The winning Delaware Play 4 numbers for August 21, 2009 were: day 4-9-6-4; night 9-9-0-9.
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 |
|---|---|---|---|---|
| Aug 21, 2009 | Night | 9-9-0-9 | 27 | 9 |
| Aug 21, 2009 | Day | 4-9-6-4 | 23 | 5 |
| Aug 20, 2009 | Night | 2-8-4-8 | 22 | 4 |
| Aug 20, 2009 | Day | 3-7-0-2 | 12 | 3 |
| Aug 19, 2009 | Night | 8-0-1-3 | 12 | 3 |
| Aug 19, 2009 | Day | 1-4-5-8 | 18 | 9 |
| Aug 18, 2009 | Night | 8-9-2-0 | 19 | 1 |
| Aug 18, 2009 | Day | 2-1-8-7 | 18 | 9 |
| Aug 17, 2009 | Night | 3-0-3-5 | 11 | 2 |
| Aug 17, 2009 | Day | 4-4-1-8 | 17 | 8 |
| Aug 16, 2009 | Night | 3-0-9-2 | 14 | 5 |
| Aug 15, 2009 | Night | 2-6-3-8 | 19 | 1 |
| Aug 15, 2009 | Day | 5-9-6-3 | 23 | 5 |