Unit 3: Task

What other interesting examples of codes from history or the modern-day (digital or non-digital) can you find to inspire or support a lesson about encoding and decoding messages?

Designing a lesson around Caesar Cipher will hopefully get students excited about coding and decoding messages.

It is a simple substitution cipher, where each letter corresponds to another letter a certain number of positions forward or backward in the alphabet. Julius Caesar used the cipher when sending military communications.

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