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# Category Archives: Mathematics

## Conundrum

The following couple of verses would be familiar to those who know the nursery rhyme As I was Going to St. Ives. As I was going to Handover Fists I met a man with seven wrists. The seven wrists had … Continue reading

## Inconsistent Propositions

It was said that when mathematician and philosopher Bertrand Russell (1872-1970) was at a dinner party, he stated that “it is useless talking about inconsistent things, from an inconsistent proposition you can prove anything you like.” This can be illustrated … Continue reading

## Different Mathematical Perspectives

Here is a very simple match puzzle. Move just a single match to form a perfect square. This is indeed an easy puzzle. However, there are two ways to solve this and the solution depends on who’s solving the puzzle.

## A Curious Clock Puzzle

Draw two straight lines across the face of the clock in such a way so that the sum of the numbers in every section are the same.

## Grandpa’s Magic Square Puzzle

When I was a boy, my grandfather used to give me puzzles for me to solve. The following puzzle is one of them. A magic square is an arrangement of numbers from 1 to n2 in an n2 matrix in … Continue reading

## Learn A Basic Number Theorem Through Playing Cards

The following is a simple activity for learning a simple number theory concept. This is based on the procedure described by Martin Gardner in Time Travel and Other Mathematical Bewilderments (1988). All you need for this is a pack of cards. … Continue reading

## Zero Sum And Difference Game

Consider this group of squares: 1237892 + 5619452 + 6428642 – 2428682 – 7619432 – 3237872 = 0 When looking at the calculation above, it seems that it’s not a big deal. Although the six large squares yield zero after the calculation, it is not really … Continue reading