The winning Delaware Play 4 numbers for May 7, 1999 were: day 9-5-2-4; night 7-7-7-0.
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).
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 7, 1999 | Night | 7-7-7-0 | 21 | 3 |
| May 7, 1999 | Day | 9-5-2-4 | 20 | 2 |
| May 6, 1999 | Night | 9-0-6-4 | 19 | 1 |
| May 6, 1999 | Day | 7-6-8-4 | 25 | 7 |
| May 5, 1999 | Night | 2-7-3-9 | 21 | 3 |
| May 5, 1999 | Day | 8-7-8-6 | 29 | 2 |
| May 4, 1999 | Night | 5-6-6-4 | 21 | 3 |
| May 4, 1999 | Day | 5-0-9-0 | 14 | 5 |
| May 3, 1999 | Night | 8-3-2-6 | 19 | 1 |
| May 3, 1999 | Day | 1-8-8-8 | 25 | 7 |
| May 2, 1999 | Night | 0-1-9-2 | 12 | 3 |
| May 1, 1999 | Night | 0-6-2-9 | 17 | 8 |
| May 1, 1999 | Day | 5-1-1-2 | 9 | 9 |