Shows you the formula to find any ordinal number, using the ordinal number suffixes. We start by comparing the cardinal numbers to the ordinal numbers.
Rules - If a number ends in:
1, the ordinal number suffix is “st”
2, the ordinal number suffix is “nd”
3, the ordinal number suffix is “rd”
4, 5, 6, 7, 8, 9, 0, the ordinal number suffix is “th”
Ordinal Numbers Calculator:
https://www.mathcelebrity.com/ordinal-number-calculator.php
