Graphical Looping

Puzzle together the story of a swimmer's patterns through pool-space and pool-time!


Cats & Ladders

Use variables and expressions to save cool cats from imminent incineration!


3 Switches

Ruthlessly flip switches on and off until you've figured out Boolean Expressions!


Alarm Clock

While lounging in bed, imagine ever more abstract and powerful ways your clock could help wake you up!

Some Sort of Staff Party:


This material is based upon work supported by the National Science Foundation's STEM + Computing (STEM+C) and Core R&D Programs under award number 1543062, Thinking Outside the Box: Integrating Dynamic Mathematics to Advance Computational Thinking for Diverse Student Populations. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the authors and do not necessarily reflect the views of the National Science Foundation.

For project information, please contact Dr. Shuchi Grover, PI.

Legal & Technical Credits

Activity site version: 1.0r1 (17-Jan-17)

Activity design: Nicholas Jackiw, Shuchi Grover, Satabdi Basu (with many contributions from others)

Activity implementation: Nicholas Jackiw

This website uses "Bootstrap Personal Web Template" by The Bootstrap Themes, which is licensed under CC BY 3.0.

Photo credits: "Isolated cat on a white background" by Sergiu Bacioiu (modified), and "Wild Sumatran Tiger" by Arddu (modified), licensed under Creative Commons CC/BY 2.0; "Young male tabby cat, Portugal" by Joaquim Alves Gaspar (modified), licensed under CC/BY-SA 3.0. Additional images by Srgey Kochkarev, D. Coetzee, and Wikimedia Commons, the free media repository.

These activities use Web Sketchpad: Copyright © 2015 KCP Technologies, a McGraw-Hill Education Company. Used with permission.

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