Things I've Tagged (weekly)

• AMC 12 Problems and Solutions - AoPSWiki

  tags: amc

• 1a A Gory Puzzler (VIDEO!) 3 : 49Thinking Mathematics!

  It took them 35 minutes of exploring different ideas but my kids in class today solved the Gory Puzzler: http://t.co/NVNDqC7e

Posted from Diigo. The rest of my favorite links are here.