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
- Full Member
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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/
Last edited by infinitebrain (2008-07-11 02:21:28)
The best thing about life is you don't know what to expect
#2 2008-09-15 03:18:55
- sabah teh
- Novice
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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
- Legendary Member
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Re: Mental math site
When I saw the thread title, I initially misread it as “Mental health site”. 
Last edited by JaneFairfax (2008-09-15 04:03:40)
#4 2008-09-15 03:55:31
- LQ
- Real Member
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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...