THE BEAUTY OF MATHEMATICS 5

Another photo depicting the use of mathematics in architecture.

July 12, 2012

MULTIPLYING A NUMBER BY 5

There are a lot of shortcuts and techniques in multiplying numbers, you just have to choose what is easy for you. This time, let us try to multiply numbers by 5.  If a number is multiplied by 5, you could divide the number by 2 then multiply it by 10. This is easier because when a number is multiplied by 10, just simply append zero(0) to the number. This technique is very effective if the number being multiplied by 5 is divisible by 2. The...

July 4, 2012

CURVES FORMED FROM STRAIGHT LINES

Series of straight lines could form a curve when the edges are smoothed out. It does not actually form the curve but approximates its form. The curve being formed is usually a parabola - that is why they sometimes call it as a parabolic curve.  Let us discover how these curves are formed from the straight lines starting with the basics.  What you need are: 1. paper (you can have a white paper or a colored paper of your choice) 2....

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