The winning Connecticut Play3 numbers for March 21, 2015 were: day 2-9-6; night 6-7-8.
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 21, 2015 | Night | 6-7-8 | 21 | 3 |
| Mar 21, 2015 | Day | 2-9-6 | 17 | 8 |
| Mar 20, 2015 | Night | 4-4-2 | 10 | 1 |
| Mar 20, 2015 | Day | 9-2-9 | 20 | 2 |
| Mar 19, 2015 | Night | 8-1-6 | 15 | 6 |
| Mar 19, 2015 | Day | 8-7-8 | 23 | 5 |
| Mar 18, 2015 | Night | 6-0-1 | 7 | 7 |
| Mar 18, 2015 | Day | 5-0-5 | 10 | 1 |
| Mar 17, 2015 | Night | 0-8-2 | 10 | 1 |
| Mar 17, 2015 | Day | 6-4-6 | 16 | 7 |
| Mar 16, 2015 | Night | 7-8-8 | 23 | 5 |
| Mar 16, 2015 | Day | 4-9-0 | 13 | 4 |
| Mar 15, 2015 | Night | 7-9-1 | 17 | 8 |
| Mar 15, 2015 | Day | 4-7-6 | 17 | 8 |