The winning Delaware Play 3 numbers for March 7, 1999 were: night 8-4-2.
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, 1999 | Night | 8-4-2 | 14 | 5 |
| Mar 6, 1999 | Night | 6-1-4 | 11 | 2 |
| Mar 6, 1999 | Day | 7-5-8 | 20 | 2 |
| Mar 5, 1999 | Night | 7-1-5 | 13 | 4 |
| Mar 5, 1999 | Day | 8-4-3 | 15 | 6 |
| Mar 4, 1999 | Night | 8-7-0 | 15 | 6 |
| Mar 4, 1999 | Day | 8-1-2 | 11 | 2 |
| Mar 3, 1999 | Night | 2-7-6 | 15 | 6 |
| Mar 3, 1999 | Day | 2-6-2 | 10 | 1 |
| Mar 2, 1999 | Night | 2-9-2 | 13 | 4 |
| Mar 2, 1999 | Day | 8-5-3 | 16 | 7 |
| Mar 1, 1999 | Night | 0-8-0 | 8 | 8 |
| Mar 1, 1999 | Day | 4-0-4 | 8 | 8 |