The winning Delaware Play 4 numbers for March 18, 1998 were: day 7-5-9-9; night 6-0-1-1.
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 |
|---|---|---|---|---|
| Mar 18, 1998 | Night | 6-0-1-1 | 8 | 8 |
| Mar 18, 1998 | Day | 7-5-9-9 | 30 | 3 |
| Mar 17, 1998 | Night | 3-2-2-7 | 14 | 5 |
| Mar 17, 1998 | Day | 4-9-5-2 | 20 | 2 |
| Mar 16, 1998 | Night | 3-7-6-3 | 19 | 1 |
| Mar 16, 1998 | Day | 9-3-3-6 | 21 | 3 |
| Mar 15, 1998 | Night | 4-1-6-4 | 15 | 6 |
| Mar 14, 1998 | Night | 6-6-2-5 | 19 | 1 |
| Mar 14, 1998 | Day | 5-3-9-7 | 24 | 6 |
| Mar 13, 1998 | Night | 8-1-5-2 | 16 | 7 |
| Mar 13, 1998 | Day | 5-2-9-3 | 19 | 1 |
| Mar 12, 1998 | Night | 5-8-6-5 | 24 | 6 |
| Mar 12, 1998 | Day | 8-9-2-4 | 23 | 5 |