Cryptobabel: Coded Communication

Duration: 75-90 minutes

Grade Levels: 4-6

Students are presented with a top-secret scenario in which they must intercept a message from a spy.

Lesson Plan PDF


Grade Levels: 4–6

Duration: 75–90 minutes


  • Explore and manipulate a variety of ciphers.
  • Apply ciphers to decode and encode messages.
  • Analyze a code in order to determine its cipher and craft an encoded reply.