The winning Michigan Daily 3 numbers for March 21, 1990 were: evening 6-9-8.
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 |
|---|---|---|---|---|
| Mar 21, 1990 | Evening | 6-9-8 | 23 | 5 |
| Mar 20, 1990 | Evening | 0-7-6 | 13 | 4 |
| Mar 19, 1990 | Evening | 5-7-9 | 21 | 3 |
| Mar 17, 1990 | Evening | 9-8-6 | 23 | 5 |
| Mar 16, 1990 | Evening | 0-3-1 | 4 | 4 |
| Mar 15, 1990 | Evening | 8-9-0 | 17 | 8 |