Lesson 1: The Relationship of Addition and Subtraction Lesson 2: The Relationship of Multiplication and Division Lesson 3: The Relationship of Multiplication and Addition Lesson 4: The Relationship of Division and Subtraction
Lesson 5: Exponents Lesson 6: The Order of Operations..
Lesson 7: Replacing Letters with Numbers Lesson 8: Replacing Numbers with Letters
Lesson 9: Writing Addition and Subtraction Expressions Lesson 10: Writing and Expanding Multiplication Expressions Lesson 11: Factoring Expressions Lesson 12: Distributing Expressions Lessons 13–14: Writing Division Expressions
Lesson 15: Read Expressions in Which Letters Stand for Numbers Lessons 16–17: Write Expressions in Which Letters Stand for Numbers.
Lesson 18: Writing and Evaluating Expressions—Addition and Subtraction Lesson 19: Substituting to Evaluate Addition and Subtraction Expressions Lesson 20: Writing and Evaluating Expressions—Multiplication and Division Lesson 21: Writing and Evaluating Expressions—Multiplication and Addition Lesson 22: Writing and Evaluating Expressions—Exponents
Lessons 23–24: True and False Number Sentences Lesson 25: Finding Solutions to Make Equations True Lesson 26: One-Step Equations—Addition and Subtraction Lesson 27: One-Step Equations—Multiplication and Division Lesson 28: Two-Step Problems—All Operations Lesson 29: Multi-Step Problems—All Operations
Lesson 30: One-Step Problems in the Real World Lesson 31: Problems in Mathematical Terms Lesson 32: Multi-Step Problems in the Real World Lesson 33: From Equations to Inequalities Lesson 34: Writing and Graphing Inequalities in Real-World Problems