| Question | Answer |
| 6 + __ = 14 | |
| 7 + __ = 9 | |
| 8 + __ = 15 | |
| 7 + __ = 8 | |
| 6 + __ = 8 | |
| __ + 1 = 7 | |
| 3 + __ = 9 | |
| __ + 5 = 6 | |
| 2 + __ = 3 | |
| 1 + __ = 1 | |
| 5 + __ = 13 | |
| __ + 8 = 10 | |
| __ + 5 = 9 | |
| __ + 3 = 8 | |
| 0 + __ = 1 | |
| __ + 9 = 11 | |
| 1 + __ = 7 | |
| | Question | Answer |
| 0 + __ = 6 | |
| __ + 0 = 8 | |
| __ + 7 = 10 | |
| __ + 1 = 4 | |
| 1 + __ = 9 | |
| 9 + __ = 14 | |
| __ + 4 = 6 | |
| __ + 2 = 11 | |
| __ + 9 = 18 | |
| 4 + __ = 9 | |
| __ + 9 = 11 | |
| 0 + __ = 4 | |
| __ + 6 = 8 | |
| __ + 7 = 9 | |
| __ + 6 = 9 | |
| __ + 3 = 7 | |
| 1 + __ = 4 | |
| | Question | Answer |
| __ + 3 = 4 | |
| 7 + __ = 16 | |
| 3 + __ = 12 | |
| 5 + __ = 5 | |
| __ + 4 = 7 | |
| 4 + __ = 11 | |
| 4 + __ = 10 | |
| __ + 8 = 15 | |
| 2 + __ = 7 | |
| __ + 4 = 8 | |
| 3 + __ = 4 | |
| 0 + __ = 3 | |
| __ + 9 = 10 | |
| 3 + __ = 5 | |
| 5 + __ = 14 | |
| 3 + __ = 10 | |
|