Free problem-solving resources from the University of Cambridge for students aged 16–19. Covers enrichment topics beyond the syllabus — combinatorics, proof, number theory, geometry — with a low-threshold/high-ceiling philosophy. Students can submit solutions for publication on the NRICH website.
Who can apply
Anyone; post-16 students (JC/IB level) particularly suited
What you get
Portfolio piece
Frequently asked
Who runs this?+
Run by University of Cambridge (NRICH). More on their website.
Who can apply?+
Anyone; post-16 students (JC/IB level) particularly suited