The winning Delaware Play 3 numbers for September 12, 1981 were: night 9-0-1.
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 |
|---|---|---|---|---|
| Sep 12, 1981 | Night | 9-0-1 | 10 | 1 |
| Sep 11, 1981 | Night | 7-2-1 | 10 | 1 |
| Sep 10, 1981 | Night | 3-2-1 | 6 | 6 |
| Sep 9, 1981 | Night | 2-9-1 | 12 | 3 |
| Sep 8, 1981 | Night | 2-3-7 | 12 | 3 |
| Sep 7, 1981 | Night | 7-2-3 | 12 | 3 |