September 2010 S M T W T F S « Aug 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 Categories
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Category Archives: Arithmetic
On Mental Arithmetic
So the other day one of my students came up to me in semi-awe asking me how its possible for me to do rapid multiplications in my head. He’s seen me do two digit and rarely three digit computations in … Continue reading
Posted in Arithmetic
Tagged Arithmetic, division, mental arithmetic, mental math, mental mathematics, multiplication
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On Daniel Tammet’s Calculative Methods
Scientific American published online an interview with savant Daniel Tammet and I was much impressed by what he had to say about his calculation methodology. He says that when he adds or multiplies numbers he envisions textures and colors and … Continue reading
Posted in Arithmetic, Mathematics
Tagged addition, calculation, multiplication, savant, scientific american, Tammet
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