The Lost Logic of K-8 Level Maths Education
@jcrabtree
🇬🇧 Arithmetic is Obsolete so Follow Jonathan J. Crabtree's 🇮🇳 Podometic for Faster Simpler More Powerful, Logical & Intuitive K-8 Mathematics Education
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https://www.podometic.in 31-01-2008 19:42:11
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