Which is correct: "math" or "maths"?

Which one is considered correct? I say "math", however I believe I heard somewhere that "maths" is correct. Also, should it (and "mathematics") be capitalized or not?


This is simple:

  • Math is American English.
  • Maths is British English.

It is a common noun and should only be capitalized at the beginning of a sentence.


This is meant to be added to nohat's response but I can't seem to add comments (yet).

The words "math" and "maths" are both abbreviations of "mathematics" and are dictated by your local variation of English.