These tools were the most beneficial for me and ones that I think will be most beneficial for students: algebra tiles, percent strips, fraction tiles, area models for multiplication. Sharing and using the virtual manipulatives, Excel, and GeoGebra would all help motivate students as well.
-FAME 2011 Teacher
Krause Center for Innovation, Foothill College | 12345 El Monte Road, Los Altos
Hills, CA 94022 | (650) 949-7680