Gerard W. Kelly Short-Cut Math

ISBN 13 : 9780486246116

Short-Cut Math

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9780486246116: 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 foolproof methods in this volume, you can double or triple your calculation speed — even if you always hated math in school. Here's a sampling of the amazingly effective techniques you will learn in minutes: Adding by 10 Groups; No-Carry Addition; Subtraction Without Borrowing; Multiplying by Aliquot Parts; Test for Divisibility by Odd and Even Numbers; Simplifying Dividends and Divisors; Fastest Way to Add or Subtract Any Pair of Fractions; Multiplying and Dividing with Mixed Numbers, and more.
The short-cuts in this book require no special math ability. If you can do ordinary arithmetic, you will have no trouble with these methods. There are no complicated formulas or unfamiliar jargon — no long drills or exercises. For each problem, the author provides an explanation of the method and a step-by-step solution. Then the short-cut is applied, with a proof and an explanation of why it works.
Students, teachers, businesspeople, accountants, bank tellers, check-out clerks — anyone who uses numbers and wishes to increase his or her speed and arithmetical agility, can benefit from the clear, easy-to-follow techniques given here.

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1.

G. W. Kelly
Edité par Dover Publications Inc., United States (1984)
ISBN 10 : 0486246116 ISBN 13 : 9780486246116
Neuf(s) Paperback Quantité : 1
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The Book Depository
(London, Royaume-Uni)
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Description du livre Dover Publications Inc., United States, 1984. Paperback. État : New. Revised edition. Language: English . Brand New Book. Can you multiply 362 x .5 quickly in your head? Could you readily calculate the square of 41? How much is 635 divided by 21/2? 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 foolproof methods in this volume, you can double or triple your calculation speed even if you always hated math in school. Here s a sampling of the amazingly effective techniques you will learn in minutes: Adding by 10 Groups; No-Carry Addition; Subtraction Without Borrowing; Multiplying by Aliquot Parts; Test for Divisibility by Odd and Even Numbers; Simplifying Dividends and Divisors; Fastest Way to Add or Subtract Any Pair of Fractions; Multiplying and Dividing with Mixed Numbers, and more. The short-cuts in this book require no special math ability. If you can do ordinary arithmetic, you will have no trouble with these methods. There are no complicated formulas or unfamiliar jargon no long drills or exercises. For each problem, the author provides an explanation of the method and a step-by-step solution. Then the short-cut is applied, with a proof and an explanation of why it works. Students, teachers, businesspeople, accountants, bank tellers, check-out clerks anyone who uses numbers and wishes to increase his or her speed and arithmetical agility, can benefit from the clear, easy-to-follow techniques given here. N° de réf. du libraire AAC9780486246116

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Kelly, Gerard W.
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Description du livre Dover Publishers. État : New. Brand New. N° de réf. du libraire 0486246116

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G. W. Kelly
Edité par Dover Publications Inc., United States (1984)
ISBN 10 : 0486246116 ISBN 13 : 9780486246116
Neuf(s) Paperback Quantité : 1
Vendeur
The Book Depository US
(London, Royaume-Uni)
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Description du livre Dover Publications Inc., United States, 1984. Paperback. État : New. Revised edition. Language: English . Brand New Book. Can you multiply 362 x .5 quickly in your head? Could you readily calculate the square of 41? How much is 635 divided by 21/2? 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 foolproof methods in this volume, you can double or triple your calculation speed even if you always hated math in school. Here s a sampling of the amazingly effective techniques you will learn in minutes: Adding by 10 Groups; No-Carry Addition; Subtraction Without Borrowing; Multiplying by Aliquot Parts; Test for Divisibility by Odd and Even Numbers; Simplifying Dividends and Divisors; Fastest Way to Add or Subtract Any Pair of Fractions; Multiplying and Dividing with Mixed Numbers, and more. The short-cuts in this book require no special math ability. If you can do ordinary arithmetic, you will have no trouble with these methods. There are no complicated formulas or unfamiliar jargon no long drills or exercises. For each problem, the author provides an explanation of the method and a step-by-step solution. Then the short-cut is applied, with a proof and an explanation of why it works. Students, teachers, businesspeople, accountants, bank tellers, check-out clerks anyone who uses numbers and wishes to increase his or her speed and arithmetical agility, can benefit from the clear, easy-to-follow techniques given here. N° de réf. du libraire AAC9780486246116

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Gerard W. Kelly
ISBN 10 : 0486246116 ISBN 13 : 9780486246116
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Description du livre État : New. Depending on your location, this item may ship from the US or UK. N° de réf. du libraire 97804862461160000000

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Kelly, Gerard W.
Edité par Dover Pubns, Mineola, New York, U.S.A. (1984)
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Description du livre Dover Pubns, Mineola, New York, U.S.A., 1984. Soft cover. État : New. Using the simple methods in this volume, you can double or triple your calculation speed. Includes Adding by 10 Groups; No-Carry Addition; Subtraction without borrowing; Fastest Way to Addor Subtract Any Pair of Fractions - and more! 112 pages. Index. N° de réf. du libraire 14808

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Kelly, Gerard W.
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Description du livre Dover Publications. PAPERBACK. État : New. 0486246116 New Condition. Light shelf wear on cover. N° de réf. du libraire XF5-KF3W-C972

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Description du livre Paperback. État : New. Paperback. Clear, concise compendium of about 150 time-saving math short-cuts features faster, easier ways to add, subtract, multiply, and divide. Each problem includes an explanation of the method, .Shipping may be from multiple locations in the US or from the UK, depending on stock availability. 112 pages. 0.136. N° de réf. du libraire 9780486246116

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Kelly, G.W.
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Description du livre Dover Publications Inc., 1984. Paperback. État : New. BRAND NEW ** SUPER FAST SHIPPING FROM UK WAREHOUSE ** 30 DAY MONEY BACK GUARANTEE. N° de réf. du libraire mon0001978446

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G.W. Kelly
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