Links for math vocabulary:
A comprehensive collection of math vocabulary lists
Vocabulary cards, activities, website links, etc.
Super-duper really cool math vocabulary cards by grade level
Lots of graphic organizers for vocabualry
A pretty cool interactive math dictionary
*Great list of geometry terms here. From Annenburg Foundation.
Math Vocabulary from Granite School District in Utah:
Vocabulary Cards A-L (thanks, Angie Conner for finding these!)