| 21 | 21th LS(210314) 11.1 Area of Triangles and Parallelograms (P.. | Jp Park  | 2021-03-15 | 7 |
| 22 | 22th LS(210320) 11.4 Circumference and arc length (PDF P774) | Jp Park | 2021-03-20 | 8 |
| 23 | 23th LS(210321) 11.7 Use Geometric Probability (PDF P794) | Jp Park | 2021-03-22 | 6 |
| 24 | 24th LS(210327) 12.2 Surface area and Cylinders (PDF P809) | Jp Park | 2021-03-27 | 9 |
| 25 | 25th LS(210328) 12.6 Surface area and Volume of Spheres (PDF.. | Jp Park | 2021-03-29 | 9 |
| 26 | 26th LS(210403) 12.7 Explore Similar Solids | Jp Park | 2021-04-03 | 5 |
| 27 | 27th LS(210404) 1.2. Transformation of Linear and Absolute V.. | Jp Park | 2021-04-05 | 12 |
| 28 | 28th LS(210411) 1.4 Solving Linear System | Jp Park | 2021-04-12 | 6 |
| 29 | 29th LS(210424) 2.1 Transformation of Quadratic Functions(P5.. | Jp Park | 2021-04-24 | 9 |
| 30 | 30th LS(210425) 2.2 Characteristics of Quadratic Functions(P.. | Jp Park | 2021-04-26 | 7 |
| 31 | 31th LS(210502) 2.4 Modeling with Quadratic Functions(P82) | Jp Park | 2021-05-03 | 9 |
| 32 | 32th LS(210508) 3.2 Complex Numbers(PDF 112) | Jp Park | 2021-05-08 | 5 |
| 33 | 33th LS(210509) 3.4 Quadratic Formula(PDF 131) | Jp Park | 2021-05-10 | 5 |
| 34 | 34th LS(210515) 3.6 Quadratic Inequality(PDF 153) | Jp Park | 2021-05-15 | 5 |
| 35 | 35th LS(210516) 4.2 Adding, Subtracting, and Multiplying Pol.. | Jp Park | 2021-05-17 | 9 |
| 36 | 36th LS(210522) 4.4 Factoring Polynomials(PDF 186) | Jp Park | 2021-05-22 | 4 |
| 37 | 37th LS(210523) 4.6 Fundamental Theorem of Algebra (PDF 203) | Jp Park | 2021-05-23 | 7 |
| 38 | 38th LS(210529) 4.9 Modeling with Polynomial Functions (PDF .. | Jp Park | 2021-05-29 | 9 |
| 39 | 39th LS(210530) 5.1 nth Roots of rational Functions (PDF 242.. | Jp Park | 2021-05-31 | 7 |
| 40 | 40th LS(210604) 5.3 Graphing Radical Functions (PDF 257) | Jp Park | 2021-06-05 | 5 |
