The winning Delaware Play 4 numbers for March 15, 2011 were: day 3-9-7-9; night 4-4-5-8.
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).
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 |
|---|---|---|---|---|
| Mar 15, 2011 | Night | 4-4-5-8 | 21 | 3 |
| Mar 15, 2011 | Day | 3-9-7-9 | 28 | 1 |
| Mar 14, 2011 | Night | 5-1-0-5 | 11 | 2 |
| Mar 14, 2011 | Day | 0-9-4-6 | 19 | 1 |
| Mar 13, 2011 | Night | 1-8-3-5 | 17 | 8 |
| Mar 12, 2011 | Night | 7-7-4-8 | 26 | 8 |
| Mar 12, 2011 | Day | 7-5-4-4 | 20 | 2 |
| Mar 11, 2011 | Night | 5-1-0-4 | 10 | 1 |
| Mar 11, 2011 | Day | 7-1-0-2 | 10 | 1 |
| Mar 10, 2011 | Night | 5-1-8-0 | 14 | 5 |
| Mar 10, 2011 | Day | 8-0-0-3 | 11 | 2 |
| Mar 9, 2011 | Night | 4-6-4-7 | 21 | 3 |
| Mar 9, 2011 | Day | 1-6-8-1 | 16 | 7 |