Use flash cards to practice addition.
| 4 + ____ = 6 | 4 |
| 3 + ____ = 5 | 2 |
| 1 + ____ = 2 | 1 |
| 1 + ____ = 1 | 0 |
| 4 + ____ 5 | 1 |
| ____ + 3 = 6 | 3 |
| ____ + 2 = 5 | 3 |
| ____ + 0 = 4 | 4 |
| ____ + 5 = 6 | 1 |
| 3 + ____ = 6 | 3 |
| 2 + ____ = 5 | 3 |
| 4 + ____ 6 | 2 |
| 0 + ____ = 5 | 5 |
| 4 + ____ = 5 | 1 |
| 6 + ____ = 6 | 0 |
| ____ + 4 = 5 | 1 |
| ____ + 2 = 6 | 4 |
| ____ + 3 = 5 | 2 |
| ____ + 0 = 4 | 4 |
| 5 + ____ = 6 | 1 |
