http://www.sharinglinks.com/tags/kids+math+geometry Recent Kids + Math + Geometry bookmarks posted to SharingLinks.com. SharingLinks.com is an online bookmark manager and a community of parents and teachers. 60 http://www.surfnetkids.com/pi_day.htm Pi is the ratio of the circumference of a circle to its diameter. Regardless of the size of the circle, pi is always the same irrational number: approximately 3.14. surfnetkids Mon, 10 Mar 2008 11:21:59 +0000 geometry kids math pi day surfnetkids teachers