
اعداد را می توان به دو دسته اصلی تقسیم بندی کرد: اعداد اصلیCardinal Numbers که همان اعداد معمولی ( 1-2-3-4-5-... )هستند و اعداد ترتیبیOrdinal Numbers که ترتیب قرار گرفتن چیزی را در یک ردیف یا سـری نشان می دهد (مثلا "هفتم").
Cardinal Numbers اعداد اصلی |
0 |
zero, nought |
1 |
one  |
2 |
two  |
3 |
three  |
4 |
four  |
5 |
five  |
6 |
six  |
7 |
seven  |
8 |
eight  |
9 |
nine  |
10 |
ten  |
11 |
eleven  |
12 |
twelve  |
13 |
thirteen  |
14 |
fourteen  |
15 |
fifteen  |
16 |
sixteen  |
17 |
seventeen  |
18 |
eighteen  |
19 |
nineteen  |
20 |
twenty  |
30 |
thirty  |
40 |
forty  |
50 |
fifty  |
60 |
sixty  |
70 |
seventy  |
80 |
eighty  |
90 |
ninety  |
100 |
a hundred  (one hundred) |
1,000 |
a thousand  |
10,000 |
ten thousand  |
100,000 |
a hundred thousand |
1,000,000 |
a million  |
1,000,000,000 |
a billion  |
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 یک نکته
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اعدادی که بعد از hundred می آیند، در انگلیسی بریتانیایی با andهمراه می شوند ولی در انگلیسی آمریکایی معمولا and را به کار نمی برند:
British English 120 = one hundred and twenty
American English 120 = one hundred twenty
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