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Arbitrary and Necessary: Part 3 Educating Awareness DAVE HEWIII David Wheeler and I shared a common influence • Caleb Gattegno David knew Gattegno through the early years of the Association of Teachers of Mathematics,
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Document Date: 2014-09-07 20:14:19
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Arbitrary and Necessary: Part 3 Educating Awareness DAVE HEWIII David Wheeler and I shared a common influence • Caleb Gattegno David knew Gattegno through the early years of the Association of Teachers of Mathematics,