Susan O'Connell Joh Mastering the Basic Math Facts in Addition an (Taschenbuch)
58,51 €
Information fehlt?. Produktart: Taschenbuch. Our goal is automaticityand understanding; without both, our children will never build the foundational skills needed to do more complex math. Both the Common Core State Standards and the NCTMPrinciples and Standards emphasize the importance of understanding the concepts of addition and subtraction.
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