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SECTION
1 FRACTIONS AND DECIMALS
Introduction to Common Fractions
Fractional Divisions of the Steel Rule
Addition of Common Fractions
Subtraction of Common Fractions
Multiplication of Common Fractions
Summary of Common Fractions
Introduction to Decimal Fractions
The Steel Rule: Decimal Divisions
Addition and Subtraction of Decimal Fractions
Multiplication of Decimal Fractions
Division of Decimal Fractions
Rounding Off Decimals
Changing Fractions and Decimals
Other Uses of Fractions and Decimals
The Decimal Equivalent Table
Dividing Lines
Use of Tables-Trade Data
The Micrometer Degree of Accuracy
SECTION 2 LINEAR MEASURE
The Units of Linear Measure
Addition and Subtraction of Units of Linear Measure
Multiplication of Units of Linear Measure
Division of Units of Linear Measure
SECTION 3 AVERAGES; PERCENTAGES; COSTS; AND WAGES
Averages
Percentage
Percentage -- Additional Applications
Wages
Weights and Costs
Factory Cost and Selling Price
SECTION 4 GEOMETRY
The Circle
The Units of Angular Measure
The Protractor
Triangles
Intersecting Lines
Parallel Lines
Square, Rectangle, and Trapezoid
Arcs of Circles and Tangents to Circles
SECTION 5 EQUATIONS
Introduction to Symbols
Grouping Symbols
Introduction to Equations
How to Solve Equations by Division
How to Solve Equations by Multiplication
How to Solve Equations by Subtraction
How to Solve Equations by Addition
Exponents
How to Solve Equations by Square Root
Summary of Equations
SECTION 6 RATIO AND PROPORTION
Introduction to Ratio
Unit
Ratio Applied to Scale Drawings
Direct Proportion
Inverse Proportion
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SECTION
7 PERIMETER
Introduction to Formulas
Perimeter of a Square
Perimeters of Rectangles and Triangles
Circumference of a Circle
Perimeter of a Semicircular-Sided Figure
SECTION 8
AREA MEASURE
The Units of Area Measure
Area of a Square
Area of a Rectangle
Area of a Triangle,
Area of a Trapezoid
Area of a Circle
Addition and Subtraction of Areas
Area of Semicircular-Sided Figures and Solids
SECTION 9 VOLUME MEASURE
Description of Parallel-Sided Solids
The Units of Volume Measure
Volumes: The Cube, The Square Prism, and the Rectangular Solid
Volumes of Cylindrical, Semicircular-Sided, and Spherical-Ended Solids
Volumes of Cones and Pyramids
SECTION 10 FORMULAS: SPECIAL PROBLEMS
Allowances for Edges
Allowances for Seams
Stretch outs of Square Pipes
Stretch outs of Rectangular Pipes
Stretch outs of Circular Jobs
Stretch outs of Semicircular-Sided Jobs
Stretch outs of Boxes
Number of Pieces From a Sheet
Length of Wire for Edges of Jobs
Length of Arcs of Circles
Description of Tapered Solids
Law of Right Triangles
Stretch outs of Cones
Roof Pitches
Bend Allowances
Surface Speeds of Rotating Cylinders
SECTION 11 TRIGOMETRY
Introduction to Trigonometry
Using the Tangent Formula
Using the Sine Formula
Using the Cosine Formula
Selection of Formulas
SECTION 12 GRAPHS
Bar Graphs
Circle Graphs
Line Graphs
SECTION 13 PRACTICAL PROBLEMS
On-The-Job Applications
APPENDIX
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