At age 20 he participated in a math competition.

MathCounts participates in math competitions at the chapter and state level each year.

Rio Americano has a math team which participates in various math competitions and contests.

Richard has also done well in various math competitions.

Central Academy has a rich history of doing well in math competitions.

But until then, he plans to continue competing in other math competitions.

Historically, math competition has been a boys' game.

Math Club takes part in math competitions around Washington.

She felt students who won in math competitions received honors, but their teachers never received any recognition.

Six U.S. teen-agers are perfect in an international math competition.