Ordinal numbers
Content
What are the ordinal numbers?
Are those numbers that indicate the position of an element corresponding to an ordered sequence.
Ordinal numbers from 1 to 100
Number |
Writing |
1st | First |
2nd | Second |
3rd | Third |
4th | Fourth |
5th | Fifth |
6th | Sixth |
7th | Seventh |
8th | Eighth |
9th | Ninth |
10th | Tenth |
11th | Eleventh |
12th | Twelfth |
13th | Thirteenth |
14th | Fourteenth |
15th | Fifteenth |
16th | Sixteenth |
17th | Seventeenth |
18th | Eighteenth |
19th | Nineteenth |
20th | Twentieth |
21st | Twenty-first |
22nd | Twenty-second |
23rd | Twenty-third |
24th | Twenty-fourth |
25th | Twenty-fifth |
26th | Twenty-sixth |
27th | Twenty-seventh |
28th | Twenty-eighth |
29th | Twenty-ninth |
30th | Thirtieth |
31st | Thirty-first |
32nd | Thirty-second |
33rd | Thirty-third |
34th | Thirty-fourth |
35th | Thirty-fifth |
36th | Thirty-sixth |
37th | Thirty-seventh |
38th | Thirty-eighth |
39th | Thirty-ninth |
40th | Fourtieth |
41st | Forty-first |
42nd | Forty-second |
43rd | Forty-third |
44th | Forty-fourth |
45th | Forty-fifth |
46th | Forty-sixth |
47th | Forty-seventh |
48th | Forty-eighth |
49th | Forty-ninth |
50th | Fiftieth |
51st | Fifty-first |
52nd | Fifty-second |
53rd | Fifty-third |
54th | Fifty-fourth |
55th | Fifty-fifth |
56th | Fifty-sixth |
57th | Fifty-seventh |
58th | Fifty-eighth |
59th | Fifty-ninth |
60th | Sixtieth |
61st | Sixty-first |
62nd | Sixty-second |
63rd | Sixty-third |
64th | Sixty-fourth |
65th | Sixty-fifth |
66th | Sixty-sixth |
67th | Sixty-seventh |
68th | Sixty-eighth |
69th | Sixty-ninth |
70th | Seventieth |
71st | Seventy-first |
72nd | Seventy-second |
73rd | Seventy-third |
74th | Seventy-fourth |
75th | Seventy-fifth |
76th | Seventy-sixth |
77th | Seventy-seventh |
78th | Seventy-eighth |
79th | Seventy-ninth |
80th | Eightieth |
81st | Eighty-first |
82nd | Eighty-second |
83rd | Eighty-third |
84th | Eighty-fourth |
85th | Eighty-fifth |
86th | Eighty-sixth |
87th | Eighty-seventh |
88th | Eighty-eighth |
89th | Eighty-ninth |
90th | Ninetieth |
91st | Ninety-first |
92nd | Ninety-second |
93rd | Ninety-third |
94th | Ninety-fourth |
95th | Ninety-fifth |
96th | Ninety-sixth |
97th | Ninety-seventh |
98th | Ninety-eighth |
99th | Ninety-ninth |
100th | one hundredth |
Content
Arithmetic Tutorials
- Arithmetic
- Number
- Natural
- Integer
- Rational
- Irrational
- Complex
- Even
- Odd
- Prime
- Decimal
- Ordinal
- Pi number
- Euler number
- Golden number
- Place value
- Sum
- Subtraction
- Multiplication
- Division
- Rule of signs
- Signs of greater and lesser
- Absolute value
- Fraction
- Multiples
- Least common multiple (lcdm)
- Divisor
- Greatest common divisor (gcd)
- Exponent
- Logarithm
- Root (square y cube)
- Factorial
- Percentage
- Rule of three