Evidence for Use of Mathematical Inversion By Three-Year-Old Children

@inproceedings{Sherman2007EvidenceFU,
  title={Evidence for Use of Mathematical Inversion By Three-Year-Old Children},
  author={Jody Sherman and Jeffrey Bisanz},
  year={2007}
}
The principle of inversion—that a + b − b must equal a—requires a sensitivity to the relation between addition and subtraction that is critical for understanding arithmetic. Use of inversion, albeit inconsistent, has been observed in school-age children, but when use of a computational shortcut based on inversion emerges and how awareness of the inversion principle relates to other mathematical or numerical skills remain unclear. Two possibilities were explored in 3-year-olds by adapting a… CONTINUE READING

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