| Value | Category | Cases | |
|---|---|---|---|
| 1 | Child adds numbers correctly | 567 | 
                                    
                                    38.3%
                                 | 
| 2 | Child didnt add numbers correctly | 90 | 
                                    
                                    6.1%
                                 | 
| 3 | No attempt | 102 | 
                                    
                                    6.9%
                                 | 
| Sysmiss | 720 | 
                                    
                                    48.7%
                                 |