Curated OER
Fundamental Algebraic Skills
In this fundamental algebraic skills worksheet, students solve 11 various problems that include various algebraic skills. First, they use the coded wheel to answer 2 questions about a message. Then, students substitute the given numbers...
Shodor Education Foundation
Caesar Cipher
Caesar ciphers hide secret missives. A simple interactive lets users encode and decode hidden messages. The cipher method here is the Caesar shift.