The Number System of Welsh (Modern)

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The Number System of Welsh (Modern)

This page is based on Bilingualism and Number in Wales.

Welsh has two number systems, the traditional system and the modern system shown below, the latter becoming increasingly common. This is a good example of shifting to a straightforward decimal system.

Number	Reading	Meaning
0	?	-
1	un	1
2	dau	2
3	tri	3
4	pedwar	4
5	pump	5
6	chwech	6
7	saith	7
8	wyth	8
9	naw	9
10	deg	10
11	un deg un	1 × 10 + 1
12	un deg dau	1 × 10 + 2
13	un deg tri	1 × 10 + 3
14	un deg pedwar	1 × 10 + 4
15	un deg pump	1 × 10 + 5
16	un deg chwech	1 × 10 + 6
17	un deg saith	1 × 10 + 7
18	un deg wyth	1 × 10 + 8
19	un deg naw	1 × 10 + 9
20	dau ddeg	2 × 10^*
21	dau ddeg un	(2 × 10^*) + 1
22	dau ddeg dau	(2 × 10^*) + 2
23	dau ddeg tri	(2 × 10^*) + 3
24	dau ddeg pedwar	(2 × 10^*) + 4
25	dau ddeg pump	(2 × 10^*) + 5
26	dau ddeg chwech	(2 × 10^*) + 6
27	dau ddeg saith	(2 × 10^*) + 7
28	dau ddeg wyth	(2 × 10^*) + 8
29	dau ddeg naw	(2 × 10^*) + 9
30	tri deg	3 × 10
31	tri deg un	(3 × 10) + 1
32	tri deg dau	(3 × 10) + 2
33	tri deg tri	(3 × 10) + 3
34	tri deg pedwar	(3 × 10) + 4
35	tri deg pump	(3 × 10) + 5
36	tri deg chwech	(3 × 10) + 6
37	tri deg saith	(3 × 10) + 7
38	tri deg wyth	(3 × 10) + 8
39	tri deg naw	(3 × 10) + 9
40	pedwar deg	4 × 10
41	pedwar deg un	(4 × 10) + 1
42	pedwar deg dau	(4 × 10) + 2
43	pedwar deg tri	(4 × 10) + 3
44	pedwar deg pedwar	(4 × 10) + 4
45	pedwar deg pump	(4 × 10) + 5
46	pedwar deg chwech	(4 × 10) + 6
47	pedwar deg saith	(4 × 10) + 7
48	pedwar deg wyth	(4 × 10) + 8
49	pedwar deg naw	(4 × 10) + 9
50	pum deg	5^* × 10
51	pum deg un	(5^* × 10) + 1
52	pum deg dau	(5^* × 10) + 2
53	pum deg tri	(5^* × 10) + 3
54	pum deg pedwar	(5^* × 10) + 4
55	pum deg pump	(5^* × 10) + 5
56	pum deg chwech	(5^* × 10) + 6
57	pum deg saith	(5^* × 10) + 7
58	pum deg wyth	(5^* × 10) + 8
59	pum deg naw	(5^* × 10) + 9
60	chwe deg	6^* × 10
61	chwe deg un	(6^* × 10) + 1
62	chwe deg dau	(6^* × 10) + 2
63	chwe deg tri	(6^* × 10) + 3
64	chwe deg pedwar	(6^* × 10) + 4
65	chwe deg pump	(6^* × 10) + 5
66	chwe deg chwech	(6^* × 10) + 6
67	chwe deg saith	(6^* × 10) + 7
68	chwe deg wyth	(6^* × 10) + 8
69	chwe deg naw	(6^* × 10) + 9
70	saith deg	7 × 10
71	saith deg un	(7 × 10) + 1
72	saith deg dau	(7 × 10) + 2
73	saith deg tri	(7 × 10) + 3
74	saith deg pedwar	(7 × 10) + 4
75	saith deg pump	(7 × 10) + 5
76	saith deg chwech	(7 × 10) + 6
77	saith deg saith	(7 × 10) + 7
78	saith deg wyth	(7 × 10) + 8
79	saith deg naw	(7 × 10) + 9
80	wyth deg	8 × 10
81	wyth deg un	(8 × 10) + 1
82	wyth deg dau	(8 × 10) + 2
83	wyth deg tri	(8 × 10) + 3
84	wyth deg pedwar	(8 × 10) + 4
85	wyth deg pump	(8 × 10) + 5
86	wyth deg chwech	(8 × 10) + 6
87	wyth deg saith	(8 × 10) + 7
88	wyth deg wyth	(8 × 10) + 8
89	wyth deg naw	(8 × 10) + 9
90	naw deg	9 × 10
91	naw deg un	(9 × 10) + 1
92	naw deg dau	(9 × 10) + 2
93	naw deg tri	(9 × 10) + 3
94	naw deg pedwar	(9 × 10) + 4
95	naw deg pump	(9 × 10) + 5
96	naw deg chwech	(9 × 10) + 6
97	naw deg saith	(9 × 10) + 7
98	naw deg wyth	(9 × 10) + 8
99	naw deg naw	(9 × 10) + 9
100	cant	100

* Different form

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