The winning Delaware Play 3 numbers for September 18, 1981 were: night 8-5-7.
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 18, 1981 | Night | 8-5-7 | 20 | 2 |
| Sep 17, 1981 | Night | 6-1-9 | 16 | 7 |
| Sep 16, 1981 | Night | 3-7-8 | 18 | 9 |
| Sep 15, 1981 | Night | 1-0-0 | 1 | 1 |
| Sep 14, 1981 | Night | 8-0-9 | 17 | 8 |
| Sep 12, 1981 | Night | 9-0-1 | 10 | 1 |