3.14159: Happy Pi Day! Ready to get your mathematical constant on? PBS LearningMedia today launched a curated collection of fun, free math resources for educators (aptly titled as the “Math Is Awe-sum!” collection). The curation includes animated series clips from Math at the Core: Middle School: PEG + CAT and selections from Khan Academy. Elsewhere on the world wide web, Mindshift serves up a neat way to calculate pi using toothpicks. And what's our EdSurge-y addition to the resource bucket? A fun fact--next year, Pi Day will fall on the exact date mirroring its digits (3/14/15). It's simply irrational... Start prepping to celebrate now!