The winning Delaware Play 4 numbers for February 21, 2010 were: night 4-4-5-5.
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 |
|---|---|---|---|---|
| Feb 21, 2010 | Night | 4-4-5-5 | 18 | 9 |
| Feb 20, 2010 | Night | 6-1-6-3 | 16 | 7 |
| Feb 20, 2010 | Day | 7-0-9-4 | 20 | 2 |
| Feb 19, 2010 | Night | 0-5-2-0 | 7 | 7 |
| Feb 19, 2010 | Day | 7-1-0-9 | 17 | 8 |
| Feb 18, 2010 | Night | 5-7-4-6 | 22 | 4 |
| Feb 18, 2010 | Day | 0-3-8-4 | 15 | 6 |
| Feb 17, 2010 | Night | 3-9-6-2 | 20 | 2 |
| Feb 17, 2010 | Day | 6-9-0-2 | 17 | 8 |
| Feb 16, 2010 | Night | 6-2-8-4 | 20 | 2 |
| Feb 16, 2010 | Day | 6-3-6-7 | 22 | 4 |
| Feb 15, 2010 | Night | 7-0-0-8 | 15 | 6 |
| Feb 15, 2010 | Day | 6-1-1-2 | 10 | 1 |