Ordinal Numbers
| SECOND | FIFTH | TWELFTH | FOURTH | TENTH |
| EIGHTH | FIRST | ELEVENTH | SIXTH | TWENTY-FIRST |
| FIFTEENTH | TWENTIETH | THIRD | NINTH | SIXTEENTH |
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1. Numbers 2. Exercise* 3. How to say 4. Exercise 5. Exercise 6. Exercise - months 7. Months 8. Numbers |
9. Years 10. Years 11. Years 12. Dates : British 13. Dates : American 14. Exercise 15. Months
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http://brightsidecomic.com/2009/02/13/friday-the-13th/