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All Videos
- MATHCOUNTS Minis
MINI #20 - USING THE DIFFERENCE OF SQUARES TO SOLVE PROBLEMS
Video by Art of Problem Solving's Richard Rusczyk.
- MATHCOUNTS Minis
MINI #46 - MORE SEQUENCES, SERIES AND PATTERNS
Video by Art of Problem Solving's Richard Rusczyk.
- MATHCOUNTS Minis
MINI #47 - AREA OF IRREGULAR POLYGONS REBOOT
Video by Art of Problem Solving's Richard Rusczyk.
- MATHCOUNTS Minis
MINI #48 - A SIMPLER APPROACH TO FIND PROBABILITY AND COUNT OUTCOMES
Video by Art of Problem Solving's Richard Rusczyk.
- MATHCOUNTS Minis
MINI #50 - COUNTING POSSIBILITIES
Video by Art of Problem Solving's Richard Rusczyk.
- MATHCOUNTS Minis
MINI #51 - MORE SHORTCUTS USING ALGEBRA AND NUMBER SENSE
Video by Art of Problem Solving's Richard Rusczyk.
- MATHCOUNTS Minis
MINI #52 - GEOMETRY: MORE CIRCLES AND RIGHT TRIANGLES
Video by Art of Problem Solving's Richard Rusczyk.
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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.