Ordinal numbers

We want to classify the numbers in:

- Cardinal numbers: one, two, three...

- Ordinal numbers: first, second, third....

For the mathematics class, we need to know the ordinal numbers since first to twentieth. These are:

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

And finally, we show a web page to practice the phonetic:

http://www.ompersonal.com.ar/omexpress/numerosymedidas/numeroscardinalesyordinales.htm

See you soon!