# Names for ordinal numbers facts for kids

Kids Encyclopedia Facts

Here are some words for small ordinal numbers. Words in bold are irregular.

 1 first 2 second 3 third 4 fourth 5 fifth 6 sixth 7 seventh 8 eighth 9 ninth
 11 eleventh 12 twelfth 13 thirteenth 14 fourteenth 15 fifteenth 16 sixteenth 17 seventeenth 18 eighteenth 19 nineteenth
 10 tenth 20 twentieth 30 thirtieth 40 fortieth 50 fiftieth 60 sixtieth 70 seventieth 80 eightieth 90 ninetieth

When writing other numbers between 21 and 99, only use the cardinal form of the last number. Also, you must use a hyphen (-).

• 21: twenty-first
• 64: sixty-fourth
• 99: ninety-ninth

The ordinal number 100 is written as "one hundredth", but sometimes people say "the hundredth".

To write a number from 100 to 999:

• First write how many hundreds.
• If nothing is left over, write the word "hundredth".
• If anything is left over, write the word "hundred", then write whatever is left over. Some times people use "and" to show the left overs.

Examples:

• 101: one hundred first
• 102: one hundred second (or one hundred and second)
• 175: one hundred seventy-fifth
• 200: two hundredth
• 300: three hundredth
• 512: five hundred twelfth
• 987: nine hundred eighty-seventh

You can also write ordinal numbers by writing the number, then the ending (-st, -nd, -rd, or -th) from above.

• 1st
• 2nd
• 3rd
• 4th
• 15th
• 63rd
• 80th
• 987th
• 2001st

## Related pages

Names for ordinal numbers Facts for Kids. Kiddle Encyclopedia.