| 108. |
Day 91 |
Handwritten PDF,
Video
|
Enoch Yu |
31 October 2026 |
Problem of the Day for 100 Days |
| 107. |
Day 90 |
Handwritten PDF,
Video
|
Enoch Yu |
30 October 2026 |
Problem of the Day for 100 Days |
| 106. |
Day 89 |
Handwritten PDF,
Video
|
Enoch Yu |
27 October 2026 |
Problem of the Day for 100 Days |
| 105. |
Day 88 |
Handwritten PDF,
Video
|
Enoch Yu |
21 October 2026 |
Problem of the Day for 100 Days |
| 104. |
Day 87 |
Handwritten PDF,
Video
|
Enoch Yu |
8 October 2026 |
Problem of the Day for 100 Days |
| 103. |
Day 86 |
Handwritten PDF,
Video
|
Enoch Yu |
16 September 2026 |
Problem of the Day for 100 Days |
| 102. |
Day 85 |
Handwritten PDF,
Video
|
Enoch Yu |
15 September 2026 |
Problem of the Day for 100 Days |
| 101. |
Day 84 |
Handwritten PDF,
Video
|
Enoch Yu |
7 September 2026 |
Problem of the Day for 100 Days |
| 100. |
Day 83 |
Handwritten PDF,
Video
|
Enoch Yu |
10 August 2026 |
Problem of the Day for 100 Days |
| 99. |
Day 82 |
Handwritten PDF,
Video
|
Enoch Yu |
3 August 2026 |
Problem of the Day for 100 Days |
| 98. |
Day 81 |
Handwritten PDF,
Video
|
Enoch Yu |
30 July 2026 |
Problem of the Day for 100 Days |
| 97. |
Day 80 |
Handwritten PDF,
Video
|
Enoch Yu |
28 July 2026 |
Problem of the Day for 100 Days |
| 96. |
Day 79 |
Handwritten PDF,
Video
|
Enoch Yu |
28 July 2026 |
Problem of the Day for 100 Days |
| 95. |
Day 78 |
Handwritten PDF,
Video
|
Enoch Yu |
28 July 2026 |
Problem of the Day for 100 Days |
| 94. |
Day 77 |
Handwritten PDF,
Video
|
Enoch Yu |
28 July 2026 |
Problem of the Day for 100 Days |
| 93. |
Day 76 |
Handwritten PDF,
Video
|
Enoch Yu |
28 July 2026 |
Problem of the Day for 100 Days |
| 92. |
Day 75 |
Handwritten PDF,
Video
|
Enoch Yu |
28 July 2026 |
Problem of the Day for 100 Days |
| 91. |
Day 74 |
Handwritten PDF,
Video
|
Enoch Yu |
28 July 2026 |
Problem of the Day for 100 Days |
| 90. |
Day 73 |
Handwritten PDF,
Video
|
Enoch Yu |
28 July 2026 |
Problem of the Day for 100 Days |
| 89. |
Day 72 |
Handwritten PDF,
Video
|
Enoch Yu |
28 July 2026 |
Problem of the Day for 100 Days |
| 88. |
Day 71 |
Handwritten PDF,
Video
|
Enoch Yu |
28 July 2026 |
Problem of the Day for 100 Days |
| 87. |
Day 70 |
Handwritten PDF,
Video
|
Enoch Yu |
28 July 2026 |
Problem of the Day for 100 Days |
| 86. |
Day 69 |
Handwritten PDF,
Video
|
Enoch Yu |
28 July 2026 |
Problem of the Day for 100 Days |
| 85. |
Day 68 |
Handwritten PDF,
Video
|
Enoch Yu |
28 July 2026 |
Problem of the Day for 100 Days |
| 84. |
Day 67 |
Handwritten PDF,
Video
|
Enoch Yu |
28 July 2026 |
Problem of the Day for 100 Days |
| 83. |
Day 66 |
Handwritten PDF,
Video
|
Enoch Yu |
28 July 2026 |
Problem of the Day for 100 Days |
| 82. |
Day 65 |
Handwritten PDF,
Video
|
Enoch Yu |
28 July 2026 |
Problem of the Day for 100 Days |
| 81. |
Day 64 |
Handwritten PDF,
Video
|
Enoch Yu |
28 July 2026 |
Problem of the Day for 100 Days |
| 80. |
Day 63 |
Handwritten PDF,
Video
|
Enoch Yu |
28 July 2026 |
Problem of the Day for 100 Days |
| 79. |
Day 62 |
Handwritten PDF,
Video
|
Enoch Yu |
28 July 2026 |
Problem of the Day for 100 Days |
| 78. |
Day 61 |
Handwritten PDF,
Video
|
Enoch Yu |
28 July 2026 |
Problem of the Day for 100 Days |
| 77. |
Day 60 |
Handwritten PDF,
Video
|
Enoch Yu |
28 July 2026 |
Problem of the Day for 100 Days |
| 76. |
Day 59 |
Handwritten PDF,
Video
|
Enoch Yu |
28 July 2026 |
Problem of the Day for 100 Days |
| 75. |
Day 58 |
Handwritten PDF,
Video
|
Enoch Yu |
28 July 2026 |
Problem of the Day for 100 Days |
| 74. |
Day 57 |
Handwritten PDF,
Video
|
Enoch Yu |
28 July 2026 |
Problem of the Day for 100 Days |
| 73. |
Day 56 |
Handwritten PDF,
Video
|
Enoch Yu |
28 July 2026 |
Problem of the Day for 100 Days |
| 72. |
Day 55 |
Handwritten PDF,
Video
|
Enoch Yu |
28 July 2026 |
Problem of the Day for 100 Days |
| 71. |
Day 54 |
Handwritten PDF,
Video
|
Enoch Yu |
28 July 2026 |
Problem of the Day for 100 Days |
| 70. |
Day 53 |
Handwritten PDF,
Video
|
Enoch Yu |
28 July 2026 |
Problem of the Day for 100 Days |
| 69. |
Day 52 |
Handwritten PDF,
Video
|
Enoch Yu |
28 July 2026 |
Problem of the Day for 100 Days |
| 68. |
Day 51 |
Handwritten PDF,
Video
|
Enoch Yu |
28 July 2026 |
Problem of the Day for 100 Days |
| 67. |
Day 50 |
Handwritten PDF,
Video
|
Enoch Yu |
28 July 2026 |
Problem of the Day for 100 Days |
| 66. |
Day 49 |
Handwritten PDF,
Video
|
Enoch Yu |
28 July 2026 |
Problem of the Day for 100 Days |
| 65. |
Day 48 |
Handwritten PDF,
Video
|
Enoch Yu |
28 July 2026 |
Problem of the Day for 100 Days |
| 64. |
Day 47 |
Handwritten PDF,
Video
|
Enoch Yu |
28 July 2026 |
Problem of the Day for 100 Days |
| 63. |
Day 46 |
Handwritten PDF,
Video
|
Enoch Yu |
28 July 2026 |
Problem of the Day for 100 Days |
| 62. |
Day 45 |
Handwritten PDF,
Video
|
Enoch Yu |
28 July 2026 |
Problem of the Day for 100 Days |
| 61. |
Day 44 |
Handwritten PDF,
Video
|
Enoch Yu |
28 July 2026 |
Problem of the Day for 100 Days |
| 60. |
Day 43 |
Handwritten PDF,
Video
|
Enoch Yu |
28 July 2026 |
Problem of the Day for 100 Days |
| 59. |
Day 42 |
Handwritten PDF,
Video
|
Enoch Yu |
28 July 2026 |
Problem of the Day for 100 Days |
| 58. |
Day 41 |
Handwritten PDF,
Video
|
Enoch Yu |
28 July 2026 |
Problem of the Day for 100 Days |
| 57. |
Day 40 |
Handwritten PDF,
Video
|
Enoch Yu |
28 July 2026 |
Problem of the Day for 100 Days |
| 56. |
Day 39 |
Handwritten PDF,
Video
|
Enoch Yu |
28 July 2026 |
Problem of the Day for 100 Days |
| 55. |
Day 38 |
Handwritten PDF,
Video
|
Enoch Yu |
28 July 2026 |
Problem of the Day for 100 Days |
| 54. |
Day 37 |
Handwritten PDF,
Video
|
Enoch Yu |
28 July 2026 |
Problem of the Day for 100 Days |
| 53. |
Day 36 |
Handwritten PDF,
Video
|
Enoch Yu |
28 July 2026 |
Problem of the Day for 100 Days |
| 52. |
Day 35 |
Handwritten PDF,
Video
|
Enoch Yu |
28 July 2026 |
Problem of the Day for 100 Days |
| 51. |
Day 34 |
Handwritten PDF,
Video
|
Enoch Yu |
28 July 2026 |
Problem of the Day for 100 Days |
| 50. |
Day 33 |
Handwritten PDF,
Video
|
Enoch Yu |
28 July 2026 |
Problem of the Day for 100 Days |
| 49. |
Day 32 |
Handwritten PDF,
Video
|
Enoch Yu |
28 July 2026 |
Problem of the Day for 100 Days |
| 48. |
Day 31 |
Handwritten PDF,
Video
|
Enoch Yu |
28 July 2026 |
Problem of the Day for 100 Days |
| 47. |
Day 30 |
Handwritten PDF,
Video
|
Enoch Yu |
28 July 2026 |
Problem of the Day for 100 Days |
| 46. |
Day 29 |
Handwritten PDF,
Video
|
Enoch Yu |
28 July 2026 |
Problem of the Day for 100 Days |
| 45. |
Day 28 |
Handwritten PDF,
Video
|
Enoch Yu |
28 July 2026 |
Problem of the Day for 100 Days |
| 44. |
Day 27 |
Handwritten PDF,
Video
|
Enoch Yu |
28 July 2026 |
Problem of the Day for 100 Days |
| 43. |
Day 26 |
Handwritten PDF,
Video
|
Enoch Yu |
28 July 2026 |
Problem of the Day for 100 Days |
| 42. |
Day 25 |
Handwritten PDF,
Video
|
Enoch Yu |
28 July 2026 |
Problem of the Day for 100 Days |
| 41. |
Day 24 |
Handwritten PDF,
Video
|
Enoch Yu |
28 July 2026 |
Problem of the Day for 100 Days |
| 40. |
Day 23 |
Handwritten PDF,
Video
|
Enoch Yu |
28 July 2026 |
Problem of the Day for 100 Days |
| 39. |
Day 22 |
Handwritten PDF,
Video
|
Enoch Yu |
28 July 2026 |
Problem of the Day for 100 Days |
| 38. |
Day 21 |
Handwritten PDF,
Video
|
Enoch Yu |
28 July 2026 |
Problem of the Day for 100 Days |
| 37. |
Day 20 |
Handwritten PDF,
Video
|
Enoch Yu |
28 July 2026 |
Problem of the Day for 100 Days |
| 36. |
Day 19 |
Handwritten PDF,
Video
|
Enoch Yu |
28 July 2026 |
Problem of the Day for 100 Days |
| 35. |
Day 18 |
Handwritten PDF,
Video
|
Enoch Yu |
28 July 2026 |
Problem of the Day for 100 Days |
| 34. |
Day 17 |
Handwritten PDF,
Video
|
Enoch Yu |
28 July 2026 |
Problem of the Day for 100 Days |
| 33. |
Day 16 |
Handwritten PDF,
Video
|
Enoch Yu |
28 July 2026 |
Problem of the Day for 100 Days |
| 32. |
Day 15 |
Handwritten PDF,
Video
|
Enoch Yu |
28 July 2026 |
Problem of the Day for 100 Days |
| 31. |
Day 14 |
Handwritten PDF,
Video
|
Enoch Yu |
28 July 2026 |
Problem of the Day for 100 Days |
| 30. |
Day 13 |
Handwritten PDF,
Video
|
Enoch Yu |
28 July 2026 |
Problem of the Day for 100 Days |
| 29. |
Day 12 |
Handwritten PDF,
Video
|
Enoch Yu |
28 July 2026 |
Problem of the Day for 100 Days |
| 28. |
Day 11 |
Handwritten PDF,
Video
|
Enoch Yu |
28 July 2026 |
Problem of the Day for 100 Days |
| 27. |
Day 10 |
Handwritten PDF,
Video
|
Enoch Yu |
28 July 2026 |
Problem of the Day for 100 Days |
| 26. |
Day 9 |
Handwritten PDF,
Video
|
Enoch Yu |
28 July 2026 |
Problem of the Day for 100 Days |
| 25. |
Day 8 |
Handwritten PDF,
Video
|
Enoch Yu |
28 July 2026 |
Problem of the Day for 100 Days |
| 24. |
Day 7 |
Handwritten PDF,
Video
|
Enoch Yu |
28 July 2026 |
Problem of the Day for 100 Days |
| 23. |
Day 6 |
Handwritten PDF,
Video
|
Enoch Yu |
28 July 2026 |
Problem of the Day for 100 Days |
| 22. |
Day 5 |
Handwritten PDF,
Video
|
Enoch Yu |
28 July 2026 |
Problem of the Day for 100 Days |
| 21. |
Day 4 |
Handwritten PDF,
Video
|
Enoch Yu |
28 July 2026 |
Problem of the Day for 100 Days |
| 20. |
Day 3 |
Handwritten PDF,
Video
|
Enoch Yu |
28 July 2026 |
Problem of the Day for 100 Days |
| 19. |
Day 2 |
Handwritten PDF,
Video
|
Enoch Yu |
28 July 2026 |
Problem of the Day for 100 Days |
| 18. |
Day 1 |
Handwritten PDF,
Video
|
Enoch Yu |
28 July 2026 |
Problem of the Day for 100 Days |
| 17. |
Math Team Meeting: Shape Maze |
PDF,
Source (Git)
|
Enoch Yu |
24 April 2026 |
Miscellaneous |
| 16. |
07.29.2025 AMC 10, 12 Free Class Preview Homework Solution |
PDF,
Source (Git)
|
Enoch Yu |
29 July 2025 |
2025 Free AMC 10, 12 Class |
| 15. |
07.29.2025 AMC 10 Free Class Preview Homework Solution |
PDF,
Source (Git)
|
Enoch Yu |
29 July 2025 |
2025 Free AMC 10, 12 Class |
| 14. |
07.28.2025 AMC 10, 12 Free Class Slide |
PDF,
Source (Git)
|
Enoch Yu |
28 July 2025 |
2025 Free AMC 10, 12 Class |
| 13. |
07.22.2025 AMC 10, 12 Hard Problems |
PDF,
Source (Git)
|
Enoch Yu |
22 July 2025 |
2025 Free AMC 10, 12 Class |
| 12. |
07.21.2025 AMC 10, 12 Free Class Slide |
PDF,
Source (Git)
|
Enoch Yu |
21 July 2025 |
2025 Free AMC 10, 12 Class |
| 11. |
07.15.2025 AMC 10, 12 Free Class Preview Homework Solution |
PDF,
Source (Git)
|
Enoch Yu |
15 July 2025 |
2025 Free AMC 10, 12 Class |
| 10. |
07.15.2025 AMC 10 Free Class Preview Homework Solution |
PDF,
Source (Git)
|
Enoch Yu |
15 July 2025 |
2025 Free AMC 10, 12 Class |
| 9. |
07.14.2025 AMC 10, 12 Free Class Slide |
PDF,
Source (Git)
|
Enoch Yu |
14 July 2025 |
2025 Free AMC 10, 12 Class |
| 8. |
07.11.2025 AMC 10, 12 Free Class |
PDF,
Source (Git)
|
Enoch Yu |
11 July 2025 |
2025 Free AMC 10, 12 Class |
| 7. |
07.08.2025 AMC 10, 12 Free Class Preview Homework Solution |
PDF,
Source (Git)
|
Enoch Yu |
8 July 2025 |
2025 Free AMC 10, 12 Class |
| 6. |
07.08.2025 AMC 10 Free Class Preview Homework Solution |
PDF,
Source (Git)
|
Enoch Yu |
8 July 2025 |
2025 Free AMC 10, 12 Class |
| 5. |
07.01.2025 AMC 10, 12 Free Class Preview Homework Solution |
PDF,
Source (Git)
|
Enoch Yu |
1 July 2025 |
2025 Free AMC 10, 12 Class |
| 4. |
2025 Free AMC 8 Class Problem Set 4 |
PDF,
Video,
Source (Git)
|
Enoch Yu |
1 September 2025 |
2025 Free AMC 8 Class |
| 3. |
2025 Free AMC 8 Class Problem Set 3 |
PDF,
Video,
Source (Git)
|
Enoch Yu |
25 August 2025 |
2025 Free AMC 8 Class |
| 2. |
2025 Free AMC 8 Class Problem Set 2 |
PDF,
Video,
Source (Git)
|
Enoch Yu |
18 August 2025 |
2025 Free AMC 8 Class |
| 1. |
2025 Free AMC 8 Class Problem Set 1 |
PDF,
Video,
Source (Git)
|
Enoch Yu |
11 August 2025 |
2025 Free AMC 8 Class |