University of Cambridge offers this website, Mathematics Enrichment (nrich), with problems, games and articles on mathematics for students ages 5 to 19. The problems are organized by Tiers (1 to 3) and follow the UK education system, but a guide for international educators is given in the Help section. Each problem includes a question, related resources, pictures or diagrams, a form for students to submit their solution, hints for students having difficulty, and notes for parents and teachers. The website is updated monthly and offers a weekly problem. This months theme is the mathematics of making journeys, with the path of the Olympic Torch as an intriguing lead-in to the topic. Registered users can pose questions and post messages in the discussion forum, both of which are also viewable by non-registered viewers. Registration is simple and does not cost anything.


  • Mathematics > General
  • Education > General

Education Levels:

  • Grade 1
  • Grade 2
  • Grade 3
  • Grade 4
  • Grade 5
  • Grade 6
  • Grade 7
  • Grade 8
  • Grade 9
  • Grade 10
  • Grade 11
  • Grade 12


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