Students who got stuck on the desk-scale number line proactively returned to the body-scale number line to validate their answers, achieving perspectival mutuality¶
Claim · All claims
Evidence · 1 study · designr2·q2
Currency · newest study 2025 · checked against its sources 2026-10-20 (automated, 1 of 1 entry) · not reviewed by a person
Subclaims¶
Reading the evidence codes
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the rigour judged within that kind: what each code means.
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q2 i? Students stuck on the desk-scale number line used the body-scale number line to decide direction of movement and validate their thinking, which the authors characterize as perspectival mutuality. → Jacqueline Anton 2025
Evidence¶
Jacqueline Anton 2025¶
Jacqueline Anton, Dor Abrahamson. (2025). Walking the number line: towards an enactive understanding of integer arithmetic. Instructional Science. https://doi.org/10.1007/s11251-025-09707-w
q2 · i? · design · r2
Episode 3 case analysis from the pilot: students who returned to the walking line when stuck on the desk-scale line used it to re-enact problems and confirm answers; the authors code this as perspectival mutuality, with synergy as a possible later achievement.
"In this case, students had achieved perspectival mutuality, and were validating their thinking on the SNL by utilizing their perspective on the BNL. Eventually, students may negotiate between these two perspectives to achieve perspectival synergy."
Discussion¶
Related Claims¶
- Walking the body-scale number line disrupted students' prior misconceptions and erroneous rules, which resurfaced when they returned to the desk-scale number line — related
- Students' errors on the desk-scale number line cluster on subtracting a negative number, with fewer errors on subtracting a positive from a negative or adding a negative to a positive — related
- Returning to direct somatic experience can re-vision thinking and change perception (attributed to Reason) — a broader claim this one bears on
- After a lesson series, two sixth graders could switch flexibly between perspectives when comparing negative integers; one distinguished number-line order from context-based absolute-value reasoning about debts — related
Page metadata
| Field | Value |
|---|---|
type |
claim |
id |
returning-to-bnl-perspectival-mutuality |
title |
Students who got stuck on the desk-scale number line proactively returned to the body-scale number line to validate their answers, achieving perspectival mutuality |
description |
Students who got stuck on the desk-scale number line proactively returned to the body-scale number line to validate their answers, achieving perspectival mutuality |
status |
review |
evidence_strength |
weak |
newest_evidence |
2025 |
source_checked |
2026-10-20 |
generated |
by process:wiki-ingest on 2026-10-18 |
trust |
unverified — no one has confirmed this page's content |
sources |
1 — jacqueline-anton-2025 |
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