The winning Delaware Play 3 numbers for March 18, 1991 were: night 4-1-0.
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 |
|---|---|---|---|---|
| Mar 18, 1991 | Night | 4-1-0 | 5 | 5 |
| Mar 17, 1991 | Night | 2-7-6 | 15 | 6 |
| Mar 16, 1991 | Night | 7-0-2 | 9 | 9 |
| Mar 15, 1991 | Night | 3-2-1 | 6 | 6 |
| Mar 14, 1991 | Night | 0-4-4 | 8 | 8 |
| Mar 13, 1991 | Night | 8-8-2 | 18 | 9 |
| Mar 12, 1991 | Night | 3-6-6 | 15 | 6 |