| Lesson 4.1 | Polynomials in One Variable |
| Lesson 4.2 | Adding and Subtracting Polynomials |
| Lesson 4.3 | Multiplying Polynomials |
| Lesson 4.4 | Factoring out the GCF of expressions with two or more terms |
| Lesson 4.5 | Factoring Binomials |
| Lesson 4.6 | Factoring the Difference of Perfect Squares |