The winning Delaware Play 4 numbers for August 21, 2015 were: day 3-1-7-6; night 2-7-5-3.
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 |
|---|---|---|---|---|
| Aug 21, 2015 | Night | 2-7-5-3 | 17 | 8 |
| Aug 21, 2015 | Day | 3-1-7-6 | 17 | 8 |
| Aug 20, 2015 | Night | 3-8-5-8 | 24 | 6 |
| Aug 20, 2015 | Day | 7-3-9-6 | 25 | 7 |
| Aug 19, 2015 | Night | 4-0-4-8 | 16 | 7 |
| Aug 19, 2015 | Day | 8-3-5-3 | 19 | 1 |
| Aug 18, 2015 | Night | 7-7-9-3 | 26 | 8 |
| Aug 18, 2015 | Day | 2-6-5-3 | 16 | 7 |
| Aug 17, 2015 | Night | 0-1-1-1 | 3 | 3 |
| Aug 17, 2015 | Day | 1-6-9-5 | 21 | 3 |
| Aug 16, 2015 | Night | 0-7-9-4 | 20 | 2 |
| Aug 15, 2015 | Night | 5-0-5-3 | 13 | 4 |
| Aug 15, 2015 | Day | 7-7-2-6 | 22 | 4 |