| Problem | Answer | % Correct |
|---|---|---|
| 0 + 0 = | 0 | 100%
|
| 1 + 3 = | 4 | 100%
|
| 3 + 3 = | 6 | 100%
|
| 9 + 2 = | 11 | 99%
|
| 9 + 4 = | 13 | 99%
|
| 8 + 7 = | 15 | 99%
|
| 9 + 8 = | 17 | 99%
|
| 10 + 9 = | 19 | 99%
|
| 2 + 5 = | 7 | 99%
|
| 4 + 4 = | 8 | 99%
|