Topic
Geometry
2 articles on geometry: the maths or physics explained, ready-to-teach lesson plans, and how to build each slide in Tracé.
Pythagorean Theorem Lesson: A Visual Proof in 5 ClicksA ready-to-teach Pythagorean theorem lesson: the areas picture, a proof students can follow, common mistakes, check questions, and how to animate it.
Fractals in the Classroom: Koch, Sierpinski, MandelbrotThree fractals that hook a class: the Koch snowflake step by step, the Sierpinski triangle and the Mandelbrot set, with the maths behind each.