This lesson will likely take two days to complete. Preparing for these activities the first time will take some time. Once you've been through it once, the activities actually go quicker than you might expect.
Suggested Prep for Day 1 (Steps 1-3)
Prepare the Cups and Beans demonstration (you need cups and beans)
Understand the modulo thought experiment with pictures of clocks
(Optional) Paper copies of "multiplication + modulo" activity guide
Suggested Prep for Day 2 (Step 4 + wrap up)
Practice using the "modulo clock"
Practice and Prepare for the using and demonstrating the public key crypto widget
