How to Calculate Quickly by Henry Sticker

How to Calculate Quickly by Henry Sticker

PDF Free Download | How to Calculate Quickly – the art of calculation – Full Course in Speed Arithmetic by Henry Sticker.

Contents of How to Calculate Quickly PDF

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 Subtraction 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

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