The winning Delaware Play 3 numbers for July 15, 1997 were: day 7-8-3; night 3-3-1.
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 |
|---|---|---|---|---|
| Jul 15, 1997 | Night | 3-3-1 | 7 | 7 |
| Jul 15, 1997 | Day | 7-8-3 | 18 | 9 |
| Jul 14, 1997 | Night | 7-3-8 | 18 | 9 |
| Jul 14, 1997 | Day | 1-4-6 | 11 | 2 |
| Jul 13, 1997 | Night | 7-0-3 | 10 | 1 |
| Jul 12, 1997 | Night | 1-3-9 | 13 | 4 |
| Jul 12, 1997 | Day | 3-6-5 | 14 | 5 |
| Jul 11, 1997 | Night | 6-4-9 | 19 | 1 |
| Jul 11, 1997 | Day | 4-2-0 | 6 | 6 |
| Jul 10, 1997 | Night | 3-6-4 | 13 | 4 |
| Jul 10, 1997 | Day | 8-8-0 | 16 | 7 |
| Jul 9, 1997 | Night | 3-7-3 | 13 | 4 |
| Jul 9, 1997 | Day | 9-0-4 | 13 | 4 |