Don't forget to include the word "and" for numbers not ending in 00.

Common words:

• First, second, third, fourth, fifth, sixth, seventh, eighth, ninth
• Tenth, eleventh, twelfth, thirteenth, fourteenth, fifteenth, sixteenth, seventeenth, eighteenth, nineteenth
• Twentieth, thirtieth, fortieth, fiftieth, sixtieth, seventieth, eightieth, ninetieth
• Hundredth
• Thousandth