Subtraction Tables: 1
Each row subtracts numbers 1 through 12 from 1. Subtraction is the inverse of addition and appears in change-making, scores, and measurements.
| Subtrahend | Difference |
|---|---|
| 1 − 1 | 0 |
| 1 − 2 | -1 |
| 1 − 3 | -2 |
| 1 − 4 | -3 |
| 1 − 5 | -4 |
| 1 − 6 | -5 |
| 1 − 7 | -6 |
| 1 − 8 | -7 |
| 1 − 9 | -8 |
| 1 − 10 | -9 |
| 1 − 11 | -10 |
| 1 − 12 | -11 |