We welcome you to use the following handouts and presentation to introduce this topic to your students.
Playfiar Cipher Presentation This presentation is used with the topic (Playfair Cipher). It describes in detail how the cipher works and can be used to introduce this topic to your students. You can preview the presentation on the Playfair Cipher Topic page (link above).The Playfair Cipher This handout is used with the topic (Playfair Cipher) as part of the presentation describing how the cipher works. You can use this to explain decoding and encoding the messages. You should only provide the first 3 pages to the students, the remainder of the document is for teacher's notes.Kennedy Playfair Cipher Practice This handout is used with the topic (Playfair Cipher) as part of the presentation, and provides a practice worksheet for the students. See the notes in the presentation as to when to provide this handout or go over it with the kids during the presentation.