[vc_row][vc_column][vc_column_text css=""]GCSE mathematics is often presented as a success story: participation is high, attainment compares well internationally, and the qualification is widely recognised. Yet, juxtaposed with this, adult numeracy levels in England remain poor. As the Chair of the Numeracy for Life Committee, Lord Agnew of Oulton, recently observed: “Whilst we appear to be performing well in maths for students, we also know that numeracy levels amongst adults are shockingly low, with approximately half of the adult population possessing the numeracy skills expected of an 11‑year‑old.” This raises a fundamental question: is GCSE mathematics fit for purpose?