- En Bra Start, Mattecentrum
- 3611 people
- Sweden (Gävle)
The largest maths class involved 3,611 participants and was organised by Mattecentrum and En Bra Start (both Sweden) in Gävle, Sweden, on 18 November 2015.
The class took place in the Gävle ice hockey stadium and focussed on the Singaporean maths teaching technique.