The winning Delaware Play 4 numbers for December 15, 2019 were: night 4-1-2-2.
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, 2019 | Night | 4-1-2-2 | 9 | 9 |
| Dec 14, 2019 | Night | 8-5-6-5 | 24 | 6 |
| Dec 14, 2019 | Day | 2-5-9-7 | 23 | 5 |
| Dec 13, 2019 | Night | 1-7-8-2 | 18 | 9 |
| Dec 13, 2019 | Day | 2-3-3-1 | 9 | 9 |
| Dec 12, 2019 | Night | 8-5-5-4 | 22 | 4 |
| Dec 12, 2019 | Day | 9-1-6-7 | 23 | 5 |
| Dec 11, 2019 | Night | 3-4-1-8 | 16 | 7 |
| Dec 11, 2019 | Day | 6-4-0-5 | 15 | 6 |
| Dec 10, 2019 | Night | 5-2-3-9 | 19 | 1 |
| Dec 10, 2019 | Day | 5-7-1-2 | 15 | 6 |
| Dec 9, 2019 | Night | 4-4-6-6 | 20 | 2 |
| Dec 9, 2019 | Day | 3-9-7-2 | 21 | 3 |