29 SEP 2017 by ideonexus

 Roman Arithmetic

...basic Roman arithmetic is largely rather simple, even for those of us spoiled by Arabic notation. Addition is no sweat, because complex Roman numbers already use what math pros call additive notation, with numerals set beside one another to create a larger number. VI is just V plus I, after all. To add large numbers, simply pile all the letters together, arrange them in descending order, and there’s your sum. CLXVI plus CLXVI? CCLLXXVVII, or CCCXXXII. And one of the advantages of the Rom...
Folksonomies: education mathematics math
Folksonomies: education mathematics math
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10 MAR 2017 by ideonexus

 What We Learn from Games

What also went unremarked was how much I was learning by playing these games: basic ideas such as taking turns and developing patience while others completed their turns, the strengthening of simple memory, improved physical coordination, an ability to recognize and act on patterns, the capacity to see what might happen in a few turns if I took one move as opposed to another, resilience when losing, and the kind of strategic thinking that emerges once you realize that Scrabble is both a game ...
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