,.,19,ordinal numbers,tenth,ninth,eighth,seventh,sixth,fifth,fourth,third,second,first,.,20,一、二、
8、三，特殊记， 加th从4起， 八少“t”，九去“e”， “ve”要用“f”替，(five, twelve) 见“y”变成“i”和“e”，词尾加上“th”， (twenty,thirty,-ninety) 若是遇到几十几，只变个位就可以。,ordinal numbers(序数词 ),.,21,44,18,72,19,101,90,40,14,8,100,1000,Can you write their ordinal numbers?,2,5,12,9,.,22,December is the _ month of the year. Monday is the _ day of the wee
9、k. English is spoken by most people as their _ language in the USA, Great Britain, Australian, and Canada. The Games of the _ Olympic in 2008 will be held in the city of Beijing. Im hungry. Ive eaten three apples. Would you please give me a_ one? At the beginning of the _ century the worlds population has passed 6 billion. He got off this bus and got on a _ one.,twelfth,second,first,twenty-ninth,fourth,twenty-first,second,Practice:,.,23,Thank You !,