Free Tips to do Mental Math Questions Easy in 2011- Part 3
This is my third blog of tips to well in math problems. Please find some tips to math questions easy. These tricks are easy to remember to do all match calculations Blog-1-Tips to do Mental Math Questions Easy Blog 2-Free Tips to do Mental Math Questions Easy in 2011 14. Multiply by 9 This one is simple – to multiple any number between 1 and 9 by 9 hold both hands in front of your face – drop the finger that corresponds to the number you are multiplying (for example 9×3 – drop your third finger) – count the fingers before the dropped finger (in the case of 9×3 it is 2) then count the numbers after (in this case 7) – the answer is 27. 15. Multiply by 4 This is a very simple trick which may appear obvious to some, but to others it is not. The trick is to simply multiply by two, then multiply by two again: 58 x 4 = (58 x 2) + (58 x 2) = (116) + (116) = 232 16. Dividing by 5 Dividing a large number by five is actually very simple. All you d...