1. 基数词
one, two, three, four, five, six, seven, eight, nine, ten
1 2 3 4 5 6 7 8 9 10
eleven, twelve, thirteen, fourteen, fifteen
11 12 13 14 15
sixteen seventeen eighteen nineteen
16 17 18 19
twenty, thirty, forty, fifty, sixty, seventy, eighty, ninety
20 30 40 50 60 70 80 90
a hundred, a thousand,a million, a billion
100 1000 1,000,000 1,000,000,000
twenty-eight,fifty-six
28 56
seventy-one, ninety-five
71 95
one hundred and thirty-five, three hundred and two
135,302
six hundred and forty-nine, nine hundred and six
649 906
two thousand, two hundred and seventy-six
2276
sixteen thousand, five hundred and thirty
16,530
four million, eight hundred and two thousand
4,802,000
six billion three hundred million
6,300,000,000
2. 序数词
first, second, third, fourth, fifth, sixth, seventh, eighth, ninth
1 2 3 4 5 6 7 8 9
tenth, eleventh, twelfth, thirteenth, fourteenth, fifteenth
10 11 12 13 14 15
sixteenth, seventeenth, eighteenth, nineteenth
16 17 18 19
twentieth, thirtieth, fortieth, fiftieth
20 30 40 50
sixtieth, seventieth, eightieth, ninetieth
60 70 80 90
fifth, eighth, ninth, twelfth
5 8 9 12
twenty-fifth, sixty-eighth
25 68
one hundred and twenty-first
121
three hundred and sixtieth
360
3. 分数词
one-third, three-fourths
1/3 3/4
two-sevenths, five-twelfths
2/7 5/12
one percent, five percent
1% 5%
twenty percent, one hundred percent
20% 100%
zero point five, six point nine
0.5 6.9
zero point zero three, twelve point five one seven
0.03, 12.517
4. 基数词与序数词的互换
paragraph one / the first paragraph
第一段
chapter three / the third chapter
第三章
part ten / the tenth part
第十部分
lesson twenty-nine / the twenty-ninth lesson
第二十九课