The winning Delaware Play 4 numbers for April 13, 1997 were: night 4-4-1-2.
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 |
|---|---|---|---|---|
| Apr 13, 1997 | Night | 4-4-1-2 | 11 | 2 |
| Apr 12, 1997 | Night | 5-0-6-3 | 14 | 5 |
| Apr 12, 1997 | Day | 5-8-5-6 | 24 | 6 |
| Apr 11, 1997 | Night | 4-4-5-2 | 15 | 6 |
| Apr 11, 1997 | Day | 9-5-5-8 | 27 | 9 |
| Apr 10, 1997 | Night | 1-0-6-4 | 11 | 2 |
| Apr 10, 1997 | Day | 8-4-8-6 | 26 | 8 |
| Apr 9, 1997 | Night | 6-1-6-2 | 15 | 6 |
| Apr 9, 1997 | Day | 7-5-8-2 | 22 | 4 |
| Apr 8, 1997 | Night | 3-2-9-4 | 18 | 9 |
| Apr 8, 1997 | Day | 4-1-4-3 | 12 | 3 |
| Apr 7, 1997 | Night | 4-8-3-2 | 17 | 8 |
| Apr 7, 1997 | Day | 1-6-7-4 | 18 | 9 |