The winning Delaware Play 4 numbers for December 28, 1998 were: day 9-5-5-1; night 1-8-2-1.
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).
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 |
|---|---|---|---|---|
| Dec 28, 1998 | Night | 1-8-2-1 | 12 | 3 |
| Dec 28, 1998 | Day | 9-5-5-1 | 20 | 2 |
| Dec 27, 1998 | Night | 2-7-7-9 | 25 | 7 |
| Dec 26, 1998 | Night | 5-0-8-4 | 17 | 8 |
| Dec 26, 1998 | Day | 0-3-4-0 | 7 | 7 |
| Dec 24, 1998 | Night | 3-0-3-9 | 15 | 6 |
| Dec 24, 1998 | Day | 8-7-5-5 | 25 | 7 |
| Dec 23, 1998 | Night | 6-6-1-9 | 22 | 4 |
| Dec 23, 1998 | Day | 6-4-7-9 | 26 | 8 |
| Dec 22, 1998 | Night | 9-1-8-0 | 18 | 9 |
| Dec 22, 1998 | Day | 6-2-6-3 | 17 | 8 |