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  • Problem of the Week

What is the 20th term of the arithmetic sequence 13, 19, 25, 31, ...?

The common difference is 19 – 13 = 6. Now that we know that, we can find the.

  • Problem of the Week

Winter weather can result in snowstorms dumping large amounts of snow in a short time. The Snow Water Equivalent (SWE) is a common snow pack measurement.

  • Problem of the Week

On January 26, 1905, a 3,106-carat diamond was discovered in Pretoria, South Africa. Weighing nearly 1.5 pounds, the Cullinan, as it was named, is the.

  • Problem of the Week

Troy, Elliott and Shaun are three contestants on a game show. In one of the rounds of the game show, the 3 contestants have a chance to spin a wheel up.

  • Problem of the Week

Every year on the third Monday of January, we celebrate Martin Luther King, Jr. Day. Dr. King was a civil rights activist whose passion and leadership.

Our Story

The MATHCOUNTS Foundation is a 501(c)3 non-profit organization that reaches students in grades 6-8 in all US states and territories with 3 extracurricular math programs. More than a quarter million students participate in our programs or use our resources each year.

There are many paths to success in math.  We help all students discover theirs.

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