Practical Problems in Mathematics for

The Practical Problems in Mathematics series offers students and trainees of specific trades the opportunity to practice math principles in problems designed for each area of interest. Practical Problems in Mathematics for Electricians, 6th Edition contains 44 instructional units featuring updated material and the addition of new problems and examples related to electricity. The book offers an excellent opportunity to test and develop problem-solving skills, while at the same time providing a valuable review of electrical terminology.

Stephen L. Herman has been both a teacher for industrial electricity and an industrial electrician for many years. He has worked as a maintenance electrician and as a class "A" electrician. Presently he is an instructor of industrial electricity at Lee College in Baytown, Texas

Preface	p. vii
To the Student	p. ix
Whole Numbers	p. 1
Addition of Whole Numbers	p. 1
Subtraction of Whole Numbers	p. 5
Multiplication of Whole Numbers	p. 10
Division of Whole Numbers	p. 14
Combined Operations with Whole Numbers	p. 18
Common Fractions	p. 22
Addition of Common Fractions	p. 22
Subtraction of Common Fractions	p. 28
Multiplication of Common Fractions	p. 32
Division of Common Fractions	p. 36
Combined Operations with Common Fractions	p. 39
Decimal Fractions	p. 42
Addition of Decimal Fractions	p. 42
Subtraction of Decimal Fractions	p. 46
Multiplication of Decimal Fractions	p. 49
Division of Decimal Fractions	p. 52
Decimal and Common Fraction Equivalents	p. 55
Combined Operations with Decimal Fractions	p. 59
Percents, Averages, and Estimates	p. 62
Percent and Percentage	p. 62
Interest	p. 66
Discount	p. 69
Averages and Estimates	p. 72
Combined Problems on Percents, Averages, and Estimates	p. 75
Powers and Roots	p. 77
Powers	p. 77
Roots	p. 80
Combined Operations with Powers and Roots	p. 85
Metric Measure and Scientific Notation	p. 87
Measure	p. 92
Length Measure	p. 92
Area Measure	p. 97
Volume and Mass Measure	p. 103
Energy and Temperature Measure	p. 108
Combined Problems on Measure	p. 111
Ratio and Proportion	p. 113
Ratio	p. 113
Proportion	p. 115
Combined Operations with Ratio and Proportion	p. 118
Formulas	p. 120
Representation in Formulas	p. 120
Rearrangement in Formulas	p. 124
General Simple Formulas	p. 127
Ohm's Law Formulas	p. 137
Power Formulas	p. 143
Combined Problems on Formulas	p. 146
Trigonometry	p. 149
Right Triangles	p. 149
Trigonometric Functions	p. 153
Plane Vectors	p. 161
Rotating Vectors	p. 168
Combined Problems in Trigonometry	p. 172
Appendix	p. 175
Glossary	p. 183
Answers to Odd-Numbered Problems	p. 186
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Practical Problems in Mathematics for Electricians

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Table of Contents

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