| 8 | 8th LS(210909) Basic Geometry (PDF 63) | Jp Park  | 2021-09-10 | 1 |
| 7 | 7th LS(210902) Box and Whisker Plot (PDF 597) | Jp Park | 2021-09-03 | 1 |
| 6 | 6th LS(210830) Radical function(PDF 552) | Jp Park | 2021-08-30 | 1 |
| 5 | 5th LS(210826) Linear Inequality (PDF 272) | Jp Park | 2021-08-27 | 1 |
| 4 | 4th LS(210823) Ch5. Solving System Eqs (PDF 254) | Jp Park | 2021-08-23 | 1 |
| 3 | 3rd LS(210819) Ch4. Writing Linear Function (PDF 221) | Jp Park | 2021-08-19 | 1 |
| 2 | 2nd LS(210816) Transformation of Graph(PDF 154) | Jp Park | 2021-08-16 | 2 |
| 1 | 1st LS(210809) Absolute(PDF 97) | Jp Park | 2021-08-09 | 4 |
