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Math FuN!

Finding 5 percent of any number Trick 1 : Finding 5 percent of any number
Choose a large number (or sum of money).
M.... More

Multiply any number by 11 Trick number 2 tells you how to multiply a two digit number by 11 but what if you have a number like.... More

Multiply any number from 1 to 10 by 9 To multiply by 9,try this:
(1) Spread your two hands out and place them on a desk or table in.... More

Multiply any two digit number with 11
This trick is much simpler than the previous one and it is more useful too. Let the number b.... More

Multiply Any Two Numbers From 11 To 20 In Your Head Take 15 X 13 For Example..

place The Larger No. First In Your Mind And Then Do Somet.... More

Square a 2 Digit Number, for this example 37 Look for the nearest 10 boundary
In this case up 3 from 37 to 40.
Since you went UP .... More

Square a two digit number ending in five This one is as easy as the previous ones but you have to pay a little more attention to this one . R.... More

Square any two digit number Suppose the number is 47 . Look for the nearest multiple of 10 . ie; in this case 50 . We will reach.... More

Squaring a number in the three hundreds Choose a number in the 300s (practice with numbers under 310, then progress to larger ones).
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Squaring a number in the two hundreds Choose a number in the 200s (practice with numbers under 210, then progress to larger ones).
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Squaring numbers in the five hundreds Choose a number in the 500s (start with low numbers at first; then graduate to larger ones).
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Squaring numbers in the four hundreds Choose a number in the 400s (keep the numbers low at first; then progress to larger ones).
T.... More

Squaring numbers in the hundreds If the number to be squared is 106:
Square the last two digits (no carry): 6 x 6 = 36: _ _ _.... More