The winning Delaware Play 3 numbers for September 12, 1988 were: night 0-7-8.
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, 1988 | Night | 0-7-8 | 15 | 6 |
| Sep 10, 1988 | Night | 4-7-4 | 15 | 6 |
| Sep 9, 1988 | Night | 9-3-0 | 12 | 3 |
| Sep 8, 1988 | Night | 4-5-3 | 12 | 3 |
| Sep 7, 1988 | Night | 9-1-2 | 12 | 3 |
| Sep 6, 1988 | Night | 2-1-0 | 3 | 3 |