This collection includes multiple lessons which could easily be spread out into at least 9 lessons (see below). Included you will have access to a Brief History of Cyptology, Lesson Worksheets, Attached Keys, and Smart Notebook files which will allow you to present and teach each lesson effectively. LESSON 1: Brief History of Cryptology LESSON 2: Encoding Caesar Ciphers LESSON 3: Decoding Caesar Ciphers LESSON 4 : Encoding Shift Ciphers LESSON 5: Decoding Shift Ciphers (given shift) LESSON 6 : D