The winning Delaware Play 4 numbers for October 9, 2011 were: night 4-9-1-0.
Sum is the digits added together (5+5+0 = 10). Root sum keeps adding until one digit is left (10 → 1+0 = 1) — many regular players track it in their notebooks. Odd/Even marks each digit O or E (5-5-0 = OOE). High/Low marks 0–4 as L and 5–9 as H (5-5-0 = HHL).
| Date | Draw | Numbers | Sum | Root |
|---|---|---|---|---|
| Oct 9, 2011 | Night | 4-9-1-0 | 14 | 5 |
| Oct 8, 2011 | Night | 0-4-5-0 | 9 | 9 |
| Oct 8, 2011 | Day | 8-9-2-3 | 22 | 4 |
| Oct 7, 2011 | Night | 6-2-8-2 | 18 | 9 |
| Oct 7, 2011 | Day | 5-9-4-2 | 20 | 2 |
| Oct 6, 2011 | Night | 8-4-7-5 | 24 | 6 |
| Oct 6, 2011 | Day | 8-3-0-0 | 11 | 2 |
| Oct 5, 2011 | Night | 9-2-3-5 | 19 | 1 |
| Oct 5, 2011 | Day | 6-0-6-1 | 13 | 4 |
| Oct 4, 2011 | Night | 8-3-7-9 | 27 | 9 |
| Oct 4, 2011 | Day | 0-8-4-3 | 15 | 6 |
| Oct 3, 2011 | Night | 5-1-9-7 | 22 | 4 |
| Oct 3, 2011 | Day | 4-2-1-9 | 16 | 7 |