It’s Pi Day! Here are the best freebies and discounts for pizza and other pie-related goodies

i Day is March 14. Plenty of restaurants and pizza shops are offering deals for cheap or free pizzas and pies. Even more have deals for $3.14.As you sat in elementary school or junior high and your math teacher began introducing algebraic terms to your vocabulary, you (like many others) may have thought “there’s no way I’ll use this once I’m out of school.” That may be true with integrating factors and centroids, but Pi can save you some money.The ratio of the circumference of a circle is 3.14 (though the number itself goes on forever). Long ago, math nerds declared March 14 (3/14) Pi Day. And it didn’t take long for marketers to capitalize on that.Head to your local dessert store, grocer, or bakery and there are better-than-average odds you can get a discount on an apple, cherry, or blueberry pie today. But the discounts don’t end there. Here’s a roundup of retailers, many of whom specialize in pizza pie, offering discounts and freebies on Friday, March 14.Pizza bargains on Pi DayPapa John’sBuy one large or extra-large pizza at the regular price and get one for $3.14 today. You’ll need to be a Papa Rewards member, though.California Pizza KitchenSpend $25 on anything at the restaurant and you can add an Original BBQ Chicken, Pepperoni, or Traditional Cheese pizza fo