The winning Delaware Play 4 numbers for March 7, 1990 were: night 7-1-5-1.
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 7, 1990 | Night | 7-1-5-1 | 14 | 5 |
| Mar 6, 1990 | Night | 6-3-4-3 | 16 | 7 |
| Mar 5, 1990 | Night | 2-0-0-0 | 2 | 2 |
| Mar 3, 1990 | Night | 8-0-8-5 | 21 | 3 |
| Mar 2, 1990 | Night | 6-8-6-9 | 29 | 2 |
| Mar 1, 1990 | Night | 0-8-3-9 | 20 | 2 |