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?
Julius Caesar used a cipher in 58BC to communicate with his generals. This was basically a code that he used to send secret messages that would not be able to be decoded by anyone else except for his generals. Each letter was replaced by another letter in the alphabet, however, this was calculated and specific so it could be decoded. This could be used to inspire and support a lesson about encoding and decoding messages as students would first watch a video about how the ‘Caesar Cipher’ worked. Then they can have a go at decoding various messages, and as an extension activity, students could write and encode their own messages to their peers.
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