| 65 | 65th LS(220823) Ch5.4 SAS Congruence in Triangle (PDF 263) | Jp Park  | 2022-08-24 | 0 |
| 64 | 64th LS(220813) Ch4.6 Similarity and Transformation (PDF 22.. | Jp Park | 2022-08-14 | 0 |
| 63 | 63th LS(220806) Ch4.2 Reflection (PDF 189) | Jp Park | 2022-08-07 | 0 |
| 62 | 62th LS(220802) Ch3.5 Eqs of Parallel & Perpendicular Lines .. | Jp Park | 2022-08-03 | 0 |
| 61 | 61th LS(220730) Ch3.2 Parallel LInes and Transversal (PDF 13.. | Jp Park | 2022-07-31 | 0 |
| 60 | 60th LS(220727) Ch1 Basic Geometry (PDF 62) | Jp Park | 2022-07-28 | 0 |
| 59 | 59th LS(220723) Practice (PDF 151 #9) | Jp Park | 2022-07-24 | 0 |
| 58 | 58th LS(220720) Practice (PDF 128 #35) | Jp Park | 2022-07-21 | 0 |
| 57 | 57th LS(220717) Practice (PDF 120 #7) | Jp Park | 2022-07-18 | 0 |
| 56 | 56th LS(220713) TIP 48 Complex Numbers (PDF 65) | Jp Park | 2022-07-14 | 0 |
| 55 | 55th LS(220709) TIP 34 Combined Rate of work (PDF 49) | Jp Park | 2022-07-10 | 1 |
| 54 | 54th LS(220706) TIP 28 Ration in Similar Figures (PDF 42) | Jp Park | 2022-07-07 | 0 |
| 53 | 53th LS(220703) TIP 21 Sum and Product of roots (PDF 35) | Jp Park | 2022-07-04 | 0 |
| 52 | 52th Lesson(2022/06/29) TIP 16 Identical function (PDF 30) | Jp Park | 2022-06-30 | 0 |
| 51 | 51th LS(220625) Quadratic Function (PDF 20) | Jp Park | 2022-06-26 | 1 |
| 50 | 50th LS(220611) Graphing Parabola and circle Equations (PDF .. | Jp Park | 2022-06-12 | 0 |
| 49 | 49th LS(220607) Absolute Inequality Equations (PDF 208) | Jp Park | 2022-06-08 | 0 |
| 48 | 48th LS(220604 SAT) Radical Eqs (PDF 192) | Jp Park | 2022-06-05 | 1 |
| 47 | 47th LS(220528) Factoring (PDF 130) | Jp Park | 2022-05-29 | 0 |
| 46 | 46th LS(220524) Pascal Triangle (PDF 97) | Jp Park | 2022-05-25 | 0 |
