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FOREWORD
To the reader/problem solver
All real life mathematics is problem solving.
You can practise problem solving in different ways. In this book solving problems is approached differently from most mathematics books you have seen before:
You get no clues to the type of calculation from the title
Some problems may have no solution, whereas others may have many solutions
Sometimes you can find a simple solution, but check very carefully to see if it is right. The problems are designed to be a little extra tricky. The contents are divided into 4 categories with the answers at the back:
* problems
** problems (a little harder)
*** problems (can be quite tricky)
The Week's Problem and other Canny Mathematics
The Week's Problem and other Canny Mathematicss are intended to be solved in groups at school or maybe at home with the whole family. The other problems are often also best solved in a group. Part B contains harder problems than Part A: that is my intention at least. But what is easy for one solver can be almost impossible for another, and vice versa.
Neither of the parts need advanced mathematical knowledge, but despite this there are problems to which many adults either cannot find a straightforward solution or give the wrong answer (for Part B it is useful if you know what "percent" means).
Good luck!
The Author
(Continues…)
Excerpted from "The Week's Problem and other Canny Mathematics"
by .
Copyright © 1996 Agnar Bergkuist.
Excerpted by permission of Tarquin Publications.
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