Maths and Math are both abbreviations of the word "mathematics", which refer to mathematics and have the same meaning; But the main application fields are different; Mathematics is American English, which is mainly used in the United States; Mathematics is British English, which is mainly used in Britain.
The full name of the English word "mathematics" is mathematics. "-ics" is a common suffix here.
Matters needing attention
"Mathematics" means "systematic treatment of the relationship between quantity, figure and form and the relationship between quantities expressed by symbols".
It should be noted here that although "s" and "relations/relations" are mentioned many times in its meaning, the verbs that match them must be in singular form.