The winning Delaware Play 4 numbers for December 15, 1998 were: day 5-5-8-2; night 6-0-7-1.
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 15, 1998 | Night | 6-0-7-1 | 14 | 5 |
| Dec 15, 1998 | Day | 5-5-8-2 | 20 | 2 |
| Dec 14, 1998 | Night | 3-7-3-2 | 15 | 6 |
| Dec 14, 1998 | Day | 3-0-4-9 | 16 | 7 |
| Dec 13, 1998 | Night | 4-2-6-5 | 17 | 8 |
| Dec 12, 1998 | Night | 2-2-8-6 | 18 | 9 |
| Dec 12, 1998 | Day | 0-5-2-5 | 12 | 3 |
| Dec 11, 1998 | Night | 8-7-2-4 | 21 | 3 |
| Dec 11, 1998 | Day | 0-7-1-4 | 12 | 3 |
| Dec 10, 1998 | Night | 2-7-4-8 | 21 | 3 |
| Dec 10, 1998 | Day | 4-5-4-9 | 22 | 4 |
| Dec 9, 1998 | Night | 5-2-6-3 | 16 | 7 |
| Dec 9, 1998 | Day | 3-0-3-1 | 7 | 7 |