Donate now to help send 2,300 students from low-income schools to their MATHCOUNTS competitions.
Registration is Open for 2023-24!
A national middle school mathematics competition that builds problem-solving skills and fosters achievement through four levels of fun, in-person "bee" style contests. Learn more ›
Registration is Open for 2023-24!
A national middle school mathematics enrichment program that gives educators the resources and guidance needed to run math clubs in schools and other groups. Learn more ›
Melrose’s hot air balloon is a sphere of diameter 100 feet. How many cubic feet of air will Melrose’s hot air balloon hold when completely filled? Express your answer as a decimal to the nearest tenth.
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 2 extracurricular math programs. Hundreds of thousands of 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.
