All Videos
- MATHCOUNTS Minis
MINI #99 - CONDITIONAL PROBABILITY
Video by Art of Problem Solving's Richard Rusczyk.
- MATHCOUNTS Minis
MINI #98 - EVEN MORE SEQUENCES, SERIES AND PATTERNS
Video by Art of Problem Solving's Richard Rusczyk.
- MATHCOUNTS Minis
MINI #83 - SEQUENCES OF NUMBERS AND EVENTS
Video by Art of Problem Solving's Richard Rusczyk.
- MATHCOUNTS Minis
MINI #7 - COUNTING/PATHS ALONG A GRID
Video by Art of Problem Solving's Richard Rusczyk.
- MATHCOUNTS Minis
MINI #77 - MORE COUNTING USING CASES
Video by Art of Problem Solving's Richard Rusczyk.
- MATHCOUNTS Minis
MINI #53 - A DIFFERENT WAY TO THINK ABOUT POLYNOMIALS
Video by Art of Problem Solving's Richard Rusczyk.
- MATHCOUNTS Minis
MINI #45 - MAXIMUM AREA OF INSCRIBED RECTANGLES & TRIANGLES
Video by Art of Problem Solving's Richard Rusczyk.
- MATHCOUNTS Minis
MINI #44 - RECOGNIZING SQUARES AND SOLVING A SIMPLER PROBLEM
Video by Art of Problem Solving's Richard Rusczyk.
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.