11.9.1 Table: cardinals, ordinals

	Cardinals	Ordinals
0	nought, zero¹
1	one	first²
2	two	second²
3	three	third²
4	four	fourth
5	five	fifth
6	six	sixth
7	seven	seventh
8	eight	eighth
9	nine	ninth
10	ten	tenth
11	eleven	eleventh
12	twelve	twelfth
13	thirteen	thirteenth
14	fourteen	fourteenth
15	fifteen	fifteenth
16	sixteen	sixteenth
17	seventeen	seventeenth
18	eighteen	eighteenth
19	nineteen	nineteenth
20	twenty	twentieth
21	twenty-one	twenty-first²
22	twenty-two	twenty-second²
23	twenty-three	twenty-third²
24	twenty-four	twenty-fourth
25	twenty-five	twenty-fifth
26	twenty-six	twenty-sixth
27	twenty-seven	twenty-seventh
28	twenty-eight	twenty-eighth
29	twenty-nine	twenty-ninth
30	thirty	thirtieth
40	forty	fortieth
50	fifty	fiftieth
60	sixty	sixtieth
70	seventy	seventieth
80	eighty	eightieth
90	ninety	ninetieth
100	one hundred	hundredth
123	one hundred and twenty three	one hundred and twenty-third
200	two hundred	two hundredth
239	two hundred and thirty nine	two hundred and thirty ninth
1,000	one thousand	thousandth
1,985	one thousand nine hundred and eighty-five	one thousand nine hundred and eighty-fifth
2,000	two thousand	two thousandth
10,000	ten thousand	ten thousandth
100,000	one hundred thousand	one hundred thousandth
1,000,000	one million	millionth
1000,000,000	one billion	billionth

1 Nought, zero
2 i thirty-first, forty-second, fifty-third, etc.

Números ordinals

Cal afegir th per fer el numero ordinal:
p.ex:

Número		Número ordinal
4 (four)		fourth
6 (six)		sixth
7 (seven)		seventh
10 (ten)		tenth
100 (hundred)		hundredth

Alguns números ordinals són irregulars

p.ex:

Número		Número ordinal
1 (one)		first
2 (two)		second
3 (three)		third
5 (five)		fifth
8 (eight)		eighth
9 (nine)		ninth
12 (twelve)		twelfth
20 (twenty)		twentieth
35 (thirty-five)		thirty-fifth

El número 0 té diferents noms (o pronunciacions) en diferents contextos:

Matemàtiques: en general nought.

En els números de telèfon es pronuncia com la lletra o zero; en els decimals es pronuncia 0, p. ex.:

gramref_174"> 174 174	2.05	two point o five
gramref_175"> 175 175	4.60	four point six o
gramref_176"> 176 176	15.03	fifteen point o three
gramref_303"> 303 303	206 43 50 ¹	two, o/zero, six, four, three, five o/zero
gramref_304"> 304 304	896 29 00 ¹	eight, nine, six, two, nine, double o/zero
gramref_305"> 305 305	406 33 59 ¹	Four, o/zero, six, three, three, five, nine

¹ Alguns fan servir zero quan es tracta de números de telèfon.

Física, el temps: normalment zero, p. ex.:

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absolute zero; two degrees below zero

Futbol, rugbi: nil, p. ex.:

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Real Madrid nil, Barcelona five

Decimals

Els decimals es pronuncien xifra per xifra, p. ex.:

gramref_177"> 177 177	2.25	two point two five (Error: two point ~~twenty-five~~)
gramref_178"> 178 178	1.375	one point three seven five.
gramref_179"> 179 179		four point six recurring

Paraules relacionades amb els nombres

	Times (vegades)	Levels (nivells)		Musical group	Babies
1	once ¹	primary	single	solo
2	twice ¹	secondary	double	duet	twin
3	three times	tertiary	triple	trio	triplet
4	four times			quartet	quadruplet
5	five times			quintet	quintuplet

¹ també one time, two times.