Check out these helpful links!
1. http://mathforum.org
2. http://mathcounts.org/
Figure this: NCTM page of math challenges for families to ponder and solve.
3. http://www.figurethis.org//
Problem of the Week
4. http://www.olemiss.edu/mathed/problem.htm//
Puzzle Corner
5. http://www.aimsedu.org/puzzle/
Do you need to practice your skills? Check out the interactive flash cards at
this site
6. http://www.aplusmath.com/