Rhifau Cardinal, Niferoedd Ordiniol

Niferoedd

Rhifau: Sut i ddweud- Ffracsiynau, Diffygion, sero, Cyfrifiadau llafar ...

Rhifau Cardinal


0 sero 1 un 2 dau 3 tri
4 pedwar 5 pump 6 chwech 7 saith
8 wyth 9 naw 10 deg 11 ar ddeg
12 deuddeg 13 deg tri 14 pedwar ar ddeg 15 pymtheg
16 un ar bymtheg 17 ar bymtheg 18 deunaw 19 ar bymtheg
20 ugain 21 un ar hugain 22 twenty-two 30 thirty
40 deugain 50 hanner deg 60 sixty 70 seventy
80 wyth deg 90 naw deg 100 cant
101 cant (ac) un
102 cant (a) dau 1,000 mil
10,000 deg mil 100,000 un cant mil
1,000,000 un miliwn 1,000,000,000 un biliwn

Rhifau Ordinalol

1st cyntaf 2nd ail 3rd trydydd 4fed pedwerydd 5fed pumed
6th chweched 7th seithfed 8th wythfed 9th nawfed 10th degfed
11th eleventh 12th twelfth 13th thirteenth 14th bedwareddenthth
15th fifteenth 16th sixteenth 17th seventeenth 18th ddeunawfed
19th bedwaredd ganrif ar bymtheg 20fed yr ugeinfed ar hugain 21st ar hugain ar hugain 22nd ar hugain ar hugain
30th 40th hugain rhan o ddeugain 50th hanner canfed 60th drigain oed 70th yn ddeg a thrigain
80th eightieth 90th ninetieth 100th un cantfed
101st cant (a) cyntaf 102nd cant (a) eiliad
1,000th un milfedfed 10,000th deg milfed 100,000th cant milth
1,000,000fed un miliwnfed 1,000,000,000fed un biliwnfed

1, 3, 5, 7, ac ati rhifau rhyfedd
2, 4, 6, 8, ac ati rhifau hyd yn oed

+ mwy
- minws
x gwaith
/ wedi'i rannu gan
= yn gyfartal

1 un
2 dau
3 tri
4 pedwar
Ewyllys 5
6 chwech
7 saith
8 wyth
9 naw
10 deg
11 ar ddeg
12 deuddeg
13 tri ar ddeg
14 pedwar ar ddeg
15 pymtheg
16 un ar bymtheg
17 ar bymtheg
18 deunaw
19 ar bymtheg
20 ugain
21 un ar hugain
22 ugain
30 ar hugain
40 deugain
50 hanner cant
60 chwe deg
70 saith deg
80 wyth deg
90 naw deg
100 a / cant
101 a / cant ac un
140 a / cant a deugain
200 dau gant na dau gannoedd
1,000 a / mil
1,050 a / mil a hanner cant
1,250 a / mil dau gant a hanner
2,000 dwy fil
100,000 a / cant cant
1,000,000 a / un miliwn
2,000,000 ddwy filiwn ddim dwy filiwn

Mewn niferoedd mawr (dros 999), ysgrifennwch goma (,) rhwng miloedd a channoedd, ee 11,000, a rhwng miliynau a miloedd, ee 3,000,000.