Category: Videos

Counting Possibilities (Video)

Richard of Art of Problem Solving is back this month to give another mind-blowing tutorial how to count possibilities in some problems in combinatorics. This is already the 50th episode of his Youtube video...

Bases and Powers: Mathcounts Mini Video Series

Since it is the first week of the month, Mathcounts Mini video series for November is out for viewing. This month, Richard will teach us about bases and powers. Worksheet related to the tutorial...

Solving Probability Technique

“For a lot of hard problems, not just Math problems, the key to finding the solution is to go one step at a time”. Those are the first few words of Richard Rusczyk, founder...

Sum of 1 to Infinity Gives an Astounding Result

Mathematics has continue to amaze everyone who loved it and continue to torture anyone who hates it. The following video will stun you because it sounds ridiculous and not reasonable enough by just using...

Area of Irregular Polygons ( Video )

New video was released for the month of October in the Mathcounts Mini Series by the founder of Art of Problem Solving himself,  Richard Rusczyk. This time, very interesting topic about composite geometric figure...

Sequences, Series, and Pattern

This is an interactive video made by Richard Rusczyk, the man in Mathcounts Mini. A Youtube channel that made for dedicated students around the world especially for grade school students preparing for the Raytheon Mathcounts...