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CROSS NUMBERS

A collection of 32 mathematical puzzles

By John Parker
ISBN 9780906212950
Tarquin Publications
Paperback

32 Pages
8.25 X 11.5

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Cross-numbers are the mathematical equivalent of crossword puzzles. The earlier puzzles in this book only require simple arithmetic and basic knowledge, but, as the sequence continues, so the level of difficulty increases. The later ones also demand some enjoyable logical reasoning to tease out the solutions. For the final puzzles, access to a calculator would be helpful and some would say essential. Anyone who enjoys arithmetic and likes to search for patterns and relations between numbers will find much to please them in this book.