The winning Delaware Play 4 numbers for February 18, 2011 were: day 1-6-1-7; night 9-7-1-3.
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 |
|---|---|---|---|---|
| Feb 18, 2011 | Night | 9-7-1-3 | 20 | 2 |
| Feb 18, 2011 | Day | 1-6-1-7 | 15 | 6 |
| Feb 17, 2011 | Night | 9-7-0-5 | 21 | 3 |
| Feb 17, 2011 | Day | 2-3-6-6 | 17 | 8 |
| Feb 16, 2011 | Night | 7-6-1-1 | 15 | 6 |
| Feb 16, 2011 | Day | 3-0-3-6 | 12 | 3 |
| Feb 15, 2011 | Night | 2-6-0-9 | 17 | 8 |
| Feb 15, 2011 | Day | 0-0-1-0 | 1 | 1 |
| Feb 14, 2011 | Night | 5-0-8-8 | 21 | 3 |
| Feb 14, 2011 | Day | 9-5-4-1 | 19 | 1 |
| Feb 13, 2011 | Night | 4-2-2-7 | 15 | 6 |
| Feb 12, 2011 | Night | 1-1-3-5 | 10 | 1 |
| Feb 12, 2011 | Day | 3-5-2-4 | 14 | 5 |