The winning Delaware Play 3 numbers for September 16, 1988 were: night 3-6-7.
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 16, 1988 | Night | 3-6-7 | 16 | 7 |
| Sep 15, 1988 | Night | 2-3-4 | 9 | 9 |
| Sep 14, 1988 | Night | 5-3-1 | 9 | 9 |
| Sep 13, 1988 | Night | 6-4-1 | 11 | 2 |
| Sep 12, 1988 | Night | 0-7-8 | 15 | 6 |
| Sep 10, 1988 | Night | 4-7-4 | 15 | 6 |