| Problem | Answer | % Correct |
|---|---|---|
| 22 + 21 = | 43 | 100%
|
| 13 + 55 = | 68 | 100%
|
| 75 + 26 = | 101 | 99%
|
| 98 + 45 = | 143 | 99%
|
| 10 + 37 = | 47 | 99%
|
| 31 + 22 = | 53 | 99%
|
| 73 + 45 = | 118 | 98%
|
| 99 + 99 = | 198 | 98%
|
| 25 + 17 = | 42 | 98%
|
| 63 + 29 = | 92 | 98%
|