The winning Delaware Play 3 numbers for December 12, 2021 were: night 3-6-6.
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 12, 2021 | Night | 3-6-6 | 15 | 6 |
| Dec 11, 2021 | Night | 9-0-4 | 13 | 4 |
| Dec 11, 2021 | Day | 9-5-3 | 17 | 8 |
| Dec 10, 2021 | Night | 4-7-0 | 11 | 2 |
| Dec 10, 2021 | Day | 1-6-7 | 14 | 5 |
| Dec 9, 2021 | Night | 8-8-0 | 16 | 7 |
| Dec 9, 2021 | Day | 4-3-9 | 16 | 7 |
| Dec 8, 2021 | Night | 6-2-6 | 14 | 5 |
| Dec 8, 2021 | Day | 1-8-0 | 9 | 9 |
| Dec 7, 2021 | Night | 0-3-7 | 10 | 1 |
| Dec 7, 2021 | Day | 2-8-5 | 15 | 6 |
| Dec 6, 2021 | Night | 1-2-7 | 10 | 1 |
| Dec 6, 2021 | Day | 2-2-2 | 6 | 6 |