The winning Delaware Play 3 numbers for September 11, 1979 were: night 7-8-9.
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 11, 1979 | Night | 7-8-9 | 24 | 6 |
| Sep 10, 1979 | Night | 9-0-6 | 15 | 6 |
| Sep 8, 1979 | Night | 7-3-4 | 14 | 5 |
| Sep 7, 1979 | Night | 9-4-6 | 19 | 1 |
| Sep 6, 1979 | Night | 8-9-5 | 22 | 4 |
| Sep 5, 1979 | Night | 0-2-2 | 4 | 4 |