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How to Calculate Quickly: Full Course in Speed Arithmetic

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Overview

Many useful procedures explained and taught: 2-column addition, left-to-right subtraction, direct multiplication by numbers greater than 12, mental division of large numbers, more. Also numerous helpful shortcuts. More than 8,000 problems, with solutions.
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How to Calculate Quickly: Full Course in Speed Arithmetic

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Overview

Many useful procedures explained and taught: 2-column addition, left-to-right subtraction, direct multiplication by numbers greater than 12, mental division of large numbers, more. Also numerous helpful shortcuts. More than 8,000 problems, with solutions.
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Product Details

  • ISBN-13: 9781607964209
  • Publisher: Beta Nu Publishing
  • Publication date: 3/15/2012
  • Pages: 194
  • Sales rank: 1,053,388
  • Product dimensions: 6.00 (w) x 9.00 (h) x 0.45 (d)

Table of Contents

The Plan of This Book
ADDITION
  Addition in General
  "Adding Single Columns by Pairs, starts on"
  "Adding Single Columns by Trios, starts on"
  "Mental Addition of Large Numbers, starts on"
  "Two-Column Addition, starts on"
SUBTRACTION
  Subtraction in General
  "Left-to-Right Subtraction, starts on"
MULTIPLICATION
  Multiplication in General
  "Factoring, starts on"
  "Direct Multiplication by Numbers Greater than 12, starts on"
  "Multiplying Three Figures by One, starts on"
  "Multiplying Two Figures by Two, starts on"
  "Multiplying Three Figures by Two, starts on"
  "Multiplying Three Figures by Three, starts on"
DIVISION
  Division in General
  "Direct Division by Numbers Greater than 12, starts on"
  "Mental Division of Large Numbers, starts on"
  "Division by Three Figures, starts on"
  "Division by Two Figures, starts on"
FRACTIONS
  Fractions in General
  "Addition and Subtractions of Fractions, starts on"
DECIMALS
  Decimals in General
  "Decimal Equivalents of Fractions, starts on"
SHORT CUTS
  Horizontal Addition
  Combined Addition and Subtraction
  Multiplying by a Near Number
  Aliquot Parts in Multiplication
  Simplifying the Multiplier
  Multiplication by Factoring
  Factors between 11 and 19
  Multiplying by 11
  "Multiplying by 21, 31, 41, etc."
  "Squares of Numbers, starts on"
  "Multiplying When Corresponding Orders Are Alike, starts on"
  Multiplying a Sum by a Difference
  "Multiplications Involving Fractions, starts on"
  Aliquot Parts in Division
  Cubes of Numbers
  Algebraic Multiplication
Table of Prime and Composite Numbers
ANSWERS
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Sort by: Showing all of 2 Customer Reviews
  • Anonymous

    Posted May 19, 2010

    Review

    It was a very helpful book to increase your mental calculations. It was easy to understand with helpful exercise.

    2 out of 2 people found this review helpful.

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  • Anonymous

    Posted July 17, 2013

    No text was provided for this review.

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