## Table of Contents

**1. Arithmetic of Whole Numbers**

Preview

1-1 Reading, Writing, Rounding, and Adding Whole Numbers

1-2 Subtraction of Whole Numbers

1-3 Multiplication of Whole Numbers

1-4 Division of Whole Numbers

1-5 Order of Operations

Using a Calculator, I: Whole-Number Calculations

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**2. Fractions**

Preview

2-1 Working with Fractions

2-2 Multiplication of Fractions

2-3 Division of Fractions

2-4 Addition and Subtraction of Fractions

Using a Calculator, II: Fractions

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**3. Decimal Numbers**

Preview

3-1 Addition and Subtraction of Decimal Numbers

3-2 Multiplication and Division of Decimal Numbers

3-3 Decimal Fractions

Using a Calculator, III: Decimals

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**4. Ratio, Proportion, and Percent**

Preview

4-1 Ratio and Proportion

4-2 Special Applications of Ratio and Proportion

4-3 Introduction to Percent

4-4 Percent Problems

4-5 Special Applications of Percent Calculations

**5. Measurement**

Preview

5-1 Working with Measurement Numbers

5-2 U.S. Customary Units and Unit Conversion

5-3 Metric Units

5-4 Direct Measurements

**6. Pre-Algebra**

Preview

6-1 Addition of Signed Numbers

6-2 Subtraction of Signed Numbers

6-3 Multiplication and Division of Signed Numbers

6-4 Exponents and Square Roots

**7. Basic Algebra**

Preview

7-1 Algebraic Language and Formulas

7-2 Adding and Subtracting Algebraic Expressions

7-3 Solving Simple Equations

7-4 Solving Two-Step Equations

7-5 Solving More Equations and Solving Formulas

7-6 Solving Word Problems

7-7 Multiplying and Dividing Algebraic Expressions

7-8 Scientific Notation

**8. Practical Plane Geometry**

Preview

8-1 Angle Measurement

8-2 Perimeter of Polygons and Area of Quadrilaterals

8-3 Triangles, Regular Hexagons, and Irregular Polygons

8-4 Circles

**9. Solid Figures**

Preview

9-1 Prisms

9-2 Pyramids and Frustums of Pyramids

9-3 Cylinders and Spheres

9-4 Cones and Frustums of Cones

**10. Triangle Trigonometry**

Preview

10-1 Angles and Triangles

10-2 Trigonometric Ratios

10-3 Solving Right Triangles

10-4 Oblique Triangles (Optional)

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**11. Intermediate Algebra**

Preview

11-1 Systems of Equations

11-2 Quadratic Equations

**12. Statistics**

Preview

12-1 Reading and Constructing Graphs

12-2 Measures of Central Tendency

Answers to Previews

Answers to Odd-Numbered Problems

Protractor, Multiplication Table, and Metric Ruler