"Maths" is the standard term outside of North America, as far as I know. I'm Irish, and "math" has always sounded odd. It seems that "maths" is the semanticall

"Maths" is the standard term outside of North America, as far as I know. I'm Irish, and "math" has always sounded odd. It seems that "maths" is the semantically correct option. To take your quote, "do the math" expands to "do the mathematic" - which is surely wrong.