- Statistics and Data
In June, MATHCOUNTS joined the Data Science 4 Everyone Commitment Campaign to build capacity for K-12 data science education. As part of this commitment, MATHCOUNTS will create and share additional...
- Number Theory
- Sequences, Series and Patterns
While many countries celebrate Lunar New Year, the specific date and set of 12 zodiac animals varies. The problems below reflect the date and animals used in China, and Lunar New Year is referred to...
- General Math
- Probability, Counting and Combinatorics
- Sequences, Series and Patterns
When thinking of things that “fall in the fall,” perhaps the first things that come to your mind are leaves? For many people around the country, the leaves are falling from their trees and hours of...