Richard Rusczyk, founder of Art of Problem Solving, is developing a full elementary math curriculum, with the goal of bringing the problem-solving mindset to more than just self-selected math lovers.
https://t.co/ZvYAUci4iT
@dodecahedra I'm fairly sure the spirit of the age is to just repeat them confidently even vehemently in the face of opposition and that upgrades them to fact. No logic is necessary - usually a you're making me feel uncomfortable should quell arguments. Yay relativism and post-truth.
@MathCurmudgeon@MartinOdimaJr IEPs are mandated by federal law, IDEA. There are parental protections built in everywhere including the right to be present when the plan is drafted and to disagree about measures.
If you suspect that the whole triangle is a 45-45-90 (which does turn out to be true) that also gives some test Polynomials you can divide out and see if there is a remainder.