When your kid loves math as much as ours does, at some point you’re gonna want to throw them a Pi Party…and what better day to have the party than on March 14, National Pi Day. According to Piday.org,  Pi Day is celebrated around the world. Pi (Greek letter “π”) is the symbol used in mathematics to represent the ratio of the circumference of a circle to its diameter — which is approximately 3.14159…… I don’t know how many people treat this day as an actual recognized holiday, but in our home it is a day to celebrate! We dine on all things circular: Sliced Cucumber Ritz Crackers Doughnuts Pizza Orange…