SimpliMatics

SimpliMatics SimpliMatics™.. mathematics in simple language.

It is the merest truism, evident at once to unsophisticated observation, that mathematics is a human invention.Percy Wil...
27/09/2016

It is the merest truism, evident at once to unsophisticated observation, that mathematics is a human invention.

Percy Williams Bridgman

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08/11/2015

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20/10/2015

Mathematics reveals the beauty of nature; the unlocker of universal secrets,and the seeker and searcher of truth that may be hidden from the plain eyes. Something tells me that the creator of the universe must be a perfect mathematician who loves abstract algebra the most.-nobleprof

28/07/2015

The Four Fours Puzzle AR, AL
Challenge: Create all the counting numbers 0 through 100 using
mathematical equalities having exactly four 4s and no other
numerals on the left hand side.
Two examples are
4x4x4 − 4 = 60
&
4 ÷ 4 + 4!+ sqd rt(4) = 27 .

25/07/2015

It is the merest truism, evident at once to unsophisticated observation, that mathematics is a human
invention.
P. W. Bridgman

10/07/2015

"God does not care about our mathematical difficulties. He integrates empirically."_Albert Einstein

30/06/2015

Kaprekar Teaches Subtraction Shri Dattathreya Ramachanda Kaprekar was an Indian mathematician who discovered a fascinating “number-crunching” process in the late 1940s that involved the use of three and four digit numbers. Today, Kaprekar’s Process is a wonderful tool (or game) that can aid in the building of subtraction skills.
Take any three-digit number whose digits are not all the same (222 is not OK, but 221 is OK). Rearrange the digits twice in order to make the largest and smallest numbers possible. Subtract the smaller number from the larger. Take the result and repeat the process. Let’s see what happens for three different three-digit numbers! 517
751-157=594
632-236=396
994-499=545
954-459=495
263
963-369=594c
554-455=099
954-459=495
954-459=495
949
990-099=891
981-189=792
972-279=693
963-369=594
954-459=495
Notice that the cycle ends (or stalls) at the number 495 (called the Kaprekar constant) each time we run the process. Point: Remember to write two-digit results using three digits (i.e. 99 becomes 099 in the 949 cycle). Challenge: Try it, and have your students try it. Count the cycles to reach 495. You may want have a subtraction race.

17/04/2015

Maths Quiz

There are 2 trees in a garden (tree "A" and "B" and on the both trees are some birds.
The birds of tree A say to the birds of tree B that if one of you comes to our tree, then our population will be the double of yours.
Then the birds of tree B tell to the birds of tree A that if one of you comes here, then our population will be equal to that of yours.
Now answer: How many birds in each tree?

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