Fun resource to introduce Pi, circumference, diameter, and radius. Enjoy our animated video, notes, and practice problems. Answer key is at the end of the video! This makes a great resource for lesson intro, bell ringer, independent practice, review, sub days, or eLearning! Preview the video here: https://youtu.be/2O3AxtnuaQsCheck out all our videos on our YouTube channel Surviving Math. All our resources are free, you can support our efforts by subscribing on YouTube and sharing our videos!