The winning Delaware Play 4 numbers for March 15, 2021 were: day 9-5-5-8; night 0-2-2-5.
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, 2021 | Night | 0-2-2-5 | 9 | 9 |
| Mar 15, 2021 | Day | 9-5-5-8 | 27 | 9 |
| Mar 14, 2021 | Night | 4-5-8-5 | 22 | 4 |
| Mar 13, 2021 | Night | 5-2-4-3 | 14 | 5 |
| Mar 13, 2021 | Day | 5-6-7-3 | 21 | 3 |
| Mar 12, 2021 | Night | 1-6-7-2 | 16 | 7 |
| Mar 12, 2021 | Day | 7-8-8-1 | 24 | 6 |
| Mar 11, 2021 | Night | 4-0-0-0 | 4 | 4 |
| Mar 11, 2021 | Day | 6-2-1-8 | 17 | 8 |
| Mar 10, 2021 | Night | 8-0-1-3 | 12 | 3 |
| Mar 10, 2021 | Day | 8-4-9-4 | 25 | 7 |
| Mar 9, 2021 | Night | 0-7-1-4 | 12 | 3 |
| Mar 9, 2021 | Day | 2-2-8-9 | 21 | 3 |