The winning Delaware Play 3 numbers for February 15, 1980 were: night 5-5-6.
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 |
|---|---|---|---|---|
| Feb 15, 1980 | Night | 5-5-6 | 16 | 7 |
| Feb 14, 1980 | Night | 7-8-5 | 20 | 2 |
| Feb 13, 1980 | Night | 7-6-6 | 19 | 1 |
| Feb 12, 1980 | Night | 7-5-4 | 16 | 7 |
| Feb 11, 1980 | Night | 0-5-6 | 11 | 2 |
| Feb 9, 1980 | Night | 0-6-5 | 11 | 2 |