NC Public Schools on X: "Happy Pi Day! Today we celebrate math! Pi (Greek letter "π") is the symbol used to represent a constant — the ratio of the circumference of a
![National Pi Day Classroom Activity Incorporating STEM and the Engineering Design Process - Catapult Learning National Pi Day Classroom Activity Incorporating STEM and the Engineering Design Process - Catapult Learning](https://catapultlearning.com/wp-content/uploads/2019/03/Catapult-Learning-Pi-Day-683x1024.png)
National Pi Day Classroom Activity Incorporating STEM and the Engineering Design Process - Catapult Learning
![5 Places in Orlando to get Pie for Pi Day - March 14 (3-14) - 2019 - Tasty Chomps: A Local's Culinary Guide 5 Places in Orlando to get Pie for Pi Day - March 14 (3-14) - 2019 - Tasty Chomps: A Local's Culinary Guide](https://tastychomps.com/wp-content/uploads/2019/03/piday.jpg)
5 Places in Orlando to get Pie for Pi Day - March 14 (3-14) - 2019 - Tasty Chomps: A Local's Culinary Guide
![What do Americans think of when they hear "National Pi Day"? PI or PIE? | iQuanti Digital Marketing Company What do Americans think of when they hear "National Pi Day"? PI or PIE? | iQuanti Digital Marketing Company](https://www.iquanti.com/wp-content/uploads/2019/03/National-Pi-Day-2019-iQuanti-Search-Data-Analysis-iQuanti-Digital-Marketing-Agency.jpg)