| Value | Category | Cases | |
|---|---|---|---|
| 0 | None | 415 |
42.7%
|
| 11 | Lack/limited understanding of basic number facts | 291 |
29.9%
|
| 12 | Confusing the basic operation signs | 41 |
4.2%
|
| 13 | Failure to recognise number symbol(s) | 2 |
0.2%
|
| 14 | Counting error | 99 |
10.2%
|
| 15 | Failure/inadequate understanding of mathematical terms | 0 |
0%
|
| 16 | Do not know mathematical formulas | 0 |
0%
|
| 21 | Errors in regrouping | 82 |
8.4%
|
| 22 | Misalignment of digits as per their place value | 23 |
2.4%
|
| 31 | Misunderstanding of place value | 19 |
2%
|
| 32 | Overgeneralization | 0 |
0%
|
| Sysmiss | 4 |