The winning Delaware Play 4 numbers for March 21, 2015 were: day 8-5-4-2; night 0-9-2-3.
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 |
|---|---|---|---|---|
| Mar 21, 2015 | Night | 0-9-2-3 | 14 | 5 |
| Mar 21, 2015 | Day | 8-5-4-2 | 19 | 1 |
| Mar 20, 2015 | Night | 4-8-1-3 | 16 | 7 |
| Mar 20, 2015 | Day | 7-5-8-2 | 22 | 4 |
| Mar 19, 2015 | Night | 7-1-5-7 | 20 | 2 |
| Mar 19, 2015 | Day | 2-7-3-6 | 18 | 9 |
| Mar 18, 2015 | Night | 2-8-1-4 | 15 | 6 |
| Mar 18, 2015 | Day | 4-2-3-1 | 10 | 1 |
| Mar 17, 2015 | Night | 9-0-8-0 | 17 | 8 |
| Mar 17, 2015 | Day | 8-9-6-2 | 25 | 7 |
| Mar 16, 2015 | Night | 2-0-7-6 | 15 | 6 |
| Mar 16, 2015 | Day | 6-2-6-0 | 14 | 5 |
| Mar 15, 2015 | Night | 9-5-5-7 | 26 | 8 |