The winning Connecticut Play3 numbers for March 10, 2021 were: day 9-1-3; night 4-2-8.
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 10, 2021 | Night | 4-2-8 | 14 | 5 |
| Mar 10, 2021 | Day | 9-1-3 | 13 | 4 |
| Mar 9, 2021 | Night | 1-7-7 | 15 | 6 |
| Mar 9, 2021 | Day | 6-8-5 | 19 | 1 |
| Mar 8, 2021 | Night | 6-1-9 | 16 | 7 |
| Mar 8, 2021 | Day | 3-8-3 | 14 | 5 |
| Mar 7, 2021 | Night | 0-2-0 | 2 | 2 |
| Mar 7, 2021 | Day | 1-2-9 | 12 | 3 |
| Mar 6, 2021 | Night | 9-1-5 | 15 | 6 |
| Mar 6, 2021 | Day | 4-0-7 | 11 | 2 |
| Mar 5, 2021 | Night | 0-9-1 | 10 | 1 |
| Mar 5, 2021 | Day | 4-0-3 | 7 | 7 |
| Mar 4, 2021 | Night | 1-2-8 | 11 | 2 |
| Mar 4, 2021 | Day | 0-9-1 | 10 | 1 |