Mental Math Excercises

[dontforget]

Hi guys, does anybody know any good mental arithmetic excercises to sharpen your maths up, im under the impression you would need to do a lot of of mental arithmetic with fairly simple math operators (long division, addition/subtraction) does anybody know any good practise techniques to help one improve.

I'm currently 31-0 against the calculator!

 

[Trader333]

Yes do the following in less than a minute:

Multiply 596 by 243
Subtract 231
Take the square root of the result
Log to base 10 this answer
Divide this by 34
Raise to the power of 3

What is the answer ?


Paul

 

[abottoml]

One of these is your best bet I reckon:

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