Short-Cut Math by Gerard W. Kelly

Short-Cut Math

Can you multiply 362 x .5 quickly in your head? Could you readily calculate the square of 41? How much is 635 divided by 2½? Can 727,648 be evenly divided by 8? If any of these questions took you more than a few seconds to solve, you need this book. Short-Cut Math is a concise, remarkably clear compendium of about 150 math short-cuts — timesaving tricks that provide faster, easier ways to add, subtract, multiply, and divide.By using the simple...


Details Short-Cut Math

TitleShort-Cut Math
ISBN9780486246116
Author
Release DateApr 1st, 1984
PublisherDover Publications
LanguageEnglish
GenreScience, Mathematics, Education
Rating

Reviews Short-Cut Math

  • Bram
    2012-10-29
    Book with some tricks on how to add/substract/multiply/divide. Almost all the "tricks" are very, very basic, however, there were a few tricks that I didn't know before.Even though several publishers sell this book, the ebook is freely available: http://archive.org/details/Short-cutMath
  • Roger
    2011-07-15
    Not a bad book. Worth a quick read to learn some basic math tricks.