1181655
9780486207896
Following the content of the standard school curriculum, this book presents in 418 problems and diversions the basic ideas of arithmetic. Averages, fractions, decimals, percent, powers and roots, etc. Shortcuts, checking methods, also introduced in this enjoyable format. 120 illustrations.Frohlichstein, Jack is the author of 'Mathematical Fun, Games and Puzzles' with ISBN 9780486207896 and ISBN 0486207897.
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