A Study of Errors and Misconceptions in the Learning of Addition and Subtraction of Directed Numbers in Grade 8
Bibliographic Data
| ID | 3521119 |
|---|---|
| Authors | Judah P Makonye (0000-0001-7437-8856, University of the Witwatersrand, corresponding author), Josiah Fakude (Citrus Research International) |
| Year | 2016 |
| Volume | 6 |
| Issue | 4 |
| Publication date | 2016-10-01 |
| Open Access | Yes |
| Type | ARTICLE |
| Venue | SAGE Open (JOURNAL) |
| Journal identifiers | ISSN: 2158-2440 • E-ISSN: 2158-2440 |
| Publisher | SAGE Publications Inc (PUBLISHER) |
| DOI | 10.1177/2158244016671375 |
| OpenAlex | W2568381061 |
| Language | EN |
| Citations received | 7 |
| References cited | 13 |
The study focused on the errors and misconceptions that learners manifest in the addition and subtraction of directed numbers. Skemp's notions of relational and instrumental understanding of mathematics and Sfard's participation and acquisition metaphors of learning mathematics informed the study. Data were collected from 35 Grade 8 learners' exercise book responses to directed numbers tasks as well as through interviews. Content analysis was based on Kilpatrick et al.'s strands of mathematical proficiency. The findings were as follows: 83.3% of learners have misconceptions, 16.7% have procedural errors, 67% have strategic errors, and 28.6% have logical errors on addition and subtraction of directed numbers. The sources of the errors seemed to be lack of reference to mediating artifacts such as number lines or other real contextual situations when learning to deal with directed numbers. Learners seemed obsessed with positive numbers and addition operation frames-the first number ideas they encountered in school. They could not easily accommodate negative numbers or the subtraction operation involving negative integers. Another stumbling block seemed to be poor proficiency in English, which is the language of teaching and learning mathematics. The study recommends that building conceptual understanding on directed numbers and operations on them must be encouraged through use of multirepresentations and other contexts meaningful to learners. For that reason, we urge delayed use of calculators
Arithmetic · Mathematics education · Number line · Subtraction · Cognitive and developmental aspects of mathematical skills · Computer Science · Education and Technology Integration · Mathematics · Mathematics Education and Teaching Techniques · Psychology
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| Citations per year | 1.4 |
|---|---|
| Citation span | 2021 - 2025 (5) |
| Highly cited | No |