| Problem | Answer | % Correct |
|---|---|---|
| 16 - 6 = | 10 | 100%
|
| 19 - 7 = | 12 | 100%
|
| 25 - 11 = | 14 | 100%
|
| 28 - 12 = | 16 | 100%
|
| 23 - 4 = | 19 | 100%
|
| 30 - 7 = | 23 | 100%
|
| 29 - 3 = | 26 | 100%
|
| 14 - 8 = | 6 | 100%
|
| 29 - 22 = | 7 | 100%
|
| 29 - 20 = | 9 | 100%
|