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Unscrambling a Secret Message

Bands: Years 5-6, 7-8

Duration: 1 hour

Can you unscramble the hidden message?

Unscramble a hidden message by figuring out missing letters in common words. This activity uses a a substitution cipher, and students can go on to create their own hidden messages. Substitution ciphers are an example of encryption, which is used when data needs to be sent securely.

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Curriculum Concepts

Key concept

F-2 3-4 5-6 7-8 9-10
Digital systems
(ACTDIK001) (ACTDIK007) (ACTDIK014) (ACTDIK023) (ACTDIK034)

Linked resources

Cryptography: Cipher Wheels

Learn the basics of encryption through simple activities that convert plain text into simple ciphertexts.

Data encryption

Learn how data is protected using encryption.