The winning Texas Daily 4 numbers for September 21, 2010 were: day 2-9-1-1; night 3-2-9-4.
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 |
|---|---|---|---|---|
| Sep 21, 2010 | Night | 3-2-9-4 | 18 | 9 |
| Sep 21, 2010 | Day | 2-9-1-1 | 13 | 4 |
| Sep 20, 2010 | Night | 1-4-3-0 | 8 | 8 |
| Sep 20, 2010 | Day | 1-6-1-6 | 14 | 5 |
| Sep 18, 2010 | Night | 6-2-6-7 | 21 | 3 |
| Sep 18, 2010 | Day | 5-8-2-6 | 21 | 3 |
| Sep 17, 2010 | Night | 7-4-0-4 | 15 | 6 |
| Sep 17, 2010 | Day | 5-2-9-0 | 16 | 7 |
| Sep 16, 2010 | Night | 8-0-8-4 | 20 | 2 |
| Sep 16, 2010 | Day | 7-4-6-0 | 17 | 8 |
| Sep 15, 2010 | Night | 3-9-8-7 | 27 | 9 |
| Sep 15, 2010 | Day | 1-6-5-4 | 16 | 7 |