| 63 | 62th LS(200925) 직선의 위치관계와 각(동위각, 엇각) 시험대비 | Jp Park  | 2020-09-25 | 1 |
| 61 | 60th LS(200921) 3.1 Solving Quadratic Eqn(P100) | Jp Park | 2020-09-24 | 1 |
| 60 | 59th LS(200918) 2.2 Characteristics Quadratic Function(P62) | Jp Park | 2020-09-18 | 1 |
| 58 | 57th LS(200914) 1 Parents Functions and Transformations(P7) | Jp Park | 2020-09-14 | 1 |
| 55 | 54th LS(200907) Using Deductive Reasoning Problem solving | Jp Park | 2020-09-07 | 1 |
| 54 | 53th LS(200904) Using Deductive Reasoning to Verify Conject.. | Jp Park | 2020-09-04 | 1 |
| 53 | 52th LS(200831) Statements, Converse, Inverse, Contrapositio.. | Jp Park | 2020-08-31 | 1 |
| 52 | 51th LS(200828) Using Inductive Reasoning to Make Conjecture.. | Jp Park | 2020-08-28 | 1 |
| 51 | 50th LS(200826) Line Segment and Circle given length | Jp Park | 2020-08-26 | 1 |
| 48 | 47th LS(200819) Ch8.1 Similar Polygons (p423) | Jp Park | 2020-08-19 | 1 |
| 43 | 42th LS(200731) Ch4.2 Adding, Subtracting and Multiplying P.. | Jp Park | 2020-07-31 | 1 |
| 42 | 41th LS(200729) Ch3.6 Quadratic Inequalities(p145) | Jp Park | 2020-07-29 | 1 |
| 39 | 38th LS(200720) Ch3.3 Completing Square(p115) | Jp Park | 2020-07-20 | 1 |
| 37 | 36th LS(200715) Ch2.4 Modeling with Quadratic Functions(p79) | Jp Park | 2020-07-15 | 1 |
| 36 | 35th LS(200713) Ch2.2 Exercise(p63) | Jp Park | 2020-07-13 | 1 |
| 35 | 34th LS(200710) Ch2.2 Characteristic of Quadratic Function(p.. | Jp Park | 2020-07-10 | 1 |
| 31 | 30th LS(200701) Ch1 Translation, Reflection, Dialation(p18) | Jp Park | 2020-07-01 | 1 |
| 30 | 29th LS(200629) Ch1 Linear Fuctions 복습(p6) | Jp Park | 2020-06-29 | 1 |
| 29 | 28th LS(200626) Ch1 Linear Fuctions(P6) | Jp Park | 2020-06-26 | 1 |
| 28 | 27th LS(200624) Ch12.5 Permutation and Combination(P703) | Jp Park | 2020-06-24 | 1 |
