Math 7 Lesson 1 – Writing Expressions Lesson 2 – Evaluating Expressions Lesson 3 – Expression Models Lesson 4 – Adding Algebraic Terms Lesson 5 – Subtracting Algebraic Terms Lesson 6 – Simplifying Algebraic Expressions Lesson 7 – Vertical Addition of Expressions Lesson 8 – Expressions With DistributiveProperty Lesson 9 – Factoring Expressions