clwb malu cachu - numerals (original) (raw)

useful phrases - numerals

There are two number systems in Welsh - the decimal system and the older vigesimal system. The decimal system is more commonly used now, although certain words from the older vigesimal system are still in common usage, especially when telling the time. Be thankful, though, that decimal is so popular, so you don't have to learn pedwar ar bymtheg ar bedwar hugain for ninety nine!

Notes:

cardinal numerals ordinals (1st, 2nd etc.)
decimal system vigesimal system
0 dim
1 un (m), un (f, SM) cyntaf 1af
2 dau (m), dwy (f, SM) ail 2il
3 tri (m, AM), tair (f) trydydd (m), trydedd (f) 3ydd /3edd
4 pedwar (m), pedair (f) pedwerydd (m), pedwaredd (f) 4ydd /4edd
5 pum(p) pumed 5ed
6 chwe(ch) chweched 6ed
7 saith seithfed 7ed
8 wyth wythfed 8fed
9 naw nawfed 9fed
10 deg degfed 10fed
11 undeg un un ar ddeg unfed ar ddeg 11eg
12 undeg dau deuddeg* deuddegfed 12fed
13 undeg tri tri ar ddeg trydydd ar ddeg 13eg
14 undeg pedwar pedwar ar ddeg pedwerydd ar ddeg 14eg
15 undeg pump pymtheg* pymthegfed 15fed
16 undeg chwech un ar bymtheg unfed ar bymtheg 16eg
17 undeg saith dau ar bymtheg ail ar bymtheg 17eg
18 undeg wyth deunaw deunawfed 18fed
19 undeg naw pedwar ar bymtheg pedwerydd ar bymtheg 19eg
20 dauddeg ugain* ugeinfed 20fed
21 dauddeg un un ar hugain unfed ar hugain 21ain
22 dauddeg dau dau ar hugain ail ar hugain 22ain
23 dauddeg tri tri ar hugain trydydd ar hugain 23ain
24 dauddeg pedwar pedwar ar hugain pedwerydd ar hugain 24ain
25 dauddeg pump pump ar hugain pumed ar hugain 25ain
26 dauddeg chwech chwech ar hugain chweched ar hugain 26ain
27 dauddeg saith saith ar hugain seithfed ar hugain 27ain
28 dauddeg wyth wyth ar hugain wythfed ar hugain 28ain
29 dauddeg naw naw ar hugain nawfed ar hugain 29ain
30 trideg deg ar hugain degfed ar hugain 30ain
31 trideg un un ar ddeg ar hugain unfed ar ddeg ar hugain 31ain
32 trideg dau deuddeg ar hugain after 31st, use either just the number or rhif plus the number, e.g. rhif pedwardeg tri - forty third. Traditional ordinals do exist and follow the same pattern as above, but aren't always used. Exceptions are hundredth, thousanth, millionth and billionth.
33 trideg tri tri ar ddeg ar hugain
34 trideg pedwar pedwar ar ddeg ar hugain
35 trideg pump pymtheg ar hugain
36 trideg chwech un ar bymtheg ar hugain
37 trideg saith dau ar bymtheg ar hugain
38 trideg wyth deunaw ar hugain
39 trideg naw pedwar ar bymtheg ar hugain
40 pedwardeg deugain
41 pedwardeg un un a deugain
42 pedwardeg dau dau a deugain
43 pedwardeg tri tri a deugain
44 pedwardeg pedwar pedwar a deugain
45 pedwardeg pump pump a deugain
46 pedwardeg chwech chwech a deugain
47 pedwardeg saith saith a deugain
48 pedwardeg wyth wyth a deugain
49 pedwardeg naw naw a deugain
50 pumdeg hanner cant
51 pumdeg un hanner cant ac un
52 pumdeg dau hanner cant a dau
53 pumdeg tri hanner cant a thri
54 pumdeg pedwar hanner cant a phedwar
55 pumdeg pump hanner cant a phump
56 pumdeg chwech hanner cant a chwech
57 pumdeg saith hanner cant a saith
58 pumdeg wyth hanner cant ac wyth
59 pumdeg naw hanner cant a naw
60 chwedeg trigain
61 chwedeg un un a thrigain
62 chwedeg dau dau a thrigain
63 chwedeg tri tri a thrigain
64 chwedeg pedwar pedwar ar thrigain
65 chwedeg pump pump a thrigain
66 chwedeg chwech chwech a thrigain
67 chwedeg saith saith a thrigain
68 chwedeg wyth with a thrigain
69 chwedeg naw naw a thrigain
70 saithdeg deg a thrigain
71 saithdeg un un ar ddeg a thrigain
72 saithdeg dau deuddeg a thrigain
73 saithdeg tri tri ar ddeg a thrigain
74 saithdeg pedwar pedwar ar ddeg a thrigain
75 saithdeg pump pymtheg a thrigain
76 saithdeg chwech un ar bymtheg a thrigain
77 saithdeg saith dau ar bymtheg a thrigain
78 saithdeg wyth deunaw a thrigain
79 saithdeg naw pedwar a bymtheg a thrigain
80 wythdeg pedwar ugain
81 wythdeg un un a phedwar ugain
82 wythdeg dau dau a phedwar ugain
83 wythdeg tri tri a phedwar ugain
84 wythdeg pedwar pedwar a phedwar ugain
85 wythdeg pump pump a phedwar ugain
86 wythdeg chwech chwech a phedwar ugain
87 wythdeg saith saith a phedwar ugain
88 wythdeg wyth wyth a phedwar ugain
89 wythdeg naw naw a phedar ugain
90 nawdeg deg a phedwar ugain
91 nawdeg un un ar ddeg a phedwar ugain
92 nawdeg dau deuddeg a phedwar ugain
93 nawdeg tri tri ar ddeg a phedwar ugain
94 nawdeg pedwar pedwar ar ddeg a phedwar ugain
95 nawdeg pump pymtheg a phedwar ugain
96 nawdeg chwech un ar bymtheg a phedwar ugain
97 nawdeg saith dau ar bymtheg a phwedwar ugain
98 nawdeg wyth deunaw a phedwar ugain
99 nawdeg naw pedwar ar bymtheg ar bedwar hugain /cant namyn un

| 100 | cant (cannoedd) | | canfed | | | --- | --------------- | ------------- | ------ | | | 101 | cant ac un | | | | | 102 | cant a dau | | | | | 120 | cant dauddeg | cant ac ugain | | | | 200 | dau gant | | | | | 300 | tri chant | | | | | 400 | pedwar cant | | | | | 500 | pum cant | | | | | 600 | chwe chant | | | | | 700 | saith cant | | | | | 800 | wyth cant | | | | | 900 | naw cant | | | |

1,000 mil (miloedd) milfed
1,000,000 miliwn (miliynau) miliynfed
1000,000,000 biliwn (biliynau) biliynfed

| fractions | | | | -------------- | --------------- | | | half | hanner (haneri) | | | third | traean | | | two thirds | dau draean | | | quarter | chwater, (-i) | | | two quarters | dau chwater | | | three quarters | tri chwater | | | fifth | pumed | | | two fifths | dau bumed | | | three fifths | tri phumed | | | four fifths | pedar pumed | | | six | chweched | | | two sixths | dau chweched | | | etc. | | |

get the text document

[back]