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The Dame Kathleen Ollerenshaw Mathsbombe logo
From the people behind the Alan Turing Cryptography Competition.
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The Puzzles
Due: Wed 29 Jan, 4 pm
Countdown clock:
Due: Wed 12 Feb, 4 pm
Due: Wed 26 Feb, 4 pm
Due: Wed 11 Mar, 4 pm
Due: Wed 25 Mar, 4 pm


Click one of the links below to register to take part in the MathsBombe Competition. Please have a read through the Rules and the FAQ before you start the registration process. (You will be asked to confirm you did during the registration). If you do not want to register this year, you can sign up to our email list to be alerted to future competitions.
  1. Register a new team if
    • you want to register a new team
    • you and your team mates satisfy the required conditions to be eligible for the prizes (check the Rules for this)
    • your teacher has already provided you with a school registration code
    After you have successfully completed the registration, your team mates can register to join the team by picking Join an existing team below.

  2. Join an existing team if you want to join a team that was already registered by one of your team mates. If you choose this option then the person who registered the team you want to join will have to confirm (s)he is happy for you to do so.
  3. Register as a teacher if you are a teacher and would like a school registration code to enable your pupils to take part in the competition.
MathsBombe Competition 2020 is organised by the The Department of Mathematics at the University of Manchester.
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