Pi Day is an annual celebration commemorating the mathematical constant π (pi). Pi Day is observed on March 14 (or 3/14 in the U.S. month/day date format), since 3, 1, and 4 are the three most significant digits of π in the decimal form.
An aside: I was trying to track this image back to give proper credit. Wow was that difficult! I dragged the image, dropped it into images.google.com and then tineye.com. Click the link to see my results.
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Jacqui Murray has been teaching K-8 technology for 15 years. She is the editor of a K-8 technology curriculum, K-8 keyboard curriculum, K-8 Digital Citizenship curriculum, and creator of technology training books for how to integrate technology in education. She is webmaster for six blogs, CSG Master Teacher, an Amazon Vine Voice book reviewer, Editorial Review Board member for Journal for Computing Teachers, CSTA presentation reviewer, freelance journalist on tech ed topics, a columnist for Examiner.com, and a weekly contributor to TeachHUB. Currently, she’s editing a techno-thriller that should be out to publishers next summer.