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

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**infinitebrain****Member**- Registered: 2008-07-01
- Posts: 153

Does anyone know any mental math tips and tricks and some helpful mental math websites?

[I'm not bright on mental math]

The best thing about life is you don't know what to expect

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**JaneFairfax****Member**- Registered: 2007-02-23
- Posts: 6,868

Check out Ganeshs own subforum: **Ganeshs Puzzles**

He has plenty of mental-math puzzles there, particularly in this thread: http://www.mathisfunforum.com/viewtopic.php?id=4373

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**Monox D. I-Fly****Member**- Registered: 2015-12-02
- Posts: 858

I wonder do in that thread we need to actually take only 10 seconds?

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