For math, my class and I celebrated Pi day on March 14 (3/14= 3.14). First our teacher read a short story, Sir Cumference and the Dragon of Pi, to us. Then we found the diameter, radius, and the circumference of different size circles. Circumference is the distance around the circle. Pi = 3.14, 22/7, or π. The diameter is a straight line passing from side to side through the circle. The radius is a line from the center to the side of the circle. The chord a stright line from side to side, however it never passes the center of the circle. To find the circumference of a circle you have to multiply the diameter and 3.14 or 22/7, but if you have the radius then you multiply the radius by 2 then multiply that by 3.14 or 22/7. If you are asked to give your answer in a fraction then you multiply your diameter by 22/7. If you are asked to give you answer in a decimal then you multipy your diameter by 3.14. Also if your asked to leave pi as π, then you put your diameter  first, then π, then your units (example: 12πcm). Then for lunch we had Pi for dessert! 🙂