The winning Delaware Play 4 numbers for October 11, 1998 were: night 0-3-5-1.
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 11, 1998 | Night | 0-3-5-1 | 9 | 9 |
| Oct 10, 1998 | Night | 3-0-9-6 | 18 | 9 |
| Oct 10, 1998 | Day | 9-7-5-7 | 28 | 1 |
| Oct 9, 1998 | Night | 3-0-0-8 | 11 | 2 |
| Oct 9, 1998 | Day | 3-2-9-8 | 22 | 4 |
| Oct 8, 1998 | Night | 0-5-1-0 | 6 | 6 |
| Oct 8, 1998 | Day | 3-4-2-3 | 12 | 3 |
| Oct 7, 1998 | Night | 9-5-0-3 | 17 | 8 |
| Oct 7, 1998 | Day | 4-6-1-7 | 18 | 9 |
| Oct 6, 1998 | Night | 9-0-6-8 | 23 | 5 |
| Oct 6, 1998 | Day | 3-4-3-3 | 13 | 4 |
| Oct 5, 1998 | Night | 4-6-9-4 | 23 | 5 |
| Oct 5, 1998 | Day | 5-8-7-3 | 23 | 5 |