What we learn in school past week ?

In past week we learn about this :

1. = the first
2. = the secound
3. = the third
4. = the forth
5. = the fifth
6. = the sixth
7. = the seventh
8. = the eighth
9. = the ninth
10. = the tenth
11.= the eleventh
12. =The twelveth
13.= the thirteenth
14 = the fourteenth
15. = the fifteenth
16. = the sixteenth
17.= the seventeenth
18.= the eigteenth
19. = the ninteenth
20 = the twentieth
30.= thirtieth

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