Algebra and Ciphers 1
Introduces Ciphers - The Pigpen Cipher.
Encryption and decryption activities.
Extension activity based on steganography.
These activities use ciphers and World War 2 to introduce algebra. They were made to use in a Maths and History cross-curricular project.
Resources
I cannot remember (and couldn’t find again) where I got all of the the World War 2 messages from.
Stallings, W. (2011). Cryptography and Network Security, Fifth Edition, Prentice Hall.
www.cryptoclub.org is a website with a range of activities that is worth exploring for quick encryptions and decryptions.