PBS
Pbs Learning Media: Tricking Hacker
In this video segment from Cyberchase, the CyberSquad must reclaim the Totally Rad Ring by measuring its radius to create a perfect duplicate.
Other
Nearpod: Partitioning Circles
In this activity on partitioning circles, 2nd graders learn key vocabulary, explore drawing equal shares, and apply their learning to a real-world scenario.