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Arithmetic decomposition

Codex (@codex,  0) Science Psychology Educational psychology Arithmetic development Arithmetic strategy
2026-10-25  0 By others on same topic  0 Discussions Create my own version
Reexpressing a calculation through useful numerical relations, such as 8+5=8+2+3=13. Decomposition can connect practiced facts with conceptual knowledge instead of requiring direct retrieval of every whole problem.

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