Schools of Mental Calculation

This thread is for compiling the different systems of mental math as well as books and training tools.

I’ll link to pages about some of the methods I’ve heard of:

https://en.wikibooks.org/wiki/Mental_Math

Practice sites:

Post links if you know of any good information on the subject. :slight_smile:

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Here is a good practice site:

http://www.momonix.com/calc/

http://www.curiousmath.com/

http://www.ludism.org/mentat/MentalMath