Lesson 1: Representing Fact Families

Lesson 2: Simple Inverse Relationships

Lesson 3: Analyzing Addition Equations

Lesson 4: Analyzing More Equations

Lesson 5: Odd and Even Relationships

Lesson 6: Analyzing Repeated Addition

Lesson 7: Building Arrays

Lesson 8: Basic Fact Relationships

Lesson 9: Exploring Place Value

Lesson 10: Exploring Standard Form

Lesson 11: Exploring Whole Numbers

Lesson 12: Exploring Word Form

Lesson 13: Comparing Whole Numbers

Lesson 14: Real-World Numbers

Lesson 15: Powerful Facts

Lesson 16: Estimating With Powerful Facts

Lesson 17: Developing Addition Algorithms

Lesson 18: Comparing Addition Algorithms

Lesson 19: Solving Addition Problems

Lesson 20: Developing Subtraction Algorithms

Lesson 21: Comparing Subtraction Algorithms

Lesson 22: Solving Subtraction Problems

Lesson 23: Solving Addition and Subtraction Problems

Lesson 24: Applying Algorithms

Lesson 25: Analyzing Multiplication Equations

Lesson 26: More Powerful Facts

Lesson 27: Multiplication Strategies

Lesson 28: More Inverse Relationships

Lesson 29: Division Strategies

Lesson 30: Solving a Variety of Problems