maths vs mathematics

maths and mathematics both are nouns.

Word	Noun	Adjective	Verb	Adverb
maths	Yes	No	No	No
mathematics	Yes	No	No	No

As nouns, maths and mathematics are synonyms defined as:

maths and mathematics: a science (or group of related sciences) dealing with the logic of quantity and shape and arrangement

Other synonyms of maths include math.

maths (noun)	mathematics (noun)
a science (or group of related sciences) dealing with the logic of quantity and shape and arrangement	a science (or group of related sciences) dealing with the logic of quantity and shape and arrangement