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Children's strategy use in computational estimation.

P Lemaire1, M Lecacheur, F Farioli

  • 1CREPCO-CNRS, France. lemaire@newsup.univ-mrs.fr

Canadian Journal of Experimental Psychology = Revue Canadienne De Psychologie Experimentale
|July 6, 2000
PubMed
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Ten-year-old children adapt their computational estimation strategies, like rounding and truncation, for speed and accuracy. Findings shed light on numerical cognition and strategy effectiveness in young learners.

Area of Science:

  • Cognitive Psychology
  • Developmental Psychology
  • Mathematics Education

Background:

  • Computational estimation is crucial for mathematical understanding.
  • Children's strategy selection in estimation is not fully understood.
  • Previous research indicates varied effectiveness of different estimation strategies.

Purpose of the Study:

  • To investigate the strategies ten-year-old children use for computational estimation.
  • To determine the frequency and effectiveness of these strategies.
  • To examine if children adapt their strategy choices for optimal performance.

Main Methods:

  • Children aged ten were presented with arithmetic problems requiring estimation.
  • Their strategy use was observed and categorized into four types: rounding with decomposition, rounding without decomposition, truncation, and compensation.

Related Experiment Videos

  • Strategy frequency, effectiveness, and adaptive selection were analyzed.

    • Main Results:

    • Four distinct strategies were identified: rounding with decomposition, rounding without decomposition, truncation, and compensation.
    • These strategies varied in their frequency of use and effectiveness.
    • Children demonstrated adaptive strategy selection, choosing methods that led to faster and more accurate estimations.

    Conclusions:

    • Ten-year-old children employ a range of computational estimation strategies.
    • Strategy effectiveness and frequency differ, with adaptive selection observed.
    • Findings contribute to understanding numerical cognition and strategy development in children.