My first grade Math curriculum is Expressions. I love this curriculum, it is organized very well and that makes me super happy. There are great manipulatives, cards, workbooks, and activities that I use daily with this program. I also use blogs to find fun ideas to compliment Expressions content.
Math Resources I use:
Expressions Site:
http://www.eduplace.com/math/mthexp/
Think Central:
http://www.thinkcentral.com/index.htm
Learn 360 Videos:
http://www.learn360.com/index.aspx
Hugs,
Tiff