What does math mean?
“Math” is an informal, widely used term for mathematics, especially in North American English and school contexts. It denotes the study and application of numbers, quantities, relationships, space, and change, and is used for both the subject as a whole and, more informally, a particular calculation or set of calculations. In British English, “maths” is the standard form, while “math” remains common in informal speech. The short form is especially associated with classrooms, homework, teachers, and children’s learning, although it appears naturally in conversations among adults as well. Because it is less formal than “mathematics,” it suits explanations, teaching, and everyday references to problems or numerical reasoning. In plural-looking forms such as “maths,” the concept remains a mass noun rather than normally being counted as separate items.
The abbreviated and informal name for mathematics, especially the subject taught in schools.
"He is good at math but finds geometry less intuitive."
Common in North American English and informal usage; “maths” is standard in British English.
To calculate or work out the answer to a problem, especially by using mathematical reasoning.
"They mathed out how much the trip would cost before booking it."
Informal and less common as a verb; “calculate” or “work out” is usually more natural.
Although “maths” looks plural, it is normally an uncountable mass noun in British English, referring to mathematics as a subject.
"The children are doing maths this morning."
Shortening a field to three letters made mathematics feel like something everyone could carry in their school timetable.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Where does math come from?
The word is an informal clipping of “mathematics,” which comes through Latin from Greek mathematikē, related to mathēmos, meaning “learned” or “acquired knowledge.” The familiar shortened form “math” became established in North American English during the 19th century. “Maths” is the corresponding form favored in British English, while “mathematics” remains the formal or international term.
Related word forms
How math is actually used
“Math” is informal and especially common in North American English. In British English, “maths” is standard, although “math” is understood and used informally. The word is usually an uncountable subject noun, but informal uses such as “do some math” can refer to a specific calculation.
Easily confused with math
“Math” is the usual informal term in North American English, while “maths” is standard in British English and is also common in other varieties.