The winning Delaware Play 4 numbers for April 9, 1999 were: day 8-0-1-6; night 7-8-0-5.
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 |
|---|---|---|---|---|
| Apr 9, 1999 | Night | 7-8-0-5 | 20 | 2 |
| Apr 9, 1999 | Day | 8-0-1-6 | 15 | 6 |
| Apr 8, 1999 | Night | 5-3-9-4 | 21 | 3 |
| Apr 8, 1999 | Day | 6-3-3-7 | 19 | 1 |
| Apr 7, 1999 | Night | 1-3-7-5 | 16 | 7 |
| Apr 7, 1999 | Day | 9-8-5-7 | 29 | 2 |
| Apr 6, 1999 | Night | 8-7-7-4 | 26 | 8 |
| Apr 6, 1999 | Day | 8-9-4-7 | 28 | 1 |
| Apr 5, 1999 | Night | 8-3-6-0 | 17 | 8 |
| Apr 5, 1999 | Day | 6-2-7-8 | 23 | 5 |
| Apr 4, 1999 | Night | 4-6-7-1 | 18 | 9 |
| Apr 3, 1999 | Night | 6-6-5-3 | 20 | 2 |
| Apr 3, 1999 | Day | 3-8-8-0 | 19 | 1 |