The winning Delaware Play 3 numbers for April 15, 1978 were: night 8-7-8.
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 15, 1978 | Night | 8-7-8 | 23 | 5 |
| Apr 14, 1978 | Night | 3-7-7 | 17 | 8 |
| Apr 13, 1978 | Night | 2-3-0 | 5 | 5 |
| Apr 12, 1978 | Night | 5-4-6 | 15 | 6 |
| Apr 11, 1978 | Night | 8-3-6 | 17 | 8 |
| Apr 10, 1978 | Night | 6-7-2 | 15 | 6 |