AVERAGES Sequences, Series and Patterns Statistics and Data Explore measures of central tendency, specifically mean and median, by solving common types of MATHCOUNTS problems related to sets of numbers. Use the extension at the end to develop a rule for... Read More
MINI #66 - SIMILARITY AND PROPORTIONAL REASONING Plane Geometry Proportional Reasoning Video by Art of Problem Solving's Richard Rusczyk. Read More
SHERLOCK: A STUDY IN PI Measurement Finalist in the 2017-2018 Math Video Challenge. This video was created by Salk School of Science. Read More