Math Manipulatives
Links for homemade math manipulatives:
http://www.mathcats.com/mathtoolbox/index.html
http://www.ehow.com/how_4893569_montessori-number-rods.html
http://www.proteacher.net/discussions/showthread.php?t=69295
http://heartofthematteronline.com/15-homemade-math-manipulatives-2
http://www.education.com/activity/all-grades/math/
http://hubpages.com/hub/fun-math-games
http://mymontessorijourney.typepad.com/my_montessori_journey/montessorimath/
http://userpages.bright.net/~double/math.htm
http://homemade-homeschool.blogspot.com/
http://www.homeschoolblogger.com/jaminacema/168013/