| 21 | 21th LS(251003) Rounding (PDF 51) | jp Park  | 2025-10-03 | 0 |
| 20 | 20th LS(250929) Expanding Brackets (PDF 36) | jp Park | 2025-09-29 | 0 |
| 19 | 19th LS(250922) Divisibility and Expression(PDF 25) | jp Park | 2025-09-22 | 0 |
| 18 | 18th LS(250919) LCM (PDF 18 #10) | jp Park | 2025-09-19 | 0 |
| 17 | 17th LS(250915) LCM (PDF 14 #14) | jp Park | 2025-09-15 | 1 |
| 16 | 16th LS(250912) Probability (PDF 166 #8) | jp Park | 2025-09-12 | 1 |
| 15 | 15th LS(250908) Ratio (PDF 157 #14) | jp Park | 2025-09-08 | 0 |
| 14 | 14th LS(250905) Line Graph (PDF 150 #1) | jp Park | 2025-09-05 | 0 |
| 13 | 13th LS(250901) Function (PDF 145) | jp Park | 2025-09-01 | 0 |
| 12 | 12th LS(250829) 10.1 Fraction, Decimal, Percentage (PDF 139) | jp Park | 2025-08-29 | 1 |
| 11 | 11th LS(250825) Sequence n th term (PDF 132) | jp Park | 2025-08-25 | 0 |
| 10 | 10th LS(250821) 3D Shape (PDF 119) | jp Park | 2025-08-21 | 0 |
| 9 | 9th LS(250819) Chord and Tangent (PDF 110 #9) | jp Park | 2025-08-19 | 0 |
| 8 | 8th LS(250811) Dividing Fraction (PDF 99 #6) | jp Park | 2025-08-11 | 6 |
| 7 | 7th LS(250807) Multiplying Fraction (PDF 90 #5) | jp Park | 2025-08-07 | 4 |
| 6 | 6th LS(250804) Collecting Data (PDF 78) | jp Park | 2025-08-04 | 4 |
| 5 | 5th LS(250731) 5.2 Intersecting Lines (PDF 71) | jp Park | 2025-07-31 | 3 |
| 4 | 4th LS(250728) Decimal Dividing (PDF 61) | jp Park | 2025-07-28 | 4 |
| 3 | 3rd LS(250726) Place and Rounding (PDF 49) | jp Park | 2025-07-26 | 3 |
| 2 | 2nd LS(250724) Expression, Formula, Equation(PDF 38 #7) | jp Park | 2025-07-24 | 3 |
