Khan Academy: Doodling in Math: Doodling in Math: Binary Trees

Put on your thinking caps because middle school math has never been more interesting in this huge resource full of thought provoking questions. Written as a newsletter, the resource has 10 two-page newsletters with a variety of...

Video demonstrating some doodling games that illustrate mathematical concepts of graph theory, touching on topology and map theory.

Anti-parabola propoganda, plus musing on math class, cardioids, connect the dots, envelopes of lines, even a bit of origami.

This video explains some of the mathematics behind drawing stars, and showing how some stars can be drawn in multiple ways.

Video explaining the principle by which plants arrange their flowers in order to maximize the gathering of sunlight, which relates to the Fibonacci series.

Video demonstrating some drawing games that illustrate mathematical concepts of series and infinite series such as fractals and the Sierpinski triangle.

Video explaining some rules for space-filling curves, showing how they create fractal forms.

Video demonstrating some number games that involve mathematical concepts of number theory such as prime numbers, Pascal's triangle, and the Sierpinski triangle.

Video exploring triangles and illustrating fractal concepts such as the Koch snowflake

Why does the equal sign look that way? The resource explains the reason several of the math symbols look the way they do. Using a few specific examples, the video points out that some symbols are rooted in their meanings and others are...