Arithmetricks: 50 Easy Ways to Add, Subtract, Multiply, and Divide Without a CalculatorISBN: 978-0-471-10639-5
Paperback
160 pages
June 1995, Jossey-Bass
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BASIC MENTAL-MATH TRICKS.
Addition.
Subtraction.
Multiplication.
Division.
MENTAL-MATH MASTER TRICKS.
Addition.
Subtraction.
Multiplication.
Division.
ESTIMATION TRICKS.
TRICKS TO CHECK YOUR ANSWER.
Conclusion.
Appendices.
Answers to Exercises.
Addition.
Subtraction.
Multiplication.
Division.
MENTAL-MATH MASTER TRICKS.
Addition.
Subtraction.
Multiplication.
Division.
ESTIMATION TRICKS.
TRICKS TO CHECK YOUR ANSWER.
Conclusion.
Appendices.
Answers to Exercises.
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