| 145 | 145th LS(220103) AMC 1997 | Jp Park  | 2022-01-03 | 0 |
| 144 | 144th LS(211230) 3.3 Proof of Parallel LInes (PDF 147) & AMC.. | Jp Park | 2021-12-30 | 0 |
| 143 | 143th LS(211227) 2000 AMC 8 (#22) | Jp Park | 2021-12-27 | 0 |
| 142 | 142th LS(211225) 3.1 Pairs of Lines and Angles (PDF 132)+200.. | Jp Park | 2021-12-25 | 0 |
| 141 | 141th LS(211223) 2.6 Proving Geometric Relationship+2004 AMC | Jp Park | 2021-12-23 | 0 |
| 140 | 140th LS(211220) 2005 AMC(#23) | Jp Park | 2021-12-20 | 0 |
| 139 | 139th LS(211218) 2.4 Algebraic reasoning (PDF 100)+2007 AMC | Jp Park | 2021-12-18 | 0 |
| 138 | 138th LS(211216) 2.2 Inductive and deductive reasoning (PDF.. | Jp Park | 2021-12-16 | 0 |
| 137 | 137th LS(211211) 2.1 Conditional Statements (PDF 76)+2009 AM.. | Jp Park | 2021-12-11 | 0 |
| 136 | 136th LS(211209) 1.6 Describe Pairs of Angles (PDF 63)+2010 .. | Jp Park | 2021-12-10 | 0 |
| 135 | 135th LS(211204) 1.4 Perimeter and area (PDF 36)+2011 AMC | Jp Park | 2021-12-05 | 0 |
| 134 | 134th LS(211202) 1.3 Using Midpoint and Distance (PDF 30)+20.. | Jp Park | 2021-12-02 | 0 |
| 133 | 133th LS(211127) 1.1 Points, Line and Planes (PDF 10)+2013 A.. | Jp Park | 2021-11-27 | 0 |
| 132 | 132th LS(211125) 11.4 Two Way Table (PDF 618)+2014 AMC | Jp Park | 2021-11-26 | 0 |
| 131 | 131th LS(211120) 11.3 Shape of Distribution (PDF 609) | Jp Park | 2021-11-20 | 0 |
| 130 | 130th LS(211118) 11.2 Box and Whisker (PDF 598) | Jp Park | 2021-11-18 | 0 |
| 129 | 129th LS(211113) 11.1 Measure of center and variation (PDF 5.. | Jp Park | 2021-11-13 | 0 |
| 128 | 128th LS(211111) 10.4 Inverse Function, AMC 8 | Jp Park | 2021-11-11 | 0 |
| 127 | 127th LS(211107) 10.3 Solving Radical Function AMC 8 | Jp Park | 2021-11-07 | 0 |
| 125 | 125th LS(211030) 10.1 Graphing Square root function (PDF 550.. | Jp Park | 2021-10-31 | 0 |
