Maths vs. Math
This is a regional abbreviation difference rather than a meaning difference. In formal contexts, “mathematics” works in both varieties.
“Maths” is the ordinary shortened form of “mathematics” in UK English; “math” is the ordinary US form. Both refer to the same subject.
Key details
Choose the right form
| Meaning / context | Use | Decision |
|---|---|---|
| UK English shortened form | maths | Use the standard UK form. |
| US English shortened form | math | Use the standard US form. |
| formal or cross-regional context | mathematics | The full form avoids the regional abbreviation choice. |
Quick tests
Decision test
Is your text clearly following UK or US English?
If yes: Use “maths” for UK English and “math” for US English.
If no: Use “mathematics” when a neutral formal full form is preferable.
Caveat: Treat both shortened forms as regional conventions, not as universal correctness rules.
Examples
Maths was my favourite subject at school.
The UK shortened form is appropriate.
Math is my first class today.
The US shortened form is appropriate.
The course introduces the mathematics of probability.
The full form works across varieties.
Further guidance
Core difference
Use the standard UK form.
Fast Test
Use “maths” for UK English and “math” for US English. Use “mathematics” when a neutral formal full form is preferable.
Usage Boundary
Treat both shortened forms as regional conventions, not as universal correctness rules.
Sources and evidence
Sources are shown with the role they play in this guide. Historical or style-sensitive claims are kept within the evidence boundary described above.
- maths (opens in a new tab)Cambridge University Press · Maths is the UK informal/ordinary shortened form of mathematics, with US math identified as the counterpart.
- math (opens in a new tab)Cambridge University Press · Math is the US shortened form of mathematics, with UK maths identified as the counterpart.