228 middle school students compteted in the prestigious individual MATHCOUNTS competition. Daesun Yim of West Windsor, NJ won the national champion title and the $8,000 Donald G. Weinert Scholarship, a trip to U.S. Space Camp and a notebook computer by answering:

A jar contains 8 red balls, 6 green balls and 24 yellow balls. In order to make the probability of choosing a yellow ball from the jar on the first selection equal to1/2, Kerry will add x red balls and y green balls. What is the average of x and y?

Answer: 5

In the team competition, Virginia captured the title of National Team Champions. Team members include Jimmy Clark of Falls Church, Divya Garg of Annandale, Brian Hamrick of Annandale, Daniel Li of Fairfax and coach Barbara Burnett of Falls Church.

Read more about the 2006 competition. Watch video highlights from the 2005 competition.

MATHCOUNTS is a national enrichment, coaching and competition program that promotes middle school mathematics achievement through grassroots involvement in every U.S. state and territory.