| 70 | 70th LS(210411) 7.3 Linear Functions (PDF 294) | Jp Park  | 2021-04-11 | 0 |
| 71 | 71th LS(210414) 7.4 Comparing Linear and Nonlinear Function.. | Jp Park | 2021-04-14 | 0 |
| 72 | 72th LS(210417) 7.5 Analyzing and Sketching Graphs (PDF 306) | Jp Park | 2021-04-18 | 0 |
| 73 | 73th LS(210421) 8.2 Product of Exponents (PDF 330) | Jp Park | 2021-04-21 | 0 |
| 74 | 74th LS(210424) 8.4 Zero and Negative Exponents (PDF 342) | Jp Park | 2021-04-24 | 0 |
| 75 | 75th LS(210429) 8.6 Scientific Notation (PDF 354) | Jp Park | 2021-04-29 | 0 |
| 76 | 76th LS(210501) 8.7 Operation in Scientific Notation (PDF 36.. | Jp Park | 2021-05-01 | 0 |
| 77 | 77th LS(210505) Probability and Statistics 시험대비 복습 | Jp Park | 2021-05-05 | 0 |
| 78 | 78th LS(210508) 9.1 Finding Roots | Jp Park | 2021-05-09 | 0 |
| 79 | 79th LS(210512) 9.2 Pythagorean theorem | Jp Park | 2021-05-12 | 0 |
| 7 | 7th LS(200818) 유리수의 대소관계 연습문제(P68) | Jp Park | 2020-08-18 | 2 |
| 80 | 80th LS(210515) 9.3 Finding Cube Roots | Jp Park | 2021-05-15 | 0 |
| 81 | 81th LS(210519) 9.4 Rational Numbers (PDF 403) | Jp Park | 2021-05-19 | 0 |
| 82 | 82th LS(210522) 9.5 Irrational Numbers (PDF 408) | Jp Park | 2021-05-22 | 0 |
| 83 | 83th LS(210526) 9.6 The Converse of the Pythagorean Theorem .. | Jp Park | 2021-05-26 | 0 |
| 84 | 84th LS(210529) 10.1 Volume of Cylinder (PDF 432) | Jp Park | 2021-05-29 | 0 |
| 85 | 85th LS(210602) 10.3 Volume of Sphere (PDF 448) | Jp Park | 2021-06-02 | 0 |
| 86 | 86th LS(210605) 10.4 Surface Areas and Volumes of Similiar S.. | Jp Park | 2021-06-06 | 0 |
| 87 | 87th LS(210612) 1.2 Solving Multi-Step Eqs (PDF 20) | Jp Park | 2021-06-13 | 0 |
| 88 | 88th LS(210616) 1.4 Solving Absolute Value Eqs (PDF 34) | Jp Park | 2021-06-16 | 0 |
