Zobrazeno 1 - 1
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pro vyhledávání: '"Lien Mathys"'
Publikováno v:
Implementation and Replication Studies in Mathematics Education. 1:111-138
The current study examined upper elementary school children’s frequent, efficient and adaptive use of direct subtraction (DS) and subtraction by addition (SBA) when mentally solving multi-digit subtractions, replicating and expanding previous resea