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Mathematical Puzzles, for Beginners and Enthusiasts, 2 Ed
Mathematical Puzzles, for Beginners and Enthusiasts, 2 Ed
Date: 12 April 2011, 02:10

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PREFACE v
Part One
MATHEMATICAL PUZZLES
I. EASY ARITHMETICAL PUZZLES .... 3
II. PUZZLES OF INFERENCE AND
INTERPRETATION 11
III. ALGEBRAIC PUZZLES—GROUP ONE 20
IV. ALGEBRAIC PUZZLES—GROUP TWO 30
V. DISSECTION OF PLANE FIGURES.. 40
VI. GEOMETRICAL PUZZLES 54
VII. PROPERTIES OF DIGITS 67
VIII. PUZZLES ABOUT INTEGERS 79
IX. DECIMATION PUZZLES 94
X. PERMUTATIONS AND COMBINATIONS . 98
XI. PROBLEMS OF PROBABILITY 109
XII. NUMBER GAMES 115
XIII. BOARD GAMES .. 120
Part Two
SOLUTIONS
SOLUTIONS AND ANSWERS TO THE
PUZZLES IN PART ONE 139
APPENDIX
HOW TO EXTRACT SQUARE ROOT 236
HOW TO EXTRACT CUBE ROOT 238
TABLE OF SQUARE ROOTS 239
TABLE OF POWERS OF 2 . 239
TABLE OF SQUARE NUMBERS 24O
TABLE OF PRIME NUMBERS 241
TABLE OF TRIANGULAR NUMBERS 242
GLOSSARY 243
Summary: Approachable, engaging, challenging puzzles
Rating: 5
This is a delightful collection of head-scratchers all described in an easy-going format. Puzzles (all of them are word puzzles, and all answers appear at the back) are grouped as algebraic, geometric, easy-arithmetical, combinatoric, puzzles about integers, etc.; none are trivial, some are extremely challenging, and they all teach some point about inference or mathematical method. In the preface, the author writes, "Some of these puzzles are old favorites... to solve many of the puzzles, you need no knowledge of mathematics other than simple arithmetic... the full method of solution is explained for the more difficult puzzles."
Great, great, great for taking an entertaining tour in mathematics and gaining some problem-solving wisdom along the way. When you solve any of these, you'll really feel ingenious. Thank you, Mr. Mott-Smith!
Summary: First-rate
Rating: 5
This is a first-rate collection of mathematical puzzles, from the very easy to the quite difficult. The book is divided into chapters, which usually begin with some discussion of techniques for solving a particular class of puzzles. It stays away from the super-difficult category. As such this book is for nearly everyone, not just those who want to prove their puzzle-solving skill.

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