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
Editorial: Dover Publications Inc., United States (1984)
ISBN 10: 0486246116 ISBN 13: 9780486246116
Nuevos Paperback Cantidad: 10
Librería
The Book Depository
(London, Reino Unido)
Valoración
[?]

Descripción Dover Publications Inc., United States, 1984. Paperback. Estado de conservación: 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. Nº de ref. de la librería AAC9780486246116

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2.

G. W. Kelly
Editorial: Dover Publications Inc., United States (1984)
ISBN 10: 0486246116 ISBN 13: 9780486246116
Nuevos Paperback Cantidad: 10
Librería
The Book Depository US
(London, Reino Unido)
Valoración
[?]

Descripción Dover Publications Inc., United States, 1984. Paperback. Estado de conservación: 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. Nº de ref. de la librería AAC9780486246116

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Gerard W. Kelly
Editorial: Dover Publications, Inc.
ISBN 10: 0486246116 ISBN 13: 9780486246116
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Descripción Dover Publications, Inc. Estado de conservación: New. Nº de ref. de la librería 8146489

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G.W. Kelly
Editorial: Dover Publications Inc. 1984-10-01 (1984)
ISBN 10: 0486246116 ISBN 13: 9780486246116
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Chiron Media
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Descripción Dover Publications Inc. 1984-10-01, 1984. Estado de conservación: New. Brand new book, sourced directly from publisher. Dispatch time is 24-48 hours from our warehouse. Book will be sent in robust, secure packaging to ensure it reaches you securely. Nº de ref. de la librería NU-GRD-05477269

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5.

Kelly, G.W.
Editorial: Dover Publications Inc. (1984)
ISBN 10: 0486246116 ISBN 13: 9780486246116
Nuevos Paperback Cantidad: 2
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The Monster Bookshop
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Descripción Dover Publications Inc., 1984. Paperback. Estado de conservación: New. BRAND NEW ** SUPER FAST SHIPPING FROM UK WAREHOUSE ** 30 DAY MONEY BACK GUARANTEE. Nº de ref. de la librería mon0001978446

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Kelly, Gerard W.
Editorial: Dover Publications (1984)
ISBN 10: 0486246116 ISBN 13: 9780486246116
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Descripción Dover Publications, 1984. Estado de conservación: New. Series: Dover Books on Mathematics. Num Pages: 112 pages. BIC Classification: PB. Category: (G) General (US: Trade). Dimension: 215 x 136 x 7. Weight in Grams: 142. . 1984. Paperback. . . . . . Nº de ref. de la librería V9780486246116

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Kelly, Gerard W.
Editorial: Dover Publications
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Descripción Dover Publications. Estado de conservación: New. Series: Dover Books on Mathematics. Num Pages: 112 pages. BIC Classification: PB. Category: (G) General (US: Trade). Dimension: 215 x 136 x 7. Weight in Grams: 142. . 1984. Paperback. . . . . Books ship from the US and Ireland. Nº de ref. de la librería V9780486246116

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G.W. Kelly
Editorial: Dover Publications Inc.
ISBN 10: 0486246116 ISBN 13: 9780486246116
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THE SAINT BOOKSTORE
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Descripción Dover Publications Inc. Paperback. Estado de conservación: New. New copy - Usually dispatched within 2 working days. Nº de ref. de la librería B9780486246116

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G.W. Kelly
Editorial: Dover Publications Inc. 1984-10-01, New York (1984)
ISBN 10: 0486246116 ISBN 13: 9780486246116
Nuevos paperback Cantidad: 5
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Blackwell's
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Descripción Dover Publications Inc. 1984-10-01, New York, 1984. paperback. Estado de conservación: New. Nº de ref. de la librería 9780486246116

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G. W. Kelly
ISBN 10: 0486246116 ISBN 13: 9780486246116
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Ria Christie Collections
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Descripción Paperback. Estado de conservación: New. Not Signed; book. Nº de ref. de la librería ria9780486246116_rkm

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