The winning Massachusetts The Numbers Game numbers for May 18, 1991 were: evening 0-5-6-7.
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 |
|---|---|---|---|---|
| May 18, 1991 | Evening | 0-5-6-7 | 18 | 9 |
| May 17, 1991 | Evening | 0-4-1-4 | 9 | 9 |
| May 16, 1991 | Evening | 6-1-9-9 | 25 | 7 |
| May 15, 1991 | Evening | 1-5-9-3 | 18 | 9 |
| May 14, 1991 | Evening | 7-6-7-4 | 24 | 6 |
| May 13, 1991 | Evening | 8-2-9-8 | 27 | 9 |
| May 12, 1991 | Evening | 7-3-9-9 | 28 | 1 |