SUBJECTS: Maths
YEARS: F–2, 5–6
Decrypt the ancient cipher box used by Julius Caesar over 2,000 years ago!
By shifting the alphabet or replacing one letter for another further down the alphabetical sequence, you can crack a coded message.
The secret to a cipher is one special piece of shared information, known as a key.
This shared key is required for two parties to encrypt and decrypt messages.
Acknowledgements
Video © GAPC Entertainment.
Date of broadcast: 3 Sep 2018
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