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Download full textMånsson, Anders – Acta Didactica Napocensia, 2022
In this paper it is investigated if the mental computation strategies in the research literature are enough to satisfactorily categorize the mental computation strategy use by preservice elementary teachers (PETs) in subtraction on two-digit natural numbers. The PETs' use of mental computation strategies is measured operationally with a written…
Descriptors: Preservice Teachers, Elementary School Teachers, Mental Computation, Subtraction
