| Value | Category | Cases | |
|---|---|---|---|
| 0 | None | 283 |
29.1%
|
| 11 | Lack/limited understanding of basic number facts | 333 |
34.2%
|
| 12 | Confusing the basic operation signs | 61 |
6.3%
|
| 13 | Failure to recognise number symbol(s) | 4 |
0.4%
|
| 14 | Counting error | 129 |
13.3%
|
| 15 | Failure/inadequate understanding of mathematical terms | 0 |
0%
|
| 16 | Do not know mathematical formulas | 0 |
0%
|
| 21 | Errors in regrouping | 51 |
5.2%
|
| 22 | Misalignment of digits as per their place value | 30 |
3.1%
|
| 31 | Misunderstanding of place value | 23 |
2.4%
|
| 32 | Overgeneralization | 59 |
6.1%
|
| Sysmiss | 3 |