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Building mathematical thinking from the earliest years. Understanding how the system fails students is half the work — the other half is putting genuinely good material in kids’ hands: interactive, rigorous, and fun.
A free interactive learning site I’m building for elementary and middle schoolers — math enrichment, ancient number systems, the real structure of algebra, earth science, space, and more. Every lesson is hands-on, with printable kits for teachers and parents.
Short videos on how the world counted — Egyptian, Babylonian, Roman, Mayan, Hindu-Arabic — and how computers make color.
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