Math Is Fun Forum
  Discussion about math, puzzles, games and fun.   Useful symbols: ÷ × ½ √ ∞ ≠ ≤ ≥ ≈ ⇒ ± ∈ Δ θ ∴ ∑ ∫ • π ƒ -¹ ² ³ °

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#1 2008-07-09 10:10:49

infinitebrain
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Mental math site

I found these websites that have mental math tips.http://listverse.com/science/10-easy-arithmetic-tricks/
http://mathforum.org/k12/mathtips/beatcalc.html.
http://multiplicationtrick.com/big_smile

Last edited by infinitebrain (2008-07-11 02:21:28)


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#2 2008-09-15 03:18:55

sabah teh
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Re: Mental math site

thanks for you sharing. i like the mental multiplication very much.

 

#3 2008-09-15 03:37:40

JaneFairfax
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Re: Mental math site

When I saw the thread title, I initially misread it as “Mental health site”. tongue

Last edited by JaneFairfax (2008-09-15 04:03:40)


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#4 2008-09-15 03:55:31

LQ
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Re: Mental math site

Is it really that funny ey? to look down on people, smurking? adult people lurking around, smurking...


I see clearly now, the universe have the black dots, Thus I am on my way of inventing this remedy...
 

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