The winning Connecticut Play3 numbers for December 15, 2017 were: day 7-9-5; night 4-7-3.
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 |
|---|---|---|---|---|
| Dec 15, 2017 | Night | 4-7-3 | 14 | 5 |
| Dec 15, 2017 | Day | 7-9-5 | 21 | 3 |
| Dec 14, 2017 | Night | 5-0-5 | 10 | 1 |
| Dec 14, 2017 | Day | 4-7-0 | 11 | 2 |
| Dec 13, 2017 | Night | 4-8-4 | 16 | 7 |
| Dec 13, 2017 | Day | 6-6-5 | 17 | 8 |
| Dec 12, 2017 | Night | 8-6-7 | 21 | 3 |
| Dec 12, 2017 | Day | 8-0-0 | 8 | 8 |
| Dec 11, 2017 | Night | 8-3-7 | 18 | 9 |
| Dec 11, 2017 | Day | 2-5-3 | 10 | 1 |
| Dec 10, 2017 | Night | 6-6-3 | 15 | 6 |
| Dec 10, 2017 | Day | 8-7-0 | 15 | 6 |
| Dec 9, 2017 | Night | 0-7-8 | 15 | 6 |
| Dec 9, 2017 | Day | 2-3-3 | 8 | 8 |