The winning Connecticut Play4 numbers for March 15, 2009 were: day 4-6-4-0; night 2-1-6-1.
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, 2009 | Night | 2-1-6-1 | 10 | 1 |
| Mar 15, 2009 | Day | 4-6-4-0 | 14 | 5 |
| Mar 14, 2009 | Night | 7-2-7-0 | 16 | 7 |
| Mar 14, 2009 | Day | 0-5-6-3 | 14 | 5 |
| Mar 13, 2009 | Night | 9-2-9-6 | 26 | 8 |
| Mar 13, 2009 | Day | 2-7-8-7 | 24 | 6 |
| Mar 12, 2009 | Night | 7-9-6-2 | 24 | 6 |
| Mar 12, 2009 | Day | 2-5-0-4 | 11 | 2 |
| Mar 11, 2009 | Night | 3-0-0-0 | 3 | 3 |
| Mar 11, 2009 | Day | 7-5-8-5 | 25 | 7 |
| Mar 10, 2009 | Night | 2-0-6-9 | 17 | 8 |
| Mar 10, 2009 | Day | 1-5-3-2 | 11 | 2 |
| Mar 9, 2009 | Night | 8-2-2-9 | 21 | 3 |
| Mar 9, 2009 | Day | 7-6-1-3 | 17 | 8 |