These examples are annotated with answers.

Chapter 1: Decimal Notation

Chapter 2: Large and Small Numbers

Chapter 3: Measurement

Chapter 4: Uses of Variables

Chapter 5: Patterns Leading to Addition

Chapter 6: Problem-Solving Strategies

Chapter 7: Patterns Leading to Subtraction

Chapter 8: Displays

Chapter 9: Patterns Leading to Multiplication

Chapter 10: Multiplication and Other Operations

Chapter 11: Patterns Leading to Division

Chapter 12: Real Numbers, Area, and Volume

Chapter 13: Coordinate Graphs and Equations