The winning Delaware Play 3 numbers for May 10, 1980 were: night 2-0-8.
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 |
|---|---|---|---|---|
| May 10, 1980 | Night | 2-0-8 | 10 | 1 |
| May 9, 1980 | Night | 0-0-4 | 4 | 4 |
| May 8, 1980 | Night | 1-3-8 | 12 | 3 |
| May 7, 1980 | Night | 7-0-2 | 9 | 9 |
| May 6, 1980 | Night | 5-4-9 | 18 | 9 |
| May 5, 1980 | Night | 9-0-2 | 11 | 2 |