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TESOL EVO 2020 Escape the Classroom! - Using Ciphers

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TESOL EVO 2020 Escape the Classroom! - Using Ciphers

  1. 1. Escape Room ELT Live Escape Rooms Ciphers and coded messages graham.stanley@gmail.com https://escaperoomelt.wordpress.com
  2. 2. Ciphers and coded messages What is a cipher? What is the difference between cipher and code? Can you list some of the different types of cipher? Have you ever used ciphers for language learning?
  3. 3. Codes vs Ciphers A code operates on semantics, meaning. A code requires a codebook where words or phrases are assigned other meanings. A cipher does not involve meaning – it operates on syntax, symbols. Ciphers are usually performed on individual or small chunks of letters. https://www.khanacademy.org/computing/computer- science/cryptography/ciphers/a/ciphers-vs-codes
  4. 4. There is an art to sending coded messages and there is also long tradition of using coded messages in ELT. Here are some ideas of how you can use them in class: Secret Code game Teaching languages with ciphers Secret Code Secret Messages Cryptography as a teaching tool Cryptology for Kids Codes and Ciphers https://wordpress.com/page/escaperoomelt.wordpress.com/109
  5. 5. #jackboom and the bomb An example ELT Escape Room cipher activity for Advanced learners
  6. 6. The city is being terrorised by #jackboom, a deranged explosives expert who delights in setting booby-trapped bombs. You are the city’s crack anti- explosive team and are called by the police to the 42nd floor of a high-rise building to defuse the latest bomb that #jackboom has planted.
  7. 7. A red and blue wire leads from the mechanism to the bomb. The countdown has not started yet, but the clock shows less than a minute is left before it the bomb will explode. The mechanism on the bomb that #jackboom planted looks simple enough. There is a timer – it looks like when it reaches 00:00:00 the bomb will explode.
  8. 8. On the back of the bomb there is a keypad where you can input numbers and then press ‘Enter’. The keypad won’t accept letters. Next to the keypad are four symbols and spaces below where the numbers appear when you enter them. Do you recognise all of the symbols?
  9. 9. #jackboom
  10. 10. #jackboom
  11. 11. #jackboom
  12. 12. Suddenly the count down starts and the picture disappears. You have less than a minute to go before the bomb explodes. What number do you key in?
  13. 13. #jackboom and the bomb Suggested follow-up activities: • Role-play debrief to pólice chief • Write a report of the incident • You capture #jackboom – interrogate him
  14. 14. Escape Room ELT Live Escape Rooms Ciphers and coded messages graham.stanley@gmail.com https://escaperoomelt.wordpress.com

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