Learning Modules
This page collects interactive web apps for teaching, learning, and public-facing probability activities. More modules will be added over time.
Course-linked modules
Teaching modules organized by course.
Standalone learning modules
Learning module · Grades 9-12
Fifteen Puzzle Explorer
A sliding-puzzle interface with 15-puzzle and 7-puzzle modes for strategy practice. Follow-up pages on solvability and solving strategy are linked from the explorer.
Learning module · Grades 9-12
The Envelope Problem
A guided activity on a classic probability paradox, with an interactive lab and follow-up pages to test intuition and identify where naive arguments fail.