| Problem | Answer | % Correct |
|---|---|---|
| 20 + 20 = | 40 | 100%
|
| 8 + 3 = | 11 | 99%
|
| 9 + 5 = | 14 | 99%
|
| 9 + 8 = | 17 | 99%
|
| 14 + 4 = | 18 | 99%
|
| 10 + 10 = | 20 | 99%
|
| 14 + 17 = | 31 | 99%
|
| 18 + 17 = | 35 | 99%
|
| 3 + 4 = | 7 | 99%
|
| 3 + 6 = | 9 | 99%
|