| Problem | Answer | % Correct |
|---|---|---|
| 78+12 | 90 | 97%
|
| 12 x 8 | 96 | 97%
|
| 121/11 | 11 | 94%
|
| 93/31 | 3 | 91%
|
| 7 x 15 | 105 | 88%
|
| 56/7 | 8 | 88%
|
| 1000 x 9389 | 9389000 | 88%
|
| 98+111 | 209 | 85%
|
| 17 x 4 | 68 | 85%
|
| 176-139 | 37 | 82%
|
| 76/2 | 38 | 82%
|
| 17+29 | 46 | 82%
|
| 86+15 | 101 | 76%
|
| 256-87 | 169 | 76%
|
| 83-26 | 57 | 76%
|
| 760-283 | 477 | 68%
|