MATH COUNTS:
Simple examples:
http://mathematicsmisc.blogspot.com/2014/09/5th-grade-practice.html
Angles of a POLYGON - Pentagon Problem
http://mathematicsmisc.blogspot.com/2015/03/pentagon-math-counts-2015.html
Sequence Problem
http://knepflevideos.blogspot.com/2015/09/math-counts-seq-problem-179.html
Dice Rolling and Coin Flipping videos
http://knepflevideos.blogspot.com/2015/11/math-counts-nov-4th-2015.html
Big Number Predict last digit without a calculator
http://knepflevideos.blogspot.com/2015/04/looking-for-pattern-video.html
Finding the Equation of a line
http://knepflevideos.blogspot.com/2018/01/given-two-points-equation-of-line-is.html
