Le calcul mental au-delà des nombres : conceptualisations et illustrations avec la résolution d’équations algébriques
Bibliographic record
Abstract
In this paper, I offer an illustration of what doing mental calculations (or mental mathematics) with objects other than numbers can look like. Through examples about algebraic equation solving, I illustrate how this activity made emerge numerous strategies, which can differ from paper-and-pencil work and open up a variety of understandings about what solving an algebraic equation means. The data analyses also offer ways to a better understanding of the nature of the mathematical activity in which solvers engage in this mental mathematics environment, by pointing out the importance of the “entry” into the problem and less on the search for an answer. These considerations put forth the significance of continuing to investigate mental mathematics activities with objects other than numbers for its potential for developing mathematical understandings and strategies, as well as a better understanding of the nature of the mathematical activity that the mental mathematics environment can make emerge.
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How this classification was reachedexpand
Full frame machine prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.
Distilled classifier scores by category (both heads)
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.003 | 0.019 |
| Meta-epidemiology (narrow) | 0.001 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.001 |
| Bibliometrics | 0.002 | 0.001 |
| Science and technology studies | 0.003 | 0.015 |
| Scholarly communication | 0.007 | 0.015 |
| Open science | 0.001 | 0.003 |
| Research integrity | 0.002 | 0.004 |
| Insufficient payload (model declined to judge) | 0.009 | 0.001 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from itClassification
machine, unvalidatedMachine predicted; a candidate call from one source (direct Gemma or distilled Codex), not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".