USING ASSESSMENT FOR LEARNING TO ENHANCE NUMERACY INSTRUCTION
Numeracy Error Analysis
Kenya, 2024 - 2025
Created on
Oct 21, 2025
Last modified
Oct 21, 2025
Page views
53
- Data files
- error_analysis_baseline_endline_anonymized
Subtraction task 1 error (subt1err)
Data file: error_analysis_baseline_endline_anonymized
Overview
Valid:
972
Invalid:
4
Type:
Discrete
Decimal:
0
Width:
54
Range:
0 - 32
Format:
Numeric
Questions and instructions
Literal question
Subtraction task 1 error
Categories
| Value | Category | Cases | |
|---|---|---|---|
| 0 | None | 426 |
43.8%
|
| 11 | Lack/limited understanding of basic number facts | 299 |
30.8%
|
| 12 | Confusing the basic operation signs | 101 |
10.4%
|
| 13 | Failure to recognise number symbol(s) | 3 |
0.3%
|
| 14 | Counting error | 84 |
8.6%
|
| 15 | Failure/inadequate understanding of mathematical terms | 0 |
0%
|
| 16 | Do not know mathematical formulas | 0 |
0%
|
| 21 | Errors in regrouping | 10 |
1%
|
| 22 | Misalignment of digits as per their place value | 24 |
2.5%
|
| 31 | Misunderstanding of place value | 22 |
2.3%
|
| 32 | Overgeneralization | 3 |
0.3%
|
| Sysmiss | 4 |
Warning: these figures indicate the number of cases found in the data file. They cannot be interpreted as summary statistics of the population of interest.