24 questions...
..one final challenge..
..and one winning team.


Students who take part are so engaged and excited by it, every year. They live and breathe it for the duration. And they learn so much from being involved in it.


Maths teacher

  Ritangle is a competition for teams of students aged 16 - 18 of A level Mathematics, the International Baccalaureate and Scottish Highers (or qualifications with equivalent content)

  No knowledge of mathematics beyond A level Mathematics required

  Twenty-four questions released on weekdays provide information needed for the final challenge.

  Correct answers to these questions are needed to solve the final question.

  Download a classroom poster about Ritangle

  Registration for Ritangle 2020 will open on Monday 5th October 2020, when the first question will be released.

  The final (multi-part) question will be made available at 4.00pm on Tuesday 8th December 2020.

  The prize? A maths hamper, including a free year long subscription to Integral, and trophy for the school or college of the winning team!

Many thanks to Maplesoft and Hodder Education for their donations to the hamper, more of the contents of the hamper will be revealed during the competition.


Creative, challenging, innovative - Ritangle nurtured teamwork, enthusiasm, resilience. Absolutely loved it


Maths teacher

Ritangle information

  How technology can help with some Ritangle questions

  Some Frequently Asked Questions about Ritangle

  The prize hamper so far!

  Teachers' comments about Ritangle

Questions from previous competitions

  Ritangle 2019 questions

     Ritangle 2019 questions 1 - 25 (ppt file).

     Full solution to Ritangle 2019.

  Previous Ritangle questions

     Ritangle 2018 Questions

     Ritangle 2018 Answers to questions 1 to 25

     Ritangle 2017 Questions

     Ritangle 2017 Answers to questions 1 to 20

     Ritangle 2016 Questions

     Ritangle 2016 Answers to questions 1 to 22

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