The winning Texas Daily 4 numbers for March 15, 2010 were: day 5-4-5-1; night 2-7-4-7.
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).
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 15, 2010 | Night | 2-7-4-7 | 20 | 2 |
| Mar 15, 2010 | Day | 5-4-5-1 | 15 | 6 |
| Mar 13, 2010 | Night | 2-6-5-0 | 13 | 4 |
| Mar 13, 2010 | Day | 6-5-5-5 | 21 | 3 |
| Mar 12, 2010 | Night | 2-0-1-7 | 10 | 1 |
| Mar 12, 2010 | Day | 3-5-0-1 | 9 | 9 |
| Mar 11, 2010 | Night | 8-8-1-8 | 25 | 7 |
| Mar 11, 2010 | Day | 1-3-0-4 | 8 | 8 |
| Mar 10, 2010 | Night | 6-2-2-6 | 16 | 7 |
| Mar 10, 2010 | Day | 8-8-1-9 | 26 | 8 |
| Mar 9, 2010 | Night | 7-8-8-7 | 30 | 3 |
| Mar 9, 2010 | Day | 4-0-7-2 | 13 | 4 |