THE BEAUTY OF MATHEMATICS 5

Another photo depicting the use of mathematics in architecture.

May 30, 2011

YEAR 2011

Photo Courtesy: grietgriet/morgueFile Year 2011 is coming to an end. Before a new year comes, let us review things about 2011 that makes it somewhat special and amazing. This year there are four (4) unusual dates. These are:    1) 01/01/11 or 1/1/11    = January 1, 2011    2) 01/11/11 or 1/11/11  = January 11, 2011    3) 11/01/11 or 11/1/11  = November 1, 2011    4) 11/11/11  ...

May 23, 2011

SQUARING NUMBERS ENDING IN 5

Photo Courtesy: Alvimann/morgueFile What is 152? How about 252? How would you find the answer? Can you tell the answer in 3 to 5 seconds? Yes, there is a fast way of squaring numbers ending in 5. The method lies on the pattern being formed by the numbers upon squaring as related to the numbers being squared. Let's observe the pattern of the numbers.     52 = 25     152 = 225     252...

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