Ordinal numbers tell the position or order of objects. 

If ten students ran a race, the student that ran the fastest would be in first place, the next student would be in second place, and then there would be third, fourth, fifth, sixth, seventh, eighth, ninth and tenth places.

The first ten ordinal numbers are:

• First
• Second
• Third
• Fourth
• Fifth
• Sixth
• Seventh
• Eighth
• Ninth
• Tenth

The next ten ordinal numbers are:

• Eleventh
• Twelfth
• Thirteenth
• Fourteenth
• Fifteenth
• Sixteenth
• Seventeenth
• Eighteenth
• Nineteenth
• Twentieth