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