Bob's Place of Educational Links
Math Doodles - site has several interactive games to practice basic math skills that requires quick thinking and basic math facts - would work well with interactive whiteboards.
Math Playground- site for elementary and middle school students that includes math games, word problems, logic puzzles, and math interactive whiteboard movies.
Johnnie's Math Page - Links to interactive math tools and activities for students and teachers

Thinking Blocks - interactive math tool to help students solve multi-step math problems transitioning from models to drawings to abstract thinking. This program has been included in the UDL Tech Tool Kit for supporting assistive technology goals in inclusion classrooms. Includes story problems with addition/subtraction, multiplication/division, and ratio and proportion.