More Mats!

Felt Multiplication Checkerboard:
http://www.etsy.com/listing/58187180/multiplication-checkerboard-montessori?ref=v1_other_2

Solar Sytem Mat Instructions:
http://letitbemontessori.typepad.com/let-it-be-montessori/2011/07/make-your-own-solar-system-mat.html

Place Value Heirarchy Mat:
http://www.azokacompany.com/

"Counting Through" Mat  (Place Value)
http://great-extensions.com/quiltedmats.html

World Mat: (lots of other great mats here too!)
http://www.wasecabiomes.org/canvas-mats/geography-mats/continent-mat/