1.1 An Introduction to Problem Solving.

1.2 Pólya's Problem-Solving Principles.

1.3 More Problem-Solving Strategies.

1.4 Algebra as Problem-Solving Strategy

1.5 Additional Problem-Solving Strategies

1.6 Reasoning Mathematically 

2.1 Sets and Operations on Sets.

2.2 Sets, Counting, and the Whole Numbers.

2.3 Addition and Subtraction of Whole Numbers.

2.4 Multiplication and Division of Whole Numbers.

3.1 Numeration Systems Past and Present.

3.2 Non-decimal Positional Systems.

3.3 Algorithms for Adding and Subtracting

3.4 Algorithms for Multiplication and Division

3.5 Mental Arithmetic and Estimation.

3.6 Getting the Most Out of Your Calculator.

4.1 Divisibility of Natural Numbers.

4.2 Tests for Divisibility.

4.3 Greatest Divisors Least Common Multiples.

4.4 Codes and Credit Card Numbers.

5.1 Representations of Integers.

5.2 Addition and Subtraction of Integers.

5.3 Multiplication and Division of Integers.

6.1 Basic Concepts of Fractions and Rational Numbers

6.2 Addition and Subtraction of Fractions

6.3 Multiplication and Division of Fractions

6.4 Properties and Applications of Rational Numbers 

7.1 Decimals and Real Numbers

7.2 Computations with Decimals.

7.3 Proportional Reasoning

7.4 Percent. 

8.1 Expressions, Functions, and Equations

8.2 Graphing Functions in the Cartesian Plane