The winning Delaware Play 4 numbers for December 16, 2018 were: night 1-9-4-8.
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 16, 2018 | Night | 1-9-4-8 | 22 | 4 |
| Dec 15, 2018 | Night | 2-8-7-1 | 18 | 9 |
| Dec 15, 2018 | Day | 2-5-9-3 | 19 | 1 |
| Dec 14, 2018 | Night | 2-4-3-3 | 12 | 3 |
| Dec 14, 2018 | Day | 9-3-9-1 | 22 | 4 |
| Dec 13, 2018 | Night | 5-3-9-0 | 17 | 8 |
| Dec 13, 2018 | Day | 8-9-5-2 | 24 | 6 |
| Dec 12, 2018 | Night | 0-2-4-7 | 13 | 4 |
| Dec 12, 2018 | Day | 4-1-0-0 | 5 | 5 |
| Dec 11, 2018 | Night | 6-0-8-6 | 20 | 2 |
| Dec 11, 2018 | Day | 3-5-5-9 | 22 | 4 |
| Dec 10, 2018 | Night | 8-4-0-5 | 17 | 8 |
| Dec 10, 2018 | Day | 1-3-4-4 | 12 | 3 |