The winning Arkansas Cash 3 numbers for May 21, 2011 were: midday 3-7-7; evening 9-3-9.
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 |
|---|---|---|---|---|
| May 21, 2011 | Evening | 9-3-9 | 21 | 3 |
| May 21, 2011 | Midday | 3-7-7 | 17 | 8 |
| May 20, 2011 | Evening | 1-1-9 | 11 | 2 |
| May 20, 2011 | Midday | 8-0-3 | 11 | 2 |
| May 19, 2011 | Evening | 7-6-0 | 13 | 4 |
| May 19, 2011 | Midday | 3-0-1 | 4 | 4 |
| May 18, 2011 | Evening | 6-6-1 | 13 | 4 |
| May 18, 2011 | Midday | 5-9-6 | 20 | 2 |
| May 17, 2011 | Evening | 9-2-4 | 15 | 6 |
| May 17, 2011 | Midday | 1-7-3 | 11 | 2 |
| May 16, 2011 | Evening | 1-6-6 | 13 | 4 |
| May 16, 2011 | Midday | 3-5-1 | 9 | 9 |
| May 15, 2011 | Evening | 9-0-3 | 12 | 3 |