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  1. Subjects
  3. Computing
  5. Key stage 2
  7. Year 6
  9. Computing systems and networks: Bletchley Park and the history of computers
  11. Lesson 1: Secret codes

Lesson 1: Secret codes

Exploring a variety of different codes from simple Caesar ciphers to the Enigma code.

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In this unit

  • Assessment – Computing Y6: Bletchley Park and the history of computers

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  • Current lesson

    Lesson 1: Secret codes

  • Lesson 2: Brute force hacking

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  • Lesson 3: Computers of the past

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  • Lesson 4: Future computer

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  • Lesson 5: Audio adverts

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Created by: Kapow Team | Maintained by: Kapow team
Last update: 15 April 2026
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